Коррекция орбиты некоторых периодических комет от 8 февраля ..
Добавлено: 09 фев 2025 00:09Коррекция орбиты некоторых периодических комет от 8 февраля 2025 года, MPEC 2025-C143
Orbital elements:
10P/Tempel
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Aug. 2.15782 TT Pike
q 1.4173611 (2000.0) P Q
n 0.18378924 Peri. 195.49500 +0.68058010 +0.70910808
a 3.0637688 Node 117.80102 -0.64812768 +0.70000344
e 0.5373799 Incl. 12.02742 -0.34167418 +0.08462226
P 5.36
From 4581 observations 2003 Mar. 7-2025 Jan. 29, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.
29P/Schwassmann-Wachmann
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2019 May 2.34914 TT Pike
q 5.7939933 (2000.0) P Q
n 0.06612555 Peri. 52.10151 +0.98915859 -0.08458912
a 6.0565202 Node 312.40402 +0.01455062 +0.86986922
e 0.0433462 Incl. 9.35598 +0.14612860 +0.48597554
P 14.9
From 47668 observations 1902 Mar. 4-2025 Feb. 6, mean residual 0".9.
30P/Reinmuth
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 17.22437 TT Pike
q 1.8138464 (2000.0) P Q
n 0.13653302 Peri. 9.51012 -0.59678912 -0.79267058
a 3.7351748 Node 117.23368 +0.72667238 -0.59974896
e 0.5143878 Incl. 8.05325 +0.34027930 -0.10942827
P 7.22
From 1165 observations 2011 Apr. 12-2025 Jan. 30, mean residual 0".8.
32P/Comas Sola
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Apr. 20.67942 TT Pike
q 2.0250742 (2000.0) P Q
n 0.10142206 Peri. 54.70260 -0.31949943 -0.93714123
a 4.5538748 Node 54.53205 +0.80383988 -0.34644895
e 0.5553075 Incl. 9.92016 +0.50175848 -0.04170652
P 9.72
From 3598 observations 2013 Sept. 24-2025 Feb. 6, mean residual 0".8.
Nongravitational parameters A1 = +1.35, A2 = +0.0484.
33P/Daniel
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 10.90083 TT Pike
q 2.2425034 (2000.0) P Q
n 0.11906254 Peri. 20.25967 +0.08404285 -0.93397518
a 4.0921603 Node 66.28071 +0.85400389 -0.11208034
e 0.4520001 Incl. 22.29403 +0.51343369 +0.33930571
P 8.28
From 742 observations 1999 Nov. 13-2025 Feb. 5, mean residual 0".8.
Nongravitational parameters A1 = +0.55, A2 = +0.0467.
40P/Vaisala
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Nov. 11.99412 TT Pike
q 1.8238902 (2000.0) P Q
n 0.08953839 Peri. 52.03590 -0.98725122 +0.02621663
a 4.9483818 Node 128.90228 -0.06894906 -0.95943670
e 0.6314168 Incl. 11.63859 +0.14346098 -0.28070254
P 11.0
From 1000 observations 1959 Nov. 11-2013 Dec. 30, mean residual 1".7.
Nongravitational parameters A1 = +0.22, A2 = -0.0136.
43P/Wolf-Harrington
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 4.74851 TT Pike
q 2.4429300 (2000.0) P Q
n 0.10929660 Peri. 223.81614 -0.29764769 -0.94348468
a 4.3324306 Node 243.99523 +0.91448003 -0.23793997
e 0.4361295 Incl. 9.33266 +0.27410241 -0.23069728
P 9.02
From 982 observations 2023 Sept. 11-2025 Feb. 6, mean residual 0".5.
Nongravitational parameters A1 = +3.24, A2 = +0.8470.
49P/Arend-Rigaux
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 10.61241 TT Pike
q 1.4313491 (2000.0) P Q
n 0.14612105 Peri. 332.93084 -0.05191114 -0.95676826
a 3.5699395 Node 118.79106 +0.96515463 -0.12166378
e 0.5990551 Incl. 19.05942 +0.25647958 +0.26418254
P 6.75
From 4136 observations 2004 June 24-2025 Feb. 7, mean residual 0".6.
Nongravitational parameters A1 = -0.03, A2 = -0.0006.
50P/Arend
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 May 12.64360 TT Pike
q 1.9219582 (2000.0) P Q
n 0.11929353 Peri. 49.31603 +0.71019183 -0.70346332
a 4.0868760 Node 355.14517 +0.50575996 +0.53717104
e 0.5297244 Incl. 19.10024 +0.48972893 +0.46538868
P 8.26
From 1812 observations 1999 Aug. 3-2025 Feb. 3, mean residual 0".7.
Nongravitational parameters A1 = +0.24, A2 = -0.0102.
60P/Tsuchinshan
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 July 20.61965 TT Pike
q 1.6456692 (2000.0) P Q
n 0.14857998 Peri. 216.92039 -0.56259626 -0.82437536
a 3.5304429 Node 267.39634 +0.77265040 -0.49745464
e 0.5338632 Incl. 3.57988 +0.29410340 -0.27008176
P 6.63
From 1432 observations 2005 Oct. 5-2025 Jan. 20, mean residual 0".7.
62P/Tsuchinshan
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Dec. 25.19035 TT Pike
q 1.2651220 (2000.0) P Q
n 0.15924505 Peri. 47.32940 -0.43595758 -0.89667365
a 3.3710000 Node 68.66588 +0.79966908 -0.42516742
e 0.6247042 Incl. 4.73707 +0.41288055 -0.12332487
P 6.19
From 1986 observations 2023 Aug. 29-2024 June 1, mean residual 0".5.
Nongravitational parameters A1 = +0.58, A2 = +0.4727.
74P/Smirnova-Chernykh
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Aug. 18.81484 TT Pike
q 4.8204575 (2000.0) P Q
n 0.08754946 Peri. 70.90942 -0.55653285 -0.82627622
a 5.0230450 Node 53.21513 +0.71569779 -0.52986493
e 0.0403316 Incl. 6.22380 +0.42195717 -0.19107792
P 11.3
From 1861 observations 2018 Jan. 1-2025 Jan. 23, mean residual 0".5.
Nongravitational parameters A1 = -1.96, A2 = -0.4538.
88P/Howell
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Mar. 18.79696 TT Pike
q 1.3576750 (2000.0) P Q
n 0.17984841 Peri. 235.88237 +0.38149064 +0.92216578
a 3.1083624 Node 56.66906 -0.82094616 +0.36973920
e 0.5632186 Incl. 4.38194 -0.42486739 +0.11359225
P 5.48
From 2475 observations 2015 July 7-2025 Feb. 5, mean residual 0".8.
Nongravitational parameters A1 = +0.67, A2 = +0.0121.
89P/Russell
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Mar. 26.60305 TT Pike
q 2.2222802 (2000.0) P Q
n 0.13568408 Peri. 250.41733 +0.35698841 +0.92383604
a 3.7507384 Node 41.34463 -0.75936624 +0.37314542
e 0.4075086 Incl. 12.07177 -0.54398730 +0.08537832
P 7.26
From 646 observations 1980 Aug. 9-2025 Jan. 1, mean residual 0".6.
Nongravitational parameters A1 = +0.84, A2 = -0.0351.
103P/Hartley
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Oct. 12.43880 TT Pike
q 1.0651401 (2000.0) P Q
n 0.15211325 Peri. 181.32594 +0.75418732 -0.63918778
a 3.4755592 Node 219.75588 +0.60461813 +0.76534153
e 0.6935342 Incl. 13.60829 +0.25619992 +0.07544090
P 6.48
From 8854 observations 2004 Sept. 20-2025 Jan. 25, mean residual 0".7.
Nongravitational parameters A1 = +0.11, A2 = +0.0236.
130P/McNaught-Hughes
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Apr. 15.18096 TT Pike
q 1.8245100 (2000.0) P Q
n 0.15817492 Peri. 246.26363 +0.71989771 +0.68693419
a 3.3861873 Node 70.18130 -0.59214985 +0.68251843
e 0.4611905 Incl. 6.06150 -0.36208541 +0.24957967
P 6.23
From 2235 observations 2004 Apr. 20-2025 Jan. 26, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = +0.0007.
136P/Mueller
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Jan. 3.39997 TT Pike
q 2.9584244 (2000.0) P Q
n 0.11511297 Peri. 225.30688 +0.99237025 -0.05402799
a 4.1852353 Node 137.42149 +0.08350419 +0.95584873
e 0.2931283 Incl. 9.42739 -0.09071017 +0.28884974
P 8.56
From 412 observations 2016 Aug. 5-2024 Dec. 23, mean residual 0".6.
Nongravitational parameters A1 = -2.92, A2 = +0.1956.
146P/Shoemaker-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 5.42232 TT Pike
q 1.4188851 (2000.0) P Q
n 0.12200619 Peri. 317.05102 +0.93962163 -0.13359143
a 4.0260715 Node 53.36294 +0.30221364 +0.75586781
e 0.6475758 Incl. 23.11856 -0.16055564 +0.64095022
P 8.08
From 529 observations 2016 Oct. 10-2025 Jan. 25, mean residual 0".6.
Nongravitational parameters A1 = +0.10, A2 = +0.0293.
154P/Brewington
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 June 13.22374 TT Pike
q 1.5525494 (2000.0) P Q
n 0.09383322 Peri. 47.93555 +0.84757308 -0.52322941
a 4.7962113 Node 342.99641 +0.35150913 +0.67861760
e 0.6762967 Incl. 17.63752 +0.39756912 +0.51546983
P 10.5
From 2832 observations 2013 July 6-2025 Feb. 5, mean residual 0".7.
Nongravitational parameters A1 = +1.53, A2 = +0.3758.
158P/Kowal-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2022 Aug. 28.63007 TT Pike
q 5.0083563 (2000.0) P Q
n 0.07288239 Peri. 228.43705 +0.98729025 +0.11783594
a 5.6761560 Node 124.53031 -0.07707828 +0.94183802
e 0.1176500 Incl. 7.43769 -0.13898526 +0.31473136
P 13.5
From 261 observations 2021 June 8-2025 Jan. 25, mean residual 0".6.
170P/Christensen
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Apr. 15.81189 TT Pike
q 2.9145277 (2000.0) P Q
n 0.11471008 Peri. 224.76679 +0.98499784 -0.13561525
a 4.1950293 Node 142.63931 +0.15952237 +0.95142297
e 0.3052426 Incl. 10.12835 -0.06581701 +0.27641062
P 8.59
From 791 observations 2021 June 30-2025 Jan. 24, mean residual 0".6.
172P/Yeung
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Nov. 2.55384 TT Pike
q 3.3581314 (2000.0) P Q
n 0.11355731 Peri. 208.90007 -0.50802524 +0.85552913
a 4.2233719 Node 30.88259 -0.74812355 -0.38078987
e 0.2048696 Incl. 11.22328 -0.42687412 -0.35081189
P 8.68
From 377 observations 2012 Sept. 15-2025 Feb. 6, mean residual 0".3.
195P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 5.50132 TT Pike
q 4.4406024 (2000.0) P Q
n 0.06022674 Peri. 250.58480 -0.52644638 -0.66524875
a 6.4457952 Node 243.10080 +0.80973422 -0.58215360
e 0.3110854 Incl. 36.41747 -0.25920011 -0.46748399
P 16.4
From 796 observations 1993 Feb. 26-2025 Feb. 6, mean residual 0".6.
208P/McMillan
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 24.14012 TT Pike
q 2.5290053 (2000.0) P Q
n 0.12137321 Peri. 310.74400 +0.97334755 +0.22476063
a 4.0400569 Node 36.33456 -0.18032150 +0.87284927
e 0.3740174 Incl. 4.41168 -0.14169933 +0.43314756
P 8.12
From 275 observations 2016 July 29-2025 Feb. 2, mean residual 0".7.
217P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 May 24.94402 TT Pike
q 1.2263740 (2000.0) P Q
n 0.12582731 Peri. 247.03579 +0.95779639 -0.22284766
a 3.9441440 Node 125.37158 +0.26640541 +0.92540811
e 0.6890646 Incl. 12.86548 -0.10795479 +0.30652691
P 7.83
From 3328 observations 2001 June 21-2024 June 12, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0030.
219P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Feb. 14.86463 TT Pike
q 2.3558892 (2000.0) P Q
n 0.14102677 Peri. 107.90056 +0.91758610 +0.36603663
a 3.6554009 Node 230.92391 -0.39594502 +0.87637403
e 0.3555046 Incl. 11.52401 +0.03554266 +0.31302676
P 6.99
From 1188 observations 2002 June 5-2025 Jan. 23, mean residual 0".8.
Nongravitational parameters A1 = +1.07, A2 = -0.1098.
229P/Gibbs
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 5.78437 TT Pike
q 2.4403752 (2000.0) P Q
n 0.12683730 Peri. 224.21739 +0.89976229 -0.40372877
a 3.9231784 Node 157.88227 +0.40677063 +0.91337829
e 0.3779597 Incl. 26.09676 -0.15800468 +0.05237533
P 7.77
From 322 observations 2001 Aug. 23-2024 Dec. 3, mean residual 1".0.
235P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 22.56811 TT Pike
q 1.9781115 (2000.0) P Q
n 0.15397793 Peri. 352.14495 -0.97624774 +0.20852500
a 3.4474428 Node 200.18407 -0.18836245 -0.95099737
e 0.4262090 Incl. 9.81236 -0.10705106 -0.22830098
P 6.40
From 303 observations 2001 Dec. 26-2025 Jan. 25, mean residual 1".0.
237P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 May 14.52461 TT Pike
q 1.9943630 (2000.0) P Q
n 0.14946605 Peri. 25.51733 +0.00360525 +0.97547267
a 3.5164762 Node 245.35691 -0.95396384 -0.06265119
e 0.4328518 Incl. 14.01317 -0.29989998 +0.21101633
P 6.59
From 2247 observations 2002 June 18-2024 Nov. 21, mean residual 0".7.
242P/Spahr
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Dec. 23.32539 TT Pike
q 3.9716511 (2000.0) P Q
n 0.07563053 Peri. 244.96161 +0.41976824 -0.90762810
a 5.5378088 Node 180.25868 +0.89665463 +0.41427664
e 0.2828118 Incl. 32.42355 -0.14073060 -0.06772074
P 13.0
From 999 observations 2011 July 20-2025 Feb. 6, mean residual 0".7.
253P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 21.02683 TT Pike
q 2.0266503 (2000.0) P Q
n 0.15281977 Peri. 230.84672 +0.95114019 -0.30513948
a 3.4648386 Node 146.84253 +0.30315050 +0.89394436
e 0.4150809 Incl. 4.94442 +0.05858422 +0.32825810
P 6.45
From 876 observations 1998 Sept. 14-2025 Jan. 27, mean residual 0".6.
Nongravitational parameters A1 = -0.09, A2 = -0.0059.
268P/Bernardi
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Dec. 18.48438 TT Pike
q 2.4126827 (2000.0) P Q
n 0.10018956 Peri. 0.01772 -0.58282493 -0.78241584
a 4.5911455 Node 125.63242 +0.74551065 -0.62227650
e 0.4744922 Incl. 15.66144 +0.32330940 +0.02444193
P 9.84
From 162 observations 2004 Sept. 22-2025 Feb. 5, mean residual 0".4.
276P/Vorobjov
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Dec. 10.90787 TT Pike
q 3.8986517 (2000.0) P Q
n 0.07935015 Peri. 199.32273 +0.64023232 -0.75666617
a 5.3633676 Node 211.29102 +0.73410383 +0.65346722
e 0.2730963 Incl. 14.78119 +0.22626123 +0.02090219
P 12.4
From 1095 observations 2000 Dec. 19-2025 Feb. 2, mean residual 0".6.
294P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 11.19365 TT Pike
q 1.2730735 (2000.0) P Q
n 0.17293852 Peri. 237.58224 -0.96121456 +0.14468007
a 3.1906186 Node 309.60040 +0.01109624 -0.83038510
e 0.6009948 Incl. 17.74268 -0.27557836 -0.53807831
P 5.70
From 45 observations 2020 June 24-2025 Jan. 22, mean residual 0".3.
305P/Skiff
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 17.14279 TT Pike
q 1.4184173 (2000.0) P Q
n 0.09871398 Peri. 147.40914 +0.87726844 -0.44681777
a 4.6367848 Node 240.10183 +0.38555258 +0.87356526
e 0.6940946 Incl. 11.67092 +0.28591832 +0.19297048
P 9.98
From 740 observations 2004 Oct. 7-2025 Jan. 27, mean residual 1".1.
323P/SOHO
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 14.23068 TT Pike
q 0.0403956 (2000.0) P Q
n 0.25857643 Peri. 353.32423 +0.73489623 +0.67607040
a 2.4401139 Node 323.95033 -0.61794263 +0.63506993
e 0.9834452 Incl. 5.21064 -0.27941805 +0.37365090
P 3.81
From 21 observations 2025 Jan. 27-Feb. 7, mean residual 0".3.
333P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 29.29816 TT Pike
q 1.1129751 (2000.0) P Q
n 0.11367848 Peri. 26.01968 -0.12520558 +0.73231413
a 4.2203702 Node 115.70684 +0.73012384 -0.38878821
e 0.7362850 Incl. 132.02230 +0.67174604 +0.55907043
P 8.67
From 1161 observations 2016 Jan. 1-2025 Feb. 1, mean residual 0".6.
338P/McNaught
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 3.32416 TT Pike
q 2.2877255 (2000.0) P Q
n 0.12818267 Peri. 4.62842 +0.96996546 -0.23214639
a 3.8956792 Node 9.75711 +0.20714777 +0.63183603
e 0.4127531 Incl. 25.37652 +0.12750220 +0.73952098
P 7.69
From 694 observations 2016 June 14-2025 Jan. 22, mean residual 0".7.
Nongravitational parameters A1 = -0.76, A2 = +0.0404.
382P/Larson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2021 Oct. 30.99019 TT Pike
q 4.3258643 (2000.0) P Q
n 0.06892225 Peri. 162.35265 +0.88847863 +0.45827304
a 5.8915526 Node 170.26357 -0.43648722 +0.86023083
e 0.2657514 Incl. 8.26872 -0.14172022 +0.22358162
P 14.3
From 546 observations 2007 Sept. 4-2022 Dec. 14, mean residual 0".7.
384P/Kowalski
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Sept. 19.12313 TT Pike
q 1.1119082 (2000.0) P Q
n 0.19982887 Peri. 37.70412 +0.84854387 -0.52896925
a 2.8975475 Node 354.18808 +0.44937761 +0.73325288
e 0.6162589 Incl. 7.28397 +0.27934399 +0.42723735
P 4.93
From 740 observations 2014 Oct. 18-2025 Jan. 22, mean residual 0".6.
404P/Bressi
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Oct. 31.99069 TT Pike
q 4.1325447 (2000.0) P Q
n 0.09614661 Peri. 169.01561 +0.35468838 -0.91981892
a 4.7189646 Node 260.04199 +0.84440860 +0.39215409
e 0.1242688 Incl. 9.80429 +0.40146016 -0.01217855
P 10.3
From 467 observations 2020 Nov. 8-2025 Feb. 6, mean residual 0".6.
408P/Novichonok-Gerke
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2022 Oct. 6.05583 TT Pike
q 3.4717689 (2000.0) P Q
n 0.09533595 Peri. 226.68789 +0.56393206 -0.82402665
a 4.7456777 Node 189.45101 +0.82057223 +0.56654705
e 0.2684356 Incl. 19.35198 +0.09296149 -0.00212702
P 10.3
From 1633 observations 2011 Sept. 7-2025 Feb. 6, mean residual 0".7.
450P/LONEOS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2027 Jan. 29.45609 TT Pike
q 5.4486748 (2000.0) P Q
n 0.04400871 Peri. 23.14756 -0.83776365 -0.52426978
a 7.9452997 Node 124.34878 +0.46761389 -0.83317372
e 0.3142266 Incl. 10.65279 +0.28193848 -0.17596236
P 22.4
From 600 observations 2003 Oct. 25-2025 Jan. 22, mean residual 0".7.
456P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 15.01999 TT Pike
q 2.8022486 (2000.0) P Q
n 0.17460815 Peri. 233.02139 -0.41000385 -0.87414087
a 3.1702466 Node 243.14771 +0.90175336 -0.34565967
e 0.1160787 Incl. 16.96569 +0.13688578 -0.34117025
P 5.64
From 59 observations 2012 Aug. 18-2025 Feb. 4, mean residual 0".1.
470P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Dec. 16.83176 TT Pike
q 2.7259748 (2000.0) P Q
n 0.10447774 Peri. 151.70818 +0.78414621 -0.60442901
a 4.4646443 Node 246.17156 +0.53644213 +0.77414093
e 0.3894307 Incl. 8.84420 +0.31200090 +0.18807286
P 9.43
From 211 observations 2014 Nov. 17-2025 Jan. 22, mean residual 0".5.
472P/NEAT-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 July 14.31251 TT Pike
q 3.3878209 (2000.0) P Q
n 0.04536298 Peri. 218.85262 +0.43195842 -0.89816516
a 7.7863694 Node 205.86437 +0.86724190 +0.43858150
e 0.5649036 Incl. 10.82389 +0.24759524 +0.03075079
P 21.7
From 1157 observations 2002 Sept. 15-2025 Feb. 6, mean residual 0".7.
476P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 16.48827 TT Pike
q 3.1233955 (2000.0) P Q
n 0.09443805 Peri. 46.73248 -0.20494738 -0.93984957
a 4.7757111 Node 57.05115 +0.77692904 -0.32602582
e 0.3459832 Incl. 19.00524 +0.59529643 +0.10193110
P 10.4
From 42 observations 2023 Nov. 19-2025 Jan. 29, mean residual 0".4.
Nongravitational parameters A1 = +2.11, A2 = +1.8270.
487P/Siding Spring
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 20.60627 TT Pike
q 1.8147974 (2000.0) P Q
n 0.08401011 Peri. 0.84719 +0.64462377 -0.59488257
a 5.1631532 Node 49.20542 +0.69763180 +0.20083545
e 0.6485099 Incl. 39.36623 +0.31268204 +0.77831860
P 11.7
From 1255 observations 2002 Feb. 13-2025 Feb. 6, mean residual 0".5.
492P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 July 20.45986 TT Pike
q 1.7819975 (2000.0) P Q
n 0.07128412 Peri. 40.98620 +0.61416716 -0.78822382
a 5.7606856 Node 11.30635 +0.66264606 +0.48840423
e 0.6906623 Incl. 11.40084 +0.42860110 +0.37438553
P 13.8
From 770 observations 2010 Aug. 10-2025 Feb. 5, mean residual 0".7.
496P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 10.27862 TT Pike
q 1.6210432 (2000.0) P Q
n 0.06541706 Peri. 42.24560 -0.25281004 -0.94002510
a 6.1001715 Node 63.58685 +0.80517623 -0.33564616
e 0.7342627 Incl. 14.81442 +0.53644973 +0.06078207
P 15.1
From 978 observations 2009 Oct. 14-2025 Feb. 4, mean residual 0".5.
Orbital elements:
10P/Tempel
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Aug. 2.15782 TT Pike
q 1.4173611 (2000.0) P Q
n 0.18378924 Peri. 195.49500 +0.68058010 +0.70910808
a 3.0637688 Node 117.80102 -0.64812768 +0.70000344
e 0.5373799 Incl. 12.02742 -0.34167418 +0.08462226
P 5.36
From 4581 observations 2003 Mar. 7-2025 Jan. 29, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.
29P/Schwassmann-Wachmann
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2019 May 2.34914 TT Pike
q 5.7939933 (2000.0) P Q
n 0.06612555 Peri. 52.10151 +0.98915859 -0.08458912
a 6.0565202 Node 312.40402 +0.01455062 +0.86986922
e 0.0433462 Incl. 9.35598 +0.14612860 +0.48597554
P 14.9
From 47668 observations 1902 Mar. 4-2025 Feb. 6, mean residual 0".9.
30P/Reinmuth
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 17.22437 TT Pike
q 1.8138464 (2000.0) P Q
n 0.13653302 Peri. 9.51012 -0.59678912 -0.79267058
a 3.7351748 Node 117.23368 +0.72667238 -0.59974896
e 0.5143878 Incl. 8.05325 +0.34027930 -0.10942827
P 7.22
From 1165 observations 2011 Apr. 12-2025 Jan. 30, mean residual 0".8.
32P/Comas Sola
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Apr. 20.67942 TT Pike
q 2.0250742 (2000.0) P Q
n 0.10142206 Peri. 54.70260 -0.31949943 -0.93714123
a 4.5538748 Node 54.53205 +0.80383988 -0.34644895
e 0.5553075 Incl. 9.92016 +0.50175848 -0.04170652
P 9.72
From 3598 observations 2013 Sept. 24-2025 Feb. 6, mean residual 0".8.
Nongravitational parameters A1 = +1.35, A2 = +0.0484.
33P/Daniel
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 10.90083 TT Pike
q 2.2425034 (2000.0) P Q
n 0.11906254 Peri. 20.25967 +0.08404285 -0.93397518
a 4.0921603 Node 66.28071 +0.85400389 -0.11208034
e 0.4520001 Incl. 22.29403 +0.51343369 +0.33930571
P 8.28
From 742 observations 1999 Nov. 13-2025 Feb. 5, mean residual 0".8.
Nongravitational parameters A1 = +0.55, A2 = +0.0467.
40P/Vaisala
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Nov. 11.99412 TT Pike
q 1.8238902 (2000.0) P Q
n 0.08953839 Peri. 52.03590 -0.98725122 +0.02621663
a 4.9483818 Node 128.90228 -0.06894906 -0.95943670
e 0.6314168 Incl. 11.63859 +0.14346098 -0.28070254
P 11.0
From 1000 observations 1959 Nov. 11-2013 Dec. 30, mean residual 1".7.
Nongravitational parameters A1 = +0.22, A2 = -0.0136.
43P/Wolf-Harrington
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 4.74851 TT Pike
q 2.4429300 (2000.0) P Q
n 0.10929660 Peri. 223.81614 -0.29764769 -0.94348468
a 4.3324306 Node 243.99523 +0.91448003 -0.23793997
e 0.4361295 Incl. 9.33266 +0.27410241 -0.23069728
P 9.02
From 982 observations 2023 Sept. 11-2025 Feb. 6, mean residual 0".5.
Nongravitational parameters A1 = +3.24, A2 = +0.8470.
49P/Arend-Rigaux
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 10.61241 TT Pike
q 1.4313491 (2000.0) P Q
n 0.14612105 Peri. 332.93084 -0.05191114 -0.95676826
a 3.5699395 Node 118.79106 +0.96515463 -0.12166378
e 0.5990551 Incl. 19.05942 +0.25647958 +0.26418254
P 6.75
From 4136 observations 2004 June 24-2025 Feb. 7, mean residual 0".6.
Nongravitational parameters A1 = -0.03, A2 = -0.0006.
50P/Arend
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 May 12.64360 TT Pike
q 1.9219582 (2000.0) P Q
n 0.11929353 Peri. 49.31603 +0.71019183 -0.70346332
a 4.0868760 Node 355.14517 +0.50575996 +0.53717104
e 0.5297244 Incl. 19.10024 +0.48972893 +0.46538868
P 8.26
From 1812 observations 1999 Aug. 3-2025 Feb. 3, mean residual 0".7.
Nongravitational parameters A1 = +0.24, A2 = -0.0102.
60P/Tsuchinshan
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 July 20.61965 TT Pike
q 1.6456692 (2000.0) P Q
n 0.14857998 Peri. 216.92039 -0.56259626 -0.82437536
a 3.5304429 Node 267.39634 +0.77265040 -0.49745464
e 0.5338632 Incl. 3.57988 +0.29410340 -0.27008176
P 6.63
From 1432 observations 2005 Oct. 5-2025 Jan. 20, mean residual 0".7.
62P/Tsuchinshan
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Dec. 25.19035 TT Pike
q 1.2651220 (2000.0) P Q
n 0.15924505 Peri. 47.32940 -0.43595758 -0.89667365
a 3.3710000 Node 68.66588 +0.79966908 -0.42516742
e 0.6247042 Incl. 4.73707 +0.41288055 -0.12332487
P 6.19
From 1986 observations 2023 Aug. 29-2024 June 1, mean residual 0".5.
Nongravitational parameters A1 = +0.58, A2 = +0.4727.
74P/Smirnova-Chernykh
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Aug. 18.81484 TT Pike
q 4.8204575 (2000.0) P Q
n 0.08754946 Peri. 70.90942 -0.55653285 -0.82627622
a 5.0230450 Node 53.21513 +0.71569779 -0.52986493
e 0.0403316 Incl. 6.22380 +0.42195717 -0.19107792
P 11.3
From 1861 observations 2018 Jan. 1-2025 Jan. 23, mean residual 0".5.
Nongravitational parameters A1 = -1.96, A2 = -0.4538.
88P/Howell
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Mar. 18.79696 TT Pike
q 1.3576750 (2000.0) P Q
n 0.17984841 Peri. 235.88237 +0.38149064 +0.92216578
a 3.1083624 Node 56.66906 -0.82094616 +0.36973920
e 0.5632186 Incl. 4.38194 -0.42486739 +0.11359225
P 5.48
From 2475 observations 2015 July 7-2025 Feb. 5, mean residual 0".8.
Nongravitational parameters A1 = +0.67, A2 = +0.0121.
89P/Russell
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Mar. 26.60305 TT Pike
q 2.2222802 (2000.0) P Q
n 0.13568408 Peri. 250.41733 +0.35698841 +0.92383604
a 3.7507384 Node 41.34463 -0.75936624 +0.37314542
e 0.4075086 Incl. 12.07177 -0.54398730 +0.08537832
P 7.26
From 646 observations 1980 Aug. 9-2025 Jan. 1, mean residual 0".6.
Nongravitational parameters A1 = +0.84, A2 = -0.0351.
103P/Hartley
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Oct. 12.43880 TT Pike
q 1.0651401 (2000.0) P Q
n 0.15211325 Peri. 181.32594 +0.75418732 -0.63918778
a 3.4755592 Node 219.75588 +0.60461813 +0.76534153
e 0.6935342 Incl. 13.60829 +0.25619992 +0.07544090
P 6.48
From 8854 observations 2004 Sept. 20-2025 Jan. 25, mean residual 0".7.
Nongravitational parameters A1 = +0.11, A2 = +0.0236.
130P/McNaught-Hughes
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Apr. 15.18096 TT Pike
q 1.8245100 (2000.0) P Q
n 0.15817492 Peri. 246.26363 +0.71989771 +0.68693419
a 3.3861873 Node 70.18130 -0.59214985 +0.68251843
e 0.4611905 Incl. 6.06150 -0.36208541 +0.24957967
P 6.23
From 2235 observations 2004 Apr. 20-2025 Jan. 26, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = +0.0007.
136P/Mueller
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Jan. 3.39997 TT Pike
q 2.9584244 (2000.0) P Q
n 0.11511297 Peri. 225.30688 +0.99237025 -0.05402799
a 4.1852353 Node 137.42149 +0.08350419 +0.95584873
e 0.2931283 Incl. 9.42739 -0.09071017 +0.28884974
P 8.56
From 412 observations 2016 Aug. 5-2024 Dec. 23, mean residual 0".6.
Nongravitational parameters A1 = -2.92, A2 = +0.1956.
146P/Shoemaker-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 5.42232 TT Pike
q 1.4188851 (2000.0) P Q
n 0.12200619 Peri. 317.05102 +0.93962163 -0.13359143
a 4.0260715 Node 53.36294 +0.30221364 +0.75586781
e 0.6475758 Incl. 23.11856 -0.16055564 +0.64095022
P 8.08
From 529 observations 2016 Oct. 10-2025 Jan. 25, mean residual 0".6.
Nongravitational parameters A1 = +0.10, A2 = +0.0293.
154P/Brewington
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 June 13.22374 TT Pike
q 1.5525494 (2000.0) P Q
n 0.09383322 Peri. 47.93555 +0.84757308 -0.52322941
a 4.7962113 Node 342.99641 +0.35150913 +0.67861760
e 0.6762967 Incl. 17.63752 +0.39756912 +0.51546983
P 10.5
From 2832 observations 2013 July 6-2025 Feb. 5, mean residual 0".7.
Nongravitational parameters A1 = +1.53, A2 = +0.3758.
158P/Kowal-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2022 Aug. 28.63007 TT Pike
q 5.0083563 (2000.0) P Q
n 0.07288239 Peri. 228.43705 +0.98729025 +0.11783594
a 5.6761560 Node 124.53031 -0.07707828 +0.94183802
e 0.1176500 Incl. 7.43769 -0.13898526 +0.31473136
P 13.5
From 261 observations 2021 June 8-2025 Jan. 25, mean residual 0".6.
170P/Christensen
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Apr. 15.81189 TT Pike
q 2.9145277 (2000.0) P Q
n 0.11471008 Peri. 224.76679 +0.98499784 -0.13561525
a 4.1950293 Node 142.63931 +0.15952237 +0.95142297
e 0.3052426 Incl. 10.12835 -0.06581701 +0.27641062
P 8.59
From 791 observations 2021 June 30-2025 Jan. 24, mean residual 0".6.
172P/Yeung
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Nov. 2.55384 TT Pike
q 3.3581314 (2000.0) P Q
n 0.11355731 Peri. 208.90007 -0.50802524 +0.85552913
a 4.2233719 Node 30.88259 -0.74812355 -0.38078987
e 0.2048696 Incl. 11.22328 -0.42687412 -0.35081189
P 8.68
From 377 observations 2012 Sept. 15-2025 Feb. 6, mean residual 0".3.
195P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 5.50132 TT Pike
q 4.4406024 (2000.0) P Q
n 0.06022674 Peri. 250.58480 -0.52644638 -0.66524875
a 6.4457952 Node 243.10080 +0.80973422 -0.58215360
e 0.3110854 Incl. 36.41747 -0.25920011 -0.46748399
P 16.4
From 796 observations 1993 Feb. 26-2025 Feb. 6, mean residual 0".6.
208P/McMillan
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 24.14012 TT Pike
q 2.5290053 (2000.0) P Q
n 0.12137321 Peri. 310.74400 +0.97334755 +0.22476063
a 4.0400569 Node 36.33456 -0.18032150 +0.87284927
e 0.3740174 Incl. 4.41168 -0.14169933 +0.43314756
P 8.12
From 275 observations 2016 July 29-2025 Feb. 2, mean residual 0".7.
217P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 May 24.94402 TT Pike
q 1.2263740 (2000.0) P Q
n 0.12582731 Peri. 247.03579 +0.95779639 -0.22284766
a 3.9441440 Node 125.37158 +0.26640541 +0.92540811
e 0.6890646 Incl. 12.86548 -0.10795479 +0.30652691
P 7.83
From 3328 observations 2001 June 21-2024 June 12, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0030.
219P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Feb. 14.86463 TT Pike
q 2.3558892 (2000.0) P Q
n 0.14102677 Peri. 107.90056 +0.91758610 +0.36603663
a 3.6554009 Node 230.92391 -0.39594502 +0.87637403
e 0.3555046 Incl. 11.52401 +0.03554266 +0.31302676
P 6.99
From 1188 observations 2002 June 5-2025 Jan. 23, mean residual 0".8.
Nongravitational parameters A1 = +1.07, A2 = -0.1098.
229P/Gibbs
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 5.78437 TT Pike
q 2.4403752 (2000.0) P Q
n 0.12683730 Peri. 224.21739 +0.89976229 -0.40372877
a 3.9231784 Node 157.88227 +0.40677063 +0.91337829
e 0.3779597 Incl. 26.09676 -0.15800468 +0.05237533
P 7.77
From 322 observations 2001 Aug. 23-2024 Dec. 3, mean residual 1".0.
235P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 22.56811 TT Pike
q 1.9781115 (2000.0) P Q
n 0.15397793 Peri. 352.14495 -0.97624774 +0.20852500
a 3.4474428 Node 200.18407 -0.18836245 -0.95099737
e 0.4262090 Incl. 9.81236 -0.10705106 -0.22830098
P 6.40
From 303 observations 2001 Dec. 26-2025 Jan. 25, mean residual 1".0.
237P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 May 14.52461 TT Pike
q 1.9943630 (2000.0) P Q
n 0.14946605 Peri. 25.51733 +0.00360525 +0.97547267
a 3.5164762 Node 245.35691 -0.95396384 -0.06265119
e 0.4328518 Incl. 14.01317 -0.29989998 +0.21101633
P 6.59
From 2247 observations 2002 June 18-2024 Nov. 21, mean residual 0".7.
242P/Spahr
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Dec. 23.32539 TT Pike
q 3.9716511 (2000.0) P Q
n 0.07563053 Peri. 244.96161 +0.41976824 -0.90762810
a 5.5378088 Node 180.25868 +0.89665463 +0.41427664
e 0.2828118 Incl. 32.42355 -0.14073060 -0.06772074
P 13.0
From 999 observations 2011 July 20-2025 Feb. 6, mean residual 0".7.
253P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 21.02683 TT Pike
q 2.0266503 (2000.0) P Q
n 0.15281977 Peri. 230.84672 +0.95114019 -0.30513948
a 3.4648386 Node 146.84253 +0.30315050 +0.89394436
e 0.4150809 Incl. 4.94442 +0.05858422 +0.32825810
P 6.45
From 876 observations 1998 Sept. 14-2025 Jan. 27, mean residual 0".6.
Nongravitational parameters A1 = -0.09, A2 = -0.0059.
268P/Bernardi
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Dec. 18.48438 TT Pike
q 2.4126827 (2000.0) P Q
n 0.10018956 Peri. 0.01772 -0.58282493 -0.78241584
a 4.5911455 Node 125.63242 +0.74551065 -0.62227650
e 0.4744922 Incl. 15.66144 +0.32330940 +0.02444193
P 9.84
From 162 observations 2004 Sept. 22-2025 Feb. 5, mean residual 0".4.
276P/Vorobjov
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Dec. 10.90787 TT Pike
q 3.8986517 (2000.0) P Q
n 0.07935015 Peri. 199.32273 +0.64023232 -0.75666617
a 5.3633676 Node 211.29102 +0.73410383 +0.65346722
e 0.2730963 Incl. 14.78119 +0.22626123 +0.02090219
P 12.4
From 1095 observations 2000 Dec. 19-2025 Feb. 2, mean residual 0".6.
294P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 11.19365 TT Pike
q 1.2730735 (2000.0) P Q
n 0.17293852 Peri. 237.58224 -0.96121456 +0.14468007
a 3.1906186 Node 309.60040 +0.01109624 -0.83038510
e 0.6009948 Incl. 17.74268 -0.27557836 -0.53807831
P 5.70
From 45 observations 2020 June 24-2025 Jan. 22, mean residual 0".3.
305P/Skiff
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 17.14279 TT Pike
q 1.4184173 (2000.0) P Q
n 0.09871398 Peri. 147.40914 +0.87726844 -0.44681777
a 4.6367848 Node 240.10183 +0.38555258 +0.87356526
e 0.6940946 Incl. 11.67092 +0.28591832 +0.19297048
P 9.98
From 740 observations 2004 Oct. 7-2025 Jan. 27, mean residual 1".1.
323P/SOHO
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 14.23068 TT Pike
q 0.0403956 (2000.0) P Q
n 0.25857643 Peri. 353.32423 +0.73489623 +0.67607040
a 2.4401139 Node 323.95033 -0.61794263 +0.63506993
e 0.9834452 Incl. 5.21064 -0.27941805 +0.37365090
P 3.81
From 21 observations 2025 Jan. 27-Feb. 7, mean residual 0".3.
333P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Nov. 29.29816 TT Pike
q 1.1129751 (2000.0) P Q
n 0.11367848 Peri. 26.01968 -0.12520558 +0.73231413
a 4.2203702 Node 115.70684 +0.73012384 -0.38878821
e 0.7362850 Incl. 132.02230 +0.67174604 +0.55907043
P 8.67
From 1161 observations 2016 Jan. 1-2025 Feb. 1, mean residual 0".6.
338P/McNaught
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 3.32416 TT Pike
q 2.2877255 (2000.0) P Q
n 0.12818267 Peri. 4.62842 +0.96996546 -0.23214639
a 3.8956792 Node 9.75711 +0.20714777 +0.63183603
e 0.4127531 Incl. 25.37652 +0.12750220 +0.73952098
P 7.69
From 694 observations 2016 June 14-2025 Jan. 22, mean residual 0".7.
Nongravitational parameters A1 = -0.76, A2 = +0.0404.
382P/Larson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2021 Oct. 30.99019 TT Pike
q 4.3258643 (2000.0) P Q
n 0.06892225 Peri. 162.35265 +0.88847863 +0.45827304
a 5.8915526 Node 170.26357 -0.43648722 +0.86023083
e 0.2657514 Incl. 8.26872 -0.14172022 +0.22358162
P 14.3
From 546 observations 2007 Sept. 4-2022 Dec. 14, mean residual 0".7.
384P/Kowalski
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Sept. 19.12313 TT Pike
q 1.1119082 (2000.0) P Q
n 0.19982887 Peri. 37.70412 +0.84854387 -0.52896925
a 2.8975475 Node 354.18808 +0.44937761 +0.73325288
e 0.6162589 Incl. 7.28397 +0.27934399 +0.42723735
P 4.93
From 740 observations 2014 Oct. 18-2025 Jan. 22, mean residual 0".6.
404P/Bressi
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Oct. 31.99069 TT Pike
q 4.1325447 (2000.0) P Q
n 0.09614661 Peri. 169.01561 +0.35468838 -0.91981892
a 4.7189646 Node 260.04199 +0.84440860 +0.39215409
e 0.1242688 Incl. 9.80429 +0.40146016 -0.01217855
P 10.3
From 467 observations 2020 Nov. 8-2025 Feb. 6, mean residual 0".6.
408P/Novichonok-Gerke
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2022 Oct. 6.05583 TT Pike
q 3.4717689 (2000.0) P Q
n 0.09533595 Peri. 226.68789 +0.56393206 -0.82402665
a 4.7456777 Node 189.45101 +0.82057223 +0.56654705
e 0.2684356 Incl. 19.35198 +0.09296149 -0.00212702
P 10.3
From 1633 observations 2011 Sept. 7-2025 Feb. 6, mean residual 0".7.
450P/LONEOS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2027 Jan. 29.45609 TT Pike
q 5.4486748 (2000.0) P Q
n 0.04400871 Peri. 23.14756 -0.83776365 -0.52426978
a 7.9452997 Node 124.34878 +0.46761389 -0.83317372
e 0.3142266 Incl. 10.65279 +0.28193848 -0.17596236
P 22.4
From 600 observations 2003 Oct. 25-2025 Jan. 22, mean residual 0".7.
456P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 15.01999 TT Pike
q 2.8022486 (2000.0) P Q
n 0.17460815 Peri. 233.02139 -0.41000385 -0.87414087
a 3.1702466 Node 243.14771 +0.90175336 -0.34565967
e 0.1160787 Incl. 16.96569 +0.13688578 -0.34117025
P 5.64
From 59 observations 2012 Aug. 18-2025 Feb. 4, mean residual 0".1.
470P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Dec. 16.83176 TT Pike
q 2.7259748 (2000.0) P Q
n 0.10447774 Peri. 151.70818 +0.78414621 -0.60442901
a 4.4646443 Node 246.17156 +0.53644213 +0.77414093
e 0.3894307 Incl. 8.84420 +0.31200090 +0.18807286
P 9.43
From 211 observations 2014 Nov. 17-2025 Jan. 22, mean residual 0".5.
472P/NEAT-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 July 14.31251 TT Pike
q 3.3878209 (2000.0) P Q
n 0.04536298 Peri. 218.85262 +0.43195842 -0.89816516
a 7.7863694 Node 205.86437 +0.86724190 +0.43858150
e 0.5649036 Incl. 10.82389 +0.24759524 +0.03075079
P 21.7
From 1157 observations 2002 Sept. 15-2025 Feb. 6, mean residual 0".7.
476P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 16.48827 TT Pike
q 3.1233955 (2000.0) P Q
n 0.09443805 Peri. 46.73248 -0.20494738 -0.93984957
a 4.7757111 Node 57.05115 +0.77692904 -0.32602582
e 0.3459832 Incl. 19.00524 +0.59529643 +0.10193110
P 10.4
From 42 observations 2023 Nov. 19-2025 Jan. 29, mean residual 0".4.
Nongravitational parameters A1 = +2.11, A2 = +1.8270.
487P/Siding Spring
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 20.60627 TT Pike
q 1.8147974 (2000.0) P Q
n 0.08401011 Peri. 0.84719 +0.64462377 -0.59488257
a 5.1631532 Node 49.20542 +0.69763180 +0.20083545
e 0.6485099 Incl. 39.36623 +0.31268204 +0.77831860
P 11.7
From 1255 observations 2002 Feb. 13-2025 Feb. 6, mean residual 0".5.
492P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 July 20.45986 TT Pike
q 1.7819975 (2000.0) P Q
n 0.07128412 Peri. 40.98620 +0.61416716 -0.78822382
a 5.7606856 Node 11.30635 +0.66264606 +0.48840423
e 0.6906623 Incl. 11.40084 +0.42860110 +0.37438553
P 13.8
From 770 observations 2010 Aug. 10-2025 Feb. 5, mean residual 0".7.
496P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 10.27862 TT Pike
q 1.6210432 (2000.0) P Q
n 0.06541706 Peri. 42.24560 -0.25281004 -0.94002510
a 6.1001715 Node 63.58685 +0.80517623 -0.33564616
e 0.7342627 Incl. 14.81442 +0.53644973 +0.06078207
P 15.1
From 978 observations 2009 Oct. 14-2025 Feb. 4, mean residual 0".5.