Коррекция орбиты некоторых периодических комет от 9 сентября ..
Добавлено: 23 сен 2025 07:07Коррекция орбиты некоторых периодических комет от 9 сентября 2025 года, MPEC 2025-R69
Orbital elements:
2P/Encke
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 10.23977 TT Pike
q 0.3388872 (2000.0) P Q
n 0.29836571 Peri. 187.27949 -0.94610536 -0.31217820
a 2.2180438 Node 334.01695 +0.30616946 -0.77541154
e 0.8472135 Incl. 11.34655 +0.10556941 -0.54889135
P 3.30
From 3360 observations 2009 Aug. 15-2025 Aug. 30, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
3I/ATLAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 29.48368 TT Pike
q 1.3563106 (2000.0) P Q
z -3.7886272 Peri. 128.01332 -0.96792502 -0.24574341
+/-0.0024127 Node 322.15793 -0.24882774 +0.90891244
e 6.1385551 Incl. 175.11313 -0.03472618 +0.33688033
From 3750 observations 2025 May 8-Sept. 8, mean residual 0".4.
14P/Wolf
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 19.04293 TT Pike
q 2.7384236 (2000.0) P Q
n 0.11225429 Peri. 159.20428 +0.98428398 +0.01948116
a 4.2559915 Node 202.01641 -0.01143211 +0.99884098
e 0.3565721 Incl. 27.91750 +0.17622243 -0.04401337
P 8.78
From 396 observations 1992 July 27-2025 Aug. 27, mean residual 0".4.
24P/Schaumasse
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.34244 TT Pike
q 1.1839366 (2000.0) P Q
n 0.12054368 Peri. 58.48249 -0.71166788 -0.67484043
a 4.0585705 Node 78.27249 +0.55777504 -0.71174412
e 0.7082873 Incl. 11.50210 +0.42710166 -0.19496332
P 8.18
From 847 observations 2000 Oct. 7-2025 Sept. 3, mean residual 0".8.
Nongravitational parameters A1 = +0.08, A2 = -0.0194.
29P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2019 Apr. 28.46251 TT Pike
q 5.7969320 (2000.0) P Q
n 0.06610589 Peri. 51.92200 +0.98942258 -0.08145115
a 6.0577210 Node 312.40186 +0.01179597 +0.86991735
e 0.0430507 Incl. 9.35523 +0.14458150 +0.48642524
P 14.9
From 16725 observations 2020 Jan. 1-2025 June 25, mean residual 0".6.
Nongravitational parameters A1 = -1.57, A2 = +2.4552.
47P/Ashbrook-Jackson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 28.00478 TT Pike
q 2.8074575 (2000.0) P Q
n 0.11800658 Peri. 357.91816 +0.99593399 +0.08924558
a 4.1165358 Node 356.88097 -0.07904922 +0.80041038
e 0.3180049 Incl. 13.03943 -0.04320532 +0.59277183
P 8.35
From 1760 observations 2012 Feb. 15-2025 Sept. 5, mean residual 0".7.
Nongravitational parameters A1 = -0.08, A2 = -0.0105.
48P/Johnson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 2.66525 TT Pike
q 2.0067932 (2000.0) P Q
n 0.15056924 Peri. 216.78879 +0.82455744 +0.52980323
a 3.4992788 Node 110.06366 -0.45558659 +0.82981052
e 0.4265123 Incl. 12.20178 -0.33547858 +0.17527989
P 6.55
From 1196 observations 2018 Feb. 16-2025 Sept. 9, mean residual 0".6.
Nongravitational parameters A1 = +0.38, A2 = +0.0495.
57P/du Toit-Neujmin-Delporte
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Mar. 4.17244 TT Pike
q 1.7140597 (2000.0) P Q
n 0.15446766 Peri. 115.08429 +0.55605978 +0.83110808
a 3.4401524 Node 188.71118 -0.77937538 +0.51825208
e 0.5017489 Incl. 2.85449 -0.28874130 +0.20167832
P 6.38
From 1150 observations 2015 Feb. 18-2023 Feb. 9, mean residual 0".9.
65P/Gunn
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 16.36390 TT Pike
q 2.9261767 (2000.0) P Q
n 0.12838160 Peri. 213.65298 +0.09176766 +0.98578295
a 3.8916538 Node 61.97254 -0.87485862 +0.14732472
e 0.2480892 Incl. 9.17499 -0.47560603 -0.08079231
P 7.68
From 3193 observations 2013 Jan. 1-2025 Sept. 8, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0220.
74P/Smirnova-Chernykh
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 5.64778 TT Pike
q 4.8358792 (2000.0) P Q
n 0.08523327 Peri. 59.70292 -0.36159151 -0.92870030
a 5.1136378 Node 51.72456 +0.81537504 -0.35778429
e 0.0543172 Incl. 6.01501 +0.45212291 -0.09749952
P 11.6
From 1865 observations 2018 Jan. 1-2025 Mar. 22, mean residual 0".5.
Nongravitational parameters A1 = -1.96, A2 = -0.4553.
78P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 25.07331 TT Pike
q 2.0045839 (2000.0) P Q
n 0.13666023 Peri. 192.78049 +0.72870945 -0.68258554
a 3.7328565 Node 210.49712 +0.63751403 +0.70565175
e 0.4629893 Incl. 6.25722 +0.25011677 +0.19008576
P 7.21
From 2625 observations 2018 May 15-2025 Sept. 9, mean residual 0".6.
Nongravitational parameters A1 = -0.83, A2 = -0.1705.
88P/Howell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 18.77840 TT Pike
q 1.3577710 (2000.0) P Q
n 0.17980413 Peri. 235.87155 +0.38132258 +0.92223524
a 3.1088727 Node 56.66944 -0.82101348 +0.36958988
e 0.5632594 Incl. 4.38197 -0.42488818 +0.11351420
P 5.48
From 2798 observations 2015 July 7-2025 June 24, mean residual 0".8.
Nongravitational parameters A1 = +0.66, A2 = +0.0111.
93P/Lovas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 May 2.93861 TT Pike
q 1.6884374 (2000.0) P Q
n 0.10778603 Peri. 75.03845 +0.57181961 -0.81704421
a 4.3728146 Node 339.54926 +0.64768426 +0.50489959
e 0.6138786 Incl. 12.21039 +0.50351508 +0.27841545
P 9.14
From 3470 observations 1980 Dec. 5-2025 Aug. 29, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.
94P/Russell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 May 21.35526 TT Pike
q 2.2246177 (2000.0) P Q
n 0.14989785 Peri. 92.37722 -0.95192006 -0.28893433
a 3.5097199 Node 70.84227 +0.22029546 -0.87656263
e 0.3661552 Incl. 6.18726 +0.21288051 -0.38490896
P 6.58
From 2199 observations 1984 Mar. 2-2025 Aug. 16, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0014.
105P/Singer Brewster
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 22.71664 TT Pike
q 2.0518490 (2000.0) P Q
n 0.15229792 Peri. 46.31837 -0.52139822 +0.85262860
a 3.4727491 Node 192.38852 -0.82156239 -0.51241992
e 0.4091571 Incl. 9.16771 -0.23060601 -0.10222671
P 6.47
From 579 observations 2018 Jan. 1-2025 Aug. 29, mean residual 0".6.
Nongravitational parameters A1 = -0.55, A2 = +0.5791.
123P/West-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 22.09812 TT Pike
q 2.1580283 (2000.0) P Q
n 0.12867518 Peri. 103.92964 -0.83970766 -0.50898716
a 3.8857321 Node 45.88012 +0.33765292 -0.76234880
e 0.4446276 Incl. 15.28672 +0.42530171 -0.39969535
P 7.66
From 3146 observations 2010 Sept. 12-2025 Sept. 5, mean residual 0".7.
Nongravitational parameters A1 = -0.68, A2 = +0.0170.
128P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 16.92692 TT Pike
q 3.0369631 (2000.0) P Q
n 0.10389890 Peri. 210.53890 +0.42588827 -0.90375524
a 4.4812112 Node 214.30695 +0.84476069 +0.41419527
e 0.3222897 Incl. 4.37146 +0.32403480 +0.10802197
P 9.49
From 954 observations 1987 Sept. 24-2025 Sept. 3, mean residual 0".9.
131P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 15.69402 TT Pike
q 2.4078079 (2000.0) P Q
n 0.13995750 Peri. 179.26544 +0.83480535 -0.54582980
a 3.6739953 Node 214.13281 +0.50445963 +0.81068045
e 0.3446350 Incl. 7.36219 +0.22050056 +0.21181841
P 7.04
From 808 observations 1990 Sept. 15-2025 Sept. 3, mean residual 0".8.
Nongravitational parameters A1 = +0.73, A2 = -0.0431.
136P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 3.82667 TT Pike
q 2.9592472 (2000.0) P Q
n 0.11500379 Peri. 225.41090 +0.99227808 -0.05564881
a 4.1878837 Node 137.41104 +0.08507374 +0.95570525
e 0.2933788 Incl. 9.42749 -0.09025888 +0.28901674
P 8.57
From 420 observations 2016 Aug. 5-2025 Aug. 23, mean residual 0".6.
Nongravitational parameters A1 = -3.10, A2 = +0.4449.
138P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 24.31820 TT Pike
q 1.6942955 (2000.0) P Q
n 0.14332857 Peri. 95.75325 +0.69550576 -0.70556283
a 3.6161592 Node 309.21914 +0.57010864 +0.65696287
e 0.5314655 Incl. 10.09841 +0.43731897 +0.26567061
P 6.88
From 122 observations 1991 Nov. 13-2025 Aug. 28, mean residual 0".6.
Nongravitational parameters A1 = +0.08, A2 = -0.0109.
145P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 31.93491 TT Pike
q 1.8897208 (2000.0) P Q
n 0.11745766 Peri. 10.41914 +0.79825065 -0.59585070
a 4.1293513 Node 26.76684 +0.53760019 +0.63886764
e 0.5423686 Incl. 11.27822 +0.27162829 +0.48663137
P 8.39
From 959 observations 1991 Sept. 12-2025 Sept. 4, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = -0.0163.
188P/LINEAR-Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 13.31657 TT Pike
q 2.5460865 (2000.0) P Q
n 0.10811899 Peri. 26.84740 +0.90049215 -0.43485841
a 4.3638325 Node 358.91073 +0.35892560 +0.74771403
e 0.4165481 Incl. 10.52568 +0.24553270 +0.50181858
P 9.12
From 563 observations 2016 Apr. 14-2025 Aug. 29, mean residual 0".7.
210P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Nov. 22.72732 TT Pike
q 0.5244175 (2000.0) P Q
n 0.17540847 Peri. 345.95000 +0.17410897 -0.96846973
a 3.1605962 Node 93.79654 +0.91983821 +0.09535035
e 0.8340764 Incl. 10.28730 +0.35154478 +0.23016234
P 5.62
From 578 observations 2008 Dec. 8-2025 Sept. 2, mean residual 0".7.
Nongravitational parameters A1 = -0.04, A2 = +0.0044.
217P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 24.96355 TT Pike
q 1.2263052 (2000.0) P Q
n 0.12570632 Peri. 247.04395 +0.95777298 -0.22292764
a 3.9466745 Node 125.36815 +0.26649021 +0.92538470
e 0.6892814 Incl. 12.86675 -0.10795315 +0.30653943
P 7.84
From 3356 observations 2001 June 21-2025 Sept. 5, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = +0.0031.
240P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.94353 TT Pike
q 2.1216756 (2000.0) P Q
n 0.12987681 Peri. 352.07612 +0.37985420 -0.84085964
a 3.8617275 Node 74.91162 +0.86910753 +0.18165814
e 0.4505890 Incl. 23.53687 +0.31680104 +0.50985820
P 7.59
From 411 observations 2020 Mar. 23-2025 Sept. 9, mean residual 0".7.
Nongravitational parameters A1 = -2.05, A2 = +0.9211.
243P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 25.58995 TT Pike
q 2.4479945 (2000.0) P Q
n 0.13170522 Peri. 283.78660 +0.97177646 -0.19490122
a 3.8259039 Node 87.57599 +0.23248459 +0.88680743
e 0.3601527 Incl. 7.64444 -0.04001776 +0.41902994
P 7.48
From 814 observations 2003 Aug. 1-2025 Aug. 30, mean residual 0".7.
248P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 14.94754 TT Pike
q 2.1577112 (2000.0) P Q
n 0.06727948 Peri. 209.99979 +0.53443560 -0.84363402
a 5.9870693 Node 207.79151 +0.79580309 +0.52281557
e 0.6396048 Incl. 6.35108 +0.28473853 +0.12225185
P 14.6
From 183 observations 1996 Sept. 14-2025 Sept. 4, mean residual 0".7.
261P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 27.41819 TT Pike
q 2.0142048 (2000.0) P Q
n 0.15124263 Peri. 67.36776 +0.99478406 +0.02558728
a 3.4888842 Node 291.05050 -0.06587763 +0.90022538
e 0.4226794 Incl. 6.07342 +0.07787690 +0.43467177
P 6.52
From 1121 observations 2005 July 3-2025 Sept. 1, mean residual 0".8.
Nongravitational parameters A1 = +0.20, A2 = +0.0842.
299P/Catalina-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 29.85581 TT Pike
q 3.1551299 (2000.0) P Q
n 0.10722685 Peri. 323.57917 -0.56143913 +0.80733932
a 4.3880040 Node 271.57863 -0.70984324 -0.58267124
e 0.2809647 Incl. 10.46871 -0.42533361 -0.09326008
P 9.19
From 873 observations 2005 Mar. 11-2025 Aug. 24, mean residual 0".7.
302P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 9.29309 TT Pike
q 3.2886009 (2000.0) P Q
n 0.11185756 Peri. 208.60756 +0.86658655 +0.49094545
a 4.2660489 Node 121.71706 -0.43548579 +0.83152110
e 0.2291225 Incl. 6.03569 -0.24367988 +0.25989466
P 8.81
From 626 observations 2007 Aug. 16-2025 Sept. 6, mean residual 0".6.
303P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 19.92854 TT Pike
q 2.4683024 (2000.0) P Q
n 0.08714568 Peri. 357.05798 +0.96584518 +0.25785288
a 5.0385487 Node 347.90638 -0.23517428 +0.83083575
e 0.5101164 Incl. 7.01648 -0.10879405 +0.49317729
P 11.3
From 253 observations 2003 Oct. 17-2025 Aug. 23, mean residual 0".7.
306P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 1.64714 TT Pike
q 1.2729839 (2000.0) P Q
n 0.17850235 Peri. 0.91452 +0.95236019 +0.30145597
a 3.1239693 Node 341.33884 -0.28071825 +0.80728927
e 0.5925108 Incl. 8.30170 -0.11919449 +0.50735426
P 5.52
From 367 observations 2003 July 30-2025 Sept. 5, mean residual 0".9.
313P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 2.78464 TT Pike
q 2.4215849 (2000.0) P Q
n 0.17524027 Peri. 254.99822 +0.98286302 -0.02067792
a 3.1626182 Node 105.92545 +0.08352591 +0.93578284
e 0.2343101 Incl. 10.98108 -0.16432805 +0.35197004
P 5.62
From 189 observations 2003 Sept. 22-2025 Aug. 23, mean residual 0".6.
315P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Nov. 16.46720 TT Pike
q 2.3577816 (2000.0) P Q
n 0.08990468 Peri. 65.95862 -0.66152169 -0.69419655
a 4.9349320 Node 68.62475 +0.52827263 -0.69986772
e 0.5222261 Incl. 17.73686 +0.53227538 -0.16815564
P 11.0
From 2373 observations 2004 Nov. 3-2025 Aug. 26, mean residual 0".7.
331P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 25.34808 TT Pike
q 2.8783956 (2000.0) P Q
n 0.18941774 Peri. 185.75458 +0.73818490 -0.66696230
a 3.0027714 Node 216.74179 +0.62548444 +0.73289438
e 0.0414204 Incl. 9.74104 +0.25269005 +0.13426513
P 5.20
From 185 observations 2004 Aug. 26-2025 Aug. 27, mean residual 0".8.
333P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Nov. 29.30701 TT Pike
q 1.1132261 (2000.0) P Q
n 0.11363038 Peri. 26.03293 -0.12500439 +0.73235627
a 4.2215612 Node 115.70539 +0.73004356 -0.38896016
e 0.7362999 Incl. 132.02388 +0.67187075 +0.55889559
P 8.67
From 1214 observations 2016 Jan. 1-2025 Aug. 18, mean residual 0".6.
346P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Aug. 1.30729 TT Pike
q 2.2160409 (2000.0) P Q
n 0.10440907 Peri. 336.10110 +0.16899339 -0.91383587
a 4.4666016 Node 102.45734 +0.95423454 +0.05791203
e 0.5038642 Incl. 22.21929 +0.24673403 +0.40193309
P 9.44
From 541 observations 2007 Oct. 6-2025 Aug. 27, mean residual 0".7.
351P/Wiegert-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 26.03072 TT Pike
q 3.1317238 (2000.0) P Q
n 0.10535341 Peri. 352.53723 +0.10628907 +0.97077420
a 4.4398708 Node 283.38391 -0.90047681 +0.00219595
e 0.2946363 Incl. 12.77844 -0.42171571 +0.23998463
P 9.36
From 240 observations 1998 Oct. 18-2025 Sept. 1, mean residual 0".6.
353P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 1.41108 TT Pike
q 2.2117034 (2000.0) P Q
n 0.11572461 Peri. 230.53195 +0.91093248 +0.07405865
a 4.1704754 Node 121.45714 -0.02627724 +0.99217368
e 0.4696759 Incl. 28.41006 -0.41171777 +0.10053207
P 8.52
From 126 observations 2008 May 30-2025 June 30, mean residual 0".5.
356P/WISE
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 12.42394 TT Pike
q 2.6744741 (2000.0) P Q
n 0.11653364 Peri. 226.28851 +0.88737706 -0.45772527
a 4.1511508 Node 160.74474 +0.45630930 +0.85481814
e 0.3557271 Incl. 9.63983 +0.06590733 +0.24448626
P 8.46
From 217 observations 2009 Nov. 9-2025 Aug. 28, mean residual 0".8.
398P/Boattini
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 7.94384 TT Pike
q 1.3001874 (2000.0) P Q
n 0.17852048 Peri. 320.29664 +0.03070033 -0.98791084
a 3.1237578 Node 127.40683 +0.95877892 -0.01385920
e 0.5837746 Incl. 11.02831 +0.28248979 +0.15440240
P 5.52
From 1926 observations 2009 Aug. 26-2025 Aug. 17, mean residual 1".1.
414P/STEREO
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 26.31422 TT Pike
q 0.5241586 (2000.0) P Q
n 0.21123036 Peri. 210.71014 -0.27664530 -0.87902496
a 2.7923198 Node 257.81525 +0.94250237 -0.16934861
e 0.8122856 Incl. 23.40679 +0.18750112 -0.44568618
P 4.67
From 271 observations 2016 May 11-2025 Sept. 7, mean residual 1".2.
441P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 9.30020 TT Pike
q 3.3279173 (2000.0) P Q
n 0.11737550 Peri. 178.85225 +0.79271130 +0.60901380
a 4.1312780 Node 143.58624 -0.55965183 +0.74440645
e 0.1944582 Incl. 2.57454 -0.24165808 +0.27379049
P 8.40
From 173 observations 2009 Sept. 25-2025 Aug. 30, mean residual 0".5.
445P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Aug. 15.93526 TT Pike
q 2.3682876 (2000.0) P Q
n 0.12117383 Peri. 213.11247 +0.93785361 +0.34669540
a 4.0444874 Node 126.59478 -0.31412180 +0.86678690
e 0.4144406 Incl. 1.08915 -0.14750625 +0.35844493
P 8.13
From 293 observations 1998 Nov. 22-2022 Dec. 20, mean residual 0".6.
486P/Leonard
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 3.81446 TT Pike
q 2.3089459 (2000.0) P Q
n 0.14268638 Peri. 93.93863 +0.68102419 +0.73185841
a 3.6270012 Node 219.02166 -0.68620959 +0.62627308
e 0.3634008 Incl. 2.20971 -0.25558260 +0.26863600
P 6.91
From 376 observations 2018 June 8-2025 Sept. 6, mean residual 0".7.
491P/Spacewatch-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Sept. 5.78712 TT Pike
q 3.7160003 (2000.0) P Q
n 0.08781944 Peri. 298.84524 -0.32461190 +0.93800443
a 5.0127451 Node 311.68347 -0.80117570 -0.34098725
e 0.2586896 Incl. 9.36695 -0.50273711 -0.06225262
P 11.2
From 402 observations 2013 May 4-2025 Aug. 27, mean residual 0".6.
493P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 14.09506 TT Pike
q 3.8229783 (2000.0) P Q
n 0.05128148 Peri. 83.22234 +0.10077773 -0.99487871
a 7.1751175 Node 1.08845 +0.67216676 +0.06233423
e 0.4671894 Incl. 24.10835 +0.73350917 +0.07956631
P 19.2
From 287 observations 2024 Aug. 2-2025 Sept. 6, mean residual 0".5.
496P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 10.27905 TT Pike
q 1.6211698 (2000.0) P Q
n 0.06543159 Peri. 42.25123 -0.25289991 -0.94000161
a 6.0992684 Node 63.58668 +0.80514490 -0.33572159
e 0.7342026 Incl. 14.81425 +0.53645440 +0.06072874
P 15.1
From 1633 observations 2009 Oct. 14-2025 June 28, mean residual 0".5.
499P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 4.40215 TT Pike
q 0.9310909 (2000.0) P Q
n 0.18797858 Peri. 2.56657 -0.78397809 -0.55838842
a 3.0180781 Node 139.30462 +0.56189550 -0.82403979
e 0.6914954 Incl. 24.58329 +0.26391626 +0.09571206
P 5.24
From 472 observations 2019 Nov. 1-2025 May 27, mean residual 0".8.
502P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 4.97150 TT Pike
q 4.2294604 (2000.0) P Q
n 0.04359566 Peri. 37.72732 +0.52101783 +0.83056458
a 7.9954070 Node 264.48327 -0.82331933 +0.42824178
e 0.4710137 Incl. 11.39934 -0.22513485 +0.35604980
P 22.6
From 272 observations 2002 June 11-2025 Aug. 28, mean residual 0".6.
508P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 July 11.24771 TT Pike
q 1.5392724 (2000.0) P Q
n 0.14581814 Peri. 338.87631 -0.32549221 +0.78583084
a 3.5748817 Node 268.82988 -0.77451216 -0.54059849
e 0.5694200 Incl. 31.73329 -0.54238892 +0.30037172
P 6.76
From 116 observations 2005 May 3-2025 Aug. 30, mean residual 0".7.
509P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 19.82178 TT Pike
q 3.6928866 (2000.0) P Q
n 0.05278087 Peri. 180.10072 -0.09250355 -0.98450296
a 7.0385795 Node 275.20806 +0.91365280 -0.02444209
e 0.4753364 Incl. 8.60399 +0.39583033 -0.17365630
P 18.7
From 344 observations 2006 Oct. 19-2025 Aug. 31, mean residual 0".7.
510P/Boattini
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 9.23348 TT Pike
q 4.8751600 (2000.0) P Q
n 0.05970491 Peri. 86.68701 +0.98167355 -0.12860719
a 6.4832988 Node 280.66834 +0.05888448 +0.90654164
e 0.2480433 Incl. 8.22756 +0.18124473 +0.40204781
P 16.5
From 151 observations 2009 Sept. 17-2025 Aug. 27, mean residual 0".5.
Orbital elements:
2P/Encke
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 10.23977 TT Pike
q 0.3388872 (2000.0) P Q
n 0.29836571 Peri. 187.27949 -0.94610536 -0.31217820
a 2.2180438 Node 334.01695 +0.30616946 -0.77541154
e 0.8472135 Incl. 11.34655 +0.10556941 -0.54889135
P 3.30
From 3360 observations 2009 Aug. 15-2025 Aug. 30, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
3I/ATLAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 29.48368 TT Pike
q 1.3563106 (2000.0) P Q
z -3.7886272 Peri. 128.01332 -0.96792502 -0.24574341
+/-0.0024127 Node 322.15793 -0.24882774 +0.90891244
e 6.1385551 Incl. 175.11313 -0.03472618 +0.33688033
From 3750 observations 2025 May 8-Sept. 8, mean residual 0".4.
14P/Wolf
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 19.04293 TT Pike
q 2.7384236 (2000.0) P Q
n 0.11225429 Peri. 159.20428 +0.98428398 +0.01948116
a 4.2559915 Node 202.01641 -0.01143211 +0.99884098
e 0.3565721 Incl. 27.91750 +0.17622243 -0.04401337
P 8.78
From 396 observations 1992 July 27-2025 Aug. 27, mean residual 0".4.
24P/Schaumasse
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.34244 TT Pike
q 1.1839366 (2000.0) P Q
n 0.12054368 Peri. 58.48249 -0.71166788 -0.67484043
a 4.0585705 Node 78.27249 +0.55777504 -0.71174412
e 0.7082873 Incl. 11.50210 +0.42710166 -0.19496332
P 8.18
From 847 observations 2000 Oct. 7-2025 Sept. 3, mean residual 0".8.
Nongravitational parameters A1 = +0.08, A2 = -0.0194.
29P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2019 Apr. 28.46251 TT Pike
q 5.7969320 (2000.0) P Q
n 0.06610589 Peri. 51.92200 +0.98942258 -0.08145115
a 6.0577210 Node 312.40186 +0.01179597 +0.86991735
e 0.0430507 Incl. 9.35523 +0.14458150 +0.48642524
P 14.9
From 16725 observations 2020 Jan. 1-2025 June 25, mean residual 0".6.
Nongravitational parameters A1 = -1.57, A2 = +2.4552.
47P/Ashbrook-Jackson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 28.00478 TT Pike
q 2.8074575 (2000.0) P Q
n 0.11800658 Peri. 357.91816 +0.99593399 +0.08924558
a 4.1165358 Node 356.88097 -0.07904922 +0.80041038
e 0.3180049 Incl. 13.03943 -0.04320532 +0.59277183
P 8.35
From 1760 observations 2012 Feb. 15-2025 Sept. 5, mean residual 0".7.
Nongravitational parameters A1 = -0.08, A2 = -0.0105.
48P/Johnson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 2.66525 TT Pike
q 2.0067932 (2000.0) P Q
n 0.15056924 Peri. 216.78879 +0.82455744 +0.52980323
a 3.4992788 Node 110.06366 -0.45558659 +0.82981052
e 0.4265123 Incl. 12.20178 -0.33547858 +0.17527989
P 6.55
From 1196 observations 2018 Feb. 16-2025 Sept. 9, mean residual 0".6.
Nongravitational parameters A1 = +0.38, A2 = +0.0495.
57P/du Toit-Neujmin-Delporte
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Mar. 4.17244 TT Pike
q 1.7140597 (2000.0) P Q
n 0.15446766 Peri. 115.08429 +0.55605978 +0.83110808
a 3.4401524 Node 188.71118 -0.77937538 +0.51825208
e 0.5017489 Incl. 2.85449 -0.28874130 +0.20167832
P 6.38
From 1150 observations 2015 Feb. 18-2023 Feb. 9, mean residual 0".9.
65P/Gunn
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 16.36390 TT Pike
q 2.9261767 (2000.0) P Q
n 0.12838160 Peri. 213.65298 +0.09176766 +0.98578295
a 3.8916538 Node 61.97254 -0.87485862 +0.14732472
e 0.2480892 Incl. 9.17499 -0.47560603 -0.08079231
P 7.68
From 3193 observations 2013 Jan. 1-2025 Sept. 8, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0220.
74P/Smirnova-Chernykh
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 5.64778 TT Pike
q 4.8358792 (2000.0) P Q
n 0.08523327 Peri. 59.70292 -0.36159151 -0.92870030
a 5.1136378 Node 51.72456 +0.81537504 -0.35778429
e 0.0543172 Incl. 6.01501 +0.45212291 -0.09749952
P 11.6
From 1865 observations 2018 Jan. 1-2025 Mar. 22, mean residual 0".5.
Nongravitational parameters A1 = -1.96, A2 = -0.4553.
78P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 25.07331 TT Pike
q 2.0045839 (2000.0) P Q
n 0.13666023 Peri. 192.78049 +0.72870945 -0.68258554
a 3.7328565 Node 210.49712 +0.63751403 +0.70565175
e 0.4629893 Incl. 6.25722 +0.25011677 +0.19008576
P 7.21
From 2625 observations 2018 May 15-2025 Sept. 9, mean residual 0".6.
Nongravitational parameters A1 = -0.83, A2 = -0.1705.
88P/Howell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 18.77840 TT Pike
q 1.3577710 (2000.0) P Q
n 0.17980413 Peri. 235.87155 +0.38132258 +0.92223524
a 3.1088727 Node 56.66944 -0.82101348 +0.36958988
e 0.5632594 Incl. 4.38197 -0.42488818 +0.11351420
P 5.48
From 2798 observations 2015 July 7-2025 June 24, mean residual 0".8.
Nongravitational parameters A1 = +0.66, A2 = +0.0111.
93P/Lovas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 May 2.93861 TT Pike
q 1.6884374 (2000.0) P Q
n 0.10778603 Peri. 75.03845 +0.57181961 -0.81704421
a 4.3728146 Node 339.54926 +0.64768426 +0.50489959
e 0.6138786 Incl. 12.21039 +0.50351508 +0.27841545
P 9.14
From 3470 observations 1980 Dec. 5-2025 Aug. 29, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.
94P/Russell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 May 21.35526 TT Pike
q 2.2246177 (2000.0) P Q
n 0.14989785 Peri. 92.37722 -0.95192006 -0.28893433
a 3.5097199 Node 70.84227 +0.22029546 -0.87656263
e 0.3661552 Incl. 6.18726 +0.21288051 -0.38490896
P 6.58
From 2199 observations 1984 Mar. 2-2025 Aug. 16, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0014.
105P/Singer Brewster
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 22.71664 TT Pike
q 2.0518490 (2000.0) P Q
n 0.15229792 Peri. 46.31837 -0.52139822 +0.85262860
a 3.4727491 Node 192.38852 -0.82156239 -0.51241992
e 0.4091571 Incl. 9.16771 -0.23060601 -0.10222671
P 6.47
From 579 observations 2018 Jan. 1-2025 Aug. 29, mean residual 0".6.
Nongravitational parameters A1 = -0.55, A2 = +0.5791.
123P/West-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 22.09812 TT Pike
q 2.1580283 (2000.0) P Q
n 0.12867518 Peri. 103.92964 -0.83970766 -0.50898716
a 3.8857321 Node 45.88012 +0.33765292 -0.76234880
e 0.4446276 Incl. 15.28672 +0.42530171 -0.39969535
P 7.66
From 3146 observations 2010 Sept. 12-2025 Sept. 5, mean residual 0".7.
Nongravitational parameters A1 = -0.68, A2 = +0.0170.
128P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 16.92692 TT Pike
q 3.0369631 (2000.0) P Q
n 0.10389890 Peri. 210.53890 +0.42588827 -0.90375524
a 4.4812112 Node 214.30695 +0.84476069 +0.41419527
e 0.3222897 Incl. 4.37146 +0.32403480 +0.10802197
P 9.49
From 954 observations 1987 Sept. 24-2025 Sept. 3, mean residual 0".9.
131P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 15.69402 TT Pike
q 2.4078079 (2000.0) P Q
n 0.13995750 Peri. 179.26544 +0.83480535 -0.54582980
a 3.6739953 Node 214.13281 +0.50445963 +0.81068045
e 0.3446350 Incl. 7.36219 +0.22050056 +0.21181841
P 7.04
From 808 observations 1990 Sept. 15-2025 Sept. 3, mean residual 0".8.
Nongravitational parameters A1 = +0.73, A2 = -0.0431.
136P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 3.82667 TT Pike
q 2.9592472 (2000.0) P Q
n 0.11500379 Peri. 225.41090 +0.99227808 -0.05564881
a 4.1878837 Node 137.41104 +0.08507374 +0.95570525
e 0.2933788 Incl. 9.42749 -0.09025888 +0.28901674
P 8.57
From 420 observations 2016 Aug. 5-2025 Aug. 23, mean residual 0".6.
Nongravitational parameters A1 = -3.10, A2 = +0.4449.
138P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 24.31820 TT Pike
q 1.6942955 (2000.0) P Q
n 0.14332857 Peri. 95.75325 +0.69550576 -0.70556283
a 3.6161592 Node 309.21914 +0.57010864 +0.65696287
e 0.5314655 Incl. 10.09841 +0.43731897 +0.26567061
P 6.88
From 122 observations 1991 Nov. 13-2025 Aug. 28, mean residual 0".6.
Nongravitational parameters A1 = +0.08, A2 = -0.0109.
145P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 31.93491 TT Pike
q 1.8897208 (2000.0) P Q
n 0.11745766 Peri. 10.41914 +0.79825065 -0.59585070
a 4.1293513 Node 26.76684 +0.53760019 +0.63886764
e 0.5423686 Incl. 11.27822 +0.27162829 +0.48663137
P 8.39
From 959 observations 1991 Sept. 12-2025 Sept. 4, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = -0.0163.
188P/LINEAR-Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 13.31657 TT Pike
q 2.5460865 (2000.0) P Q
n 0.10811899 Peri. 26.84740 +0.90049215 -0.43485841
a 4.3638325 Node 358.91073 +0.35892560 +0.74771403
e 0.4165481 Incl. 10.52568 +0.24553270 +0.50181858
P 9.12
From 563 observations 2016 Apr. 14-2025 Aug. 29, mean residual 0".7.
210P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Nov. 22.72732 TT Pike
q 0.5244175 (2000.0) P Q
n 0.17540847 Peri. 345.95000 +0.17410897 -0.96846973
a 3.1605962 Node 93.79654 +0.91983821 +0.09535035
e 0.8340764 Incl. 10.28730 +0.35154478 +0.23016234
P 5.62
From 578 observations 2008 Dec. 8-2025 Sept. 2, mean residual 0".7.
Nongravitational parameters A1 = -0.04, A2 = +0.0044.
217P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 24.96355 TT Pike
q 1.2263052 (2000.0) P Q
n 0.12570632 Peri. 247.04395 +0.95777298 -0.22292764
a 3.9466745 Node 125.36815 +0.26649021 +0.92538470
e 0.6892814 Incl. 12.86675 -0.10795315 +0.30653943
P 7.84
From 3356 observations 2001 June 21-2025 Sept. 5, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = +0.0031.
240P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.94353 TT Pike
q 2.1216756 (2000.0) P Q
n 0.12987681 Peri. 352.07612 +0.37985420 -0.84085964
a 3.8617275 Node 74.91162 +0.86910753 +0.18165814
e 0.4505890 Incl. 23.53687 +0.31680104 +0.50985820
P 7.59
From 411 observations 2020 Mar. 23-2025 Sept. 9, mean residual 0".7.
Nongravitational parameters A1 = -2.05, A2 = +0.9211.
243P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 25.58995 TT Pike
q 2.4479945 (2000.0) P Q
n 0.13170522 Peri. 283.78660 +0.97177646 -0.19490122
a 3.8259039 Node 87.57599 +0.23248459 +0.88680743
e 0.3601527 Incl. 7.64444 -0.04001776 +0.41902994
P 7.48
From 814 observations 2003 Aug. 1-2025 Aug. 30, mean residual 0".7.
248P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 14.94754 TT Pike
q 2.1577112 (2000.0) P Q
n 0.06727948 Peri. 209.99979 +0.53443560 -0.84363402
a 5.9870693 Node 207.79151 +0.79580309 +0.52281557
e 0.6396048 Incl. 6.35108 +0.28473853 +0.12225185
P 14.6
From 183 observations 1996 Sept. 14-2025 Sept. 4, mean residual 0".7.
261P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 27.41819 TT Pike
q 2.0142048 (2000.0) P Q
n 0.15124263 Peri. 67.36776 +0.99478406 +0.02558728
a 3.4888842 Node 291.05050 -0.06587763 +0.90022538
e 0.4226794 Incl. 6.07342 +0.07787690 +0.43467177
P 6.52
From 1121 observations 2005 July 3-2025 Sept. 1, mean residual 0".8.
Nongravitational parameters A1 = +0.20, A2 = +0.0842.
299P/Catalina-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 29.85581 TT Pike
q 3.1551299 (2000.0) P Q
n 0.10722685 Peri. 323.57917 -0.56143913 +0.80733932
a 4.3880040 Node 271.57863 -0.70984324 -0.58267124
e 0.2809647 Incl. 10.46871 -0.42533361 -0.09326008
P 9.19
From 873 observations 2005 Mar. 11-2025 Aug. 24, mean residual 0".7.
302P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 9.29309 TT Pike
q 3.2886009 (2000.0) P Q
n 0.11185756 Peri. 208.60756 +0.86658655 +0.49094545
a 4.2660489 Node 121.71706 -0.43548579 +0.83152110
e 0.2291225 Incl. 6.03569 -0.24367988 +0.25989466
P 8.81
From 626 observations 2007 Aug. 16-2025 Sept. 6, mean residual 0".6.
303P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 19.92854 TT Pike
q 2.4683024 (2000.0) P Q
n 0.08714568 Peri. 357.05798 +0.96584518 +0.25785288
a 5.0385487 Node 347.90638 -0.23517428 +0.83083575
e 0.5101164 Incl. 7.01648 -0.10879405 +0.49317729
P 11.3
From 253 observations 2003 Oct. 17-2025 Aug. 23, mean residual 0".7.
306P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 1.64714 TT Pike
q 1.2729839 (2000.0) P Q
n 0.17850235 Peri. 0.91452 +0.95236019 +0.30145597
a 3.1239693 Node 341.33884 -0.28071825 +0.80728927
e 0.5925108 Incl. 8.30170 -0.11919449 +0.50735426
P 5.52
From 367 observations 2003 July 30-2025 Sept. 5, mean residual 0".9.
313P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 2.78464 TT Pike
q 2.4215849 (2000.0) P Q
n 0.17524027 Peri. 254.99822 +0.98286302 -0.02067792
a 3.1626182 Node 105.92545 +0.08352591 +0.93578284
e 0.2343101 Incl. 10.98108 -0.16432805 +0.35197004
P 5.62
From 189 observations 2003 Sept. 22-2025 Aug. 23, mean residual 0".6.
315P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Nov. 16.46720 TT Pike
q 2.3577816 (2000.0) P Q
n 0.08990468 Peri. 65.95862 -0.66152169 -0.69419655
a 4.9349320 Node 68.62475 +0.52827263 -0.69986772
e 0.5222261 Incl. 17.73686 +0.53227538 -0.16815564
P 11.0
From 2373 observations 2004 Nov. 3-2025 Aug. 26, mean residual 0".7.
331P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 25.34808 TT Pike
q 2.8783956 (2000.0) P Q
n 0.18941774 Peri. 185.75458 +0.73818490 -0.66696230
a 3.0027714 Node 216.74179 +0.62548444 +0.73289438
e 0.0414204 Incl. 9.74104 +0.25269005 +0.13426513
P 5.20
From 185 observations 2004 Aug. 26-2025 Aug. 27, mean residual 0".8.
333P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Nov. 29.30701 TT Pike
q 1.1132261 (2000.0) P Q
n 0.11363038 Peri. 26.03293 -0.12500439 +0.73235627
a 4.2215612 Node 115.70539 +0.73004356 -0.38896016
e 0.7362999 Incl. 132.02388 +0.67187075 +0.55889559
P 8.67
From 1214 observations 2016 Jan. 1-2025 Aug. 18, mean residual 0".6.
346P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Aug. 1.30729 TT Pike
q 2.2160409 (2000.0) P Q
n 0.10440907 Peri. 336.10110 +0.16899339 -0.91383587
a 4.4666016 Node 102.45734 +0.95423454 +0.05791203
e 0.5038642 Incl. 22.21929 +0.24673403 +0.40193309
P 9.44
From 541 observations 2007 Oct. 6-2025 Aug. 27, mean residual 0".7.
351P/Wiegert-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 26.03072 TT Pike
q 3.1317238 (2000.0) P Q
n 0.10535341 Peri. 352.53723 +0.10628907 +0.97077420
a 4.4398708 Node 283.38391 -0.90047681 +0.00219595
e 0.2946363 Incl. 12.77844 -0.42171571 +0.23998463
P 9.36
From 240 observations 1998 Oct. 18-2025 Sept. 1, mean residual 0".6.
353P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 1.41108 TT Pike
q 2.2117034 (2000.0) P Q
n 0.11572461 Peri. 230.53195 +0.91093248 +0.07405865
a 4.1704754 Node 121.45714 -0.02627724 +0.99217368
e 0.4696759 Incl. 28.41006 -0.41171777 +0.10053207
P 8.52
From 126 observations 2008 May 30-2025 June 30, mean residual 0".5.
356P/WISE
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 12.42394 TT Pike
q 2.6744741 (2000.0) P Q
n 0.11653364 Peri. 226.28851 +0.88737706 -0.45772527
a 4.1511508 Node 160.74474 +0.45630930 +0.85481814
e 0.3557271 Incl. 9.63983 +0.06590733 +0.24448626
P 8.46
From 217 observations 2009 Nov. 9-2025 Aug. 28, mean residual 0".8.
398P/Boattini
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 7.94384 TT Pike
q 1.3001874 (2000.0) P Q
n 0.17852048 Peri. 320.29664 +0.03070033 -0.98791084
a 3.1237578 Node 127.40683 +0.95877892 -0.01385920
e 0.5837746 Incl. 11.02831 +0.28248979 +0.15440240
P 5.52
From 1926 observations 2009 Aug. 26-2025 Aug. 17, mean residual 1".1.
414P/STEREO
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 26.31422 TT Pike
q 0.5241586 (2000.0) P Q
n 0.21123036 Peri. 210.71014 -0.27664530 -0.87902496
a 2.7923198 Node 257.81525 +0.94250237 -0.16934861
e 0.8122856 Incl. 23.40679 +0.18750112 -0.44568618
P 4.67
From 271 observations 2016 May 11-2025 Sept. 7, mean residual 1".2.
441P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 9.30020 TT Pike
q 3.3279173 (2000.0) P Q
n 0.11737550 Peri. 178.85225 +0.79271130 +0.60901380
a 4.1312780 Node 143.58624 -0.55965183 +0.74440645
e 0.1944582 Incl. 2.57454 -0.24165808 +0.27379049
P 8.40
From 173 observations 2009 Sept. 25-2025 Aug. 30, mean residual 0".5.
445P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Aug. 15.93526 TT Pike
q 2.3682876 (2000.0) P Q
n 0.12117383 Peri. 213.11247 +0.93785361 +0.34669540
a 4.0444874 Node 126.59478 -0.31412180 +0.86678690
e 0.4144406 Incl. 1.08915 -0.14750625 +0.35844493
P 8.13
From 293 observations 1998 Nov. 22-2022 Dec. 20, mean residual 0".6.
486P/Leonard
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 3.81446 TT Pike
q 2.3089459 (2000.0) P Q
n 0.14268638 Peri. 93.93863 +0.68102419 +0.73185841
a 3.6270012 Node 219.02166 -0.68620959 +0.62627308
e 0.3634008 Incl. 2.20971 -0.25558260 +0.26863600
P 6.91
From 376 observations 2018 June 8-2025 Sept. 6, mean residual 0".7.
491P/Spacewatch-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Sept. 5.78712 TT Pike
q 3.7160003 (2000.0) P Q
n 0.08781944 Peri. 298.84524 -0.32461190 +0.93800443
a 5.0127451 Node 311.68347 -0.80117570 -0.34098725
e 0.2586896 Incl. 9.36695 -0.50273711 -0.06225262
P 11.2
From 402 observations 2013 May 4-2025 Aug. 27, mean residual 0".6.
493P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 14.09506 TT Pike
q 3.8229783 (2000.0) P Q
n 0.05128148 Peri. 83.22234 +0.10077773 -0.99487871
a 7.1751175 Node 1.08845 +0.67216676 +0.06233423
e 0.4671894 Incl. 24.10835 +0.73350917 +0.07956631
P 19.2
From 287 observations 2024 Aug. 2-2025 Sept. 6, mean residual 0".5.
496P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 10.27905 TT Pike
q 1.6211698 (2000.0) P Q
n 0.06543159 Peri. 42.25123 -0.25289991 -0.94000161
a 6.0992684 Node 63.58668 +0.80514490 -0.33572159
e 0.7342026 Incl. 14.81425 +0.53645440 +0.06072874
P 15.1
From 1633 observations 2009 Oct. 14-2025 June 28, mean residual 0".5.
499P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 4.40215 TT Pike
q 0.9310909 (2000.0) P Q
n 0.18797858 Peri. 2.56657 -0.78397809 -0.55838842
a 3.0180781 Node 139.30462 +0.56189550 -0.82403979
e 0.6914954 Incl. 24.58329 +0.26391626 +0.09571206
P 5.24
From 472 observations 2019 Nov. 1-2025 May 27, mean residual 0".8.
502P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 4.97150 TT Pike
q 4.2294604 (2000.0) P Q
n 0.04359566 Peri. 37.72732 +0.52101783 +0.83056458
a 7.9954070 Node 264.48327 -0.82331933 +0.42824178
e 0.4710137 Incl. 11.39934 -0.22513485 +0.35604980
P 22.6
From 272 observations 2002 June 11-2025 Aug. 28, mean residual 0".6.
508P/McNaught
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 July 11.24771 TT Pike
q 1.5392724 (2000.0) P Q
n 0.14581814 Peri. 338.87631 -0.32549221 +0.78583084
a 3.5748817 Node 268.82988 -0.77451216 -0.54059849
e 0.5694200 Incl. 31.73329 -0.54238892 +0.30037172
P 6.76
From 116 observations 2005 May 3-2025 Aug. 30, mean residual 0".7.
509P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 19.82178 TT Pike
q 3.6928866 (2000.0) P Q
n 0.05278087 Peri. 180.10072 -0.09250355 -0.98450296
a 7.0385795 Node 275.20806 +0.91365280 -0.02444209
e 0.4753364 Incl. 8.60399 +0.39583033 -0.17365630
P 18.7
From 344 observations 2006 Oct. 19-2025 Aug. 31, mean residual 0".7.
510P/Boattini
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 9.23348 TT Pike
q 4.8751600 (2000.0) P Q
n 0.05970491 Peri. 86.68701 +0.98167355 -0.12860719
a 6.4832988 Node 280.66834 +0.05888448 +0.90654164
e 0.2480433 Incl. 8.22756 +0.18124473 +0.40204781
P 16.5
From 151 observations 2009 Sept. 17-2025 Aug. 27, mean residual 0".5.