Коррекция орбиты некоторых периодических комет от 7 января ..

[Gremlin]

Коррекция орбиты некоторых периодических комет от 7 января 2026 года, MPEC 2026-A24

Orbital elements:
3I/ATLAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 29.48263 TT Pike
q 1.3564954 (2000.0) P Q
z -3.7889980 Peri. 128.00656 -0.96791095 -0.24579744
+/-0.0000220 Node 322.15435 -0.24888070 +0.90889794
e 6.1397582 Incl. 175.11290 -0.03473900 +0.33688003
From 6299 observations 2025 May 8-2026 Jan. 7, mean residual 0".5.

7P/Pons-Winnecke
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Aug. 24.90612 TT Pike
q 1.1453350 (2000.0) P Q
n 0.16025547 Peri. 173.52342 -0.05118896 +0.92434909
a 3.3568155 Node 93.06114 -0.93242976 +0.09136867
e 0.6588031 Incl. 22.24939 -0.35770719 -0.37044638
P 6.15
From 1573 observations 2002 Jan. 11-2025 Dec. 27, mean residual 0".6.
Nongravitational parameters A1 = +0.00, A2 = +0.0026.

10P/Tempel
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Aug. 2.13330 TT Pike
q 1.4176106 (2000.0) P Q
n 0.18373648 Peri. 195.48080 +0.68036881 +0.70931044
a 3.0643553 Node 117.79821 -0.64833196 +0.69980985
e 0.5373870 Incl. 12.02720 -0.34170741 +0.08452733
P 5.36
From 4658 observations 2003 Mar. 7-2025 Dec. 31, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.

12P/Pons-Brooks
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 21.16286 TT Pike
q 0.7813624 (2000.0) P Q
n 0.01375511 Peri. 199.01821 +0.14484906 -0.32948855
a 17.2514943 Node 255.85879 +0.98574050 +0.12966794
e 0.9547076 Incl. 74.18327 +0.08564126 -0.93521309
P 71.7
From 4400 observations 2023 Oct. 1-2025 June 7, mean residual 0".6.
Nongravitational parameters A1 = +0.60, A2 = -0.2270.

22P/Kopff
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 July 2.44222 TT Pike
q 1.4679303 (2000.0) P Q
n 0.15765885 Peri. 163.26381 +0.23009415 +0.97032429
a 3.3935726 Node 119.98462 -0.90240856 +0.24133906
e 0.5674381 Incl. 4.92405 -0.36430136 +0.01504113
P 6.25
From 4882 observations 2008 Jan. 30-2025 Dec. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0394.

24P/Schaumasse
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.34242 TT Pike
q 1.1839385 (2000.0) P Q
n 0.12054352 Peri. 58.48325 -0.71166578 -0.67484177
a 4.0585741 Node 78.27162 +0.55777420 -0.71174291
e 0.7082871 Incl. 11.50232 +0.42710626 -0.19496310
P 8.18
From 1246 observations 2017 July 24-2026 Jan. 7, mean residual 0".6.
Nongravitational parameters A1 = +0.09, A2 = -0.0092.

29P/Schwassmann-Wachmann
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2019 Apr. 28.23070 TT Pike
q 5.7968192 (2000.0) P Q
n 0.06610748 Peri. 51.90432 +0.98944765 -0.08114613
a 6.0576238 Node 312.40187 +0.01152781 +0.86992094
e 0.0430539 Incl. 9.35523 +0.14443150 +0.48646980
P 14.9
From 17520 observations 2020 Jan. 1-2026 Jan. 4, mean residual 0".6.
Nongravitational parameters A1 = -1.75, A2 = +0.7631.

40P/Vaisala
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Nov. 12.01656 TT Pike
q 1.8237807 (2000.0) P Q
n 0.08966761 Peri. 52.05696 -0.98723785 +0.02655943
a 4.9436264 Node 128.90095 -0.06928731 -0.95941704
e 0.6310844 Incl. 11.64036 +0.14338999 -0.28073751
P 11.0
From 97 observations 2024 Nov. 29-2026 Jan. 2, mean residual 0".7.

43P/Wolf-Harrington
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 4.58689 TT Pike
q 2.4427619 (2000.0) P Q
n 0.10936283 Peri. 223.78898 -0.29694979 -0.94371377
a 4.3306814 Node 243.97980 +0.91465574 -0.23728421
e 0.4359405 Incl. 9.33004 +0.27427305 -0.23043550
P 9.01
From 1307 observations 2023 Sept. 11-2026 Jan. 2, mean residual 0".5.
Nongravitational parameters A1 = -2.07, A2 = +0.5789.

47P/Ashbrook-Jackson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 28.00492 TT Pike
q 2.8074534 (2000.0) P Q
n 0.11800661 Peri. 357.91835 +0.99593427 +0.08924255
a 4.1165352 Node 356.88095 -0.07904682 +0.80041073
e 0.3180057 Incl. 13.03942 -0.04320345 +0.59277182
P 8.35
From 2173 observations 2012 Feb. 15-2026 Jan. 7, mean residual 0".7.
Nongravitational parameters A1 = -0.11, A2 = -0.0165.

48P/Johnson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 2.66314 TT Pike
q 2.0067893 (2000.0) P Q
n 0.15056941 Peri. 216.78813 +0.82455034 +0.52981443
a 3.4992762 Node 110.06355 -0.45559773 +0.82980418
e 0.4265130 Incl. 12.20175 -0.33548092 +0.17527605
P 6.55
From 1521 observations 2018 Feb. 16-2026 Jan. 7, mean residual 0".7.
Nongravitational parameters A1 = +0.46, A2 = +0.0553.

49P/Arend-Rigaux
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Apr. 10.59758 TT Pike
q 1.4313718 (2000.0) P Q
n 0.14617701 Peri. 332.92568 -0.05182094 -0.95677158
a 3.5690283 Node 118.79079 +0.96516639 -0.12157376
e 0.5989464 Incl. 19.05974 +0.25645357 +0.26421198
P 6.74
From 4377 observations 2004 June 24-2025 Dec. 31, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = -0.0008.

63P/Wild
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 6.16681 TT Pike
q 1.9745656 (2000.0) P Q
n 0.07325194 Peri. 168.73562 -0.97281464 -0.23121477
a 5.6570491 Node 357.76502 +0.17769350 -0.70898506
e 0.6509548 Incl. 19.61603 +0.14851496 -0.66624313
P 13.5
From 2080 observations 1960 Apr. 16-2026 Jan. 6, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = -0.1100.

74P/Smirnova-Chernykh
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 5.63783 TT Pike
q 4.8358893 (2000.0) P Q
n 0.08523299 Peri. 59.70187 -0.36157406 -0.92870709
a 5.1136489 Node 51.72453 +0.81538173 -0.35776897
e 0.0543173 Incl. 6.01502 +0.45212481 -0.09749103
P 11.6
From 1901 observations 2018 Jan. 1-2025 Dec. 28, mean residual 0".5.
Nongravitational parameters A1 = -2.00, A2 = -0.4342.

78P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 25.06642 TT Pike
q 2.0045636 (2000.0) P Q
n 0.13666157 Peri. 192.78009 +0.72871255 -0.68258221
a 3.7328320 Node 210.49726 +0.63751073 +0.70565464
e 0.4629912 Incl. 6.25722 +0.25011617 +0.19008694
P 7.21
From 2787 observations 2018 May 15-2025 Dec. 28, mean residual 0".6.
Nongravitational parameters A1 = -0.78, A2 = -0.2150.

93P/Lovas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 May 2.93866 TT Pike
q 1.6884374 (2000.0) P Q
n 0.10778603 Peri. 75.03846 +0.57181945 -0.81704432
a 4.3728147 Node 339.54927 +0.64768435 +0.50489945
e 0.6138786 Incl. 12.21040 +0.50351514 +0.27841537
P 9.14
From 3519 observations 1980 Dec. 5-2026 Jan. 4, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.

117P/Helin-Roman-Alu
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 July 10.69025 TT Pike
q 3.0894698 (2000.0) P Q
n 0.11769069 Peri. 224.92329 +0.23009680 +0.96460670
a 4.1238987 Node 58.78536 -0.84521319 +0.26368598
e 0.2508376 Incl. 8.66182 -0.48235891 -0.00190306
P 8.37
From 4912 observations 2010 Nov. 3-2025 Dec. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.43, A2 = +0.0458.

123P/West-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 22.09541 TT Pike
q 2.1580275 (2000.0) P Q
n 0.12867529 Peri. 103.92955 -0.83970641 -0.50898926
a 3.8857299 Node 45.88007 +0.33765478 -0.76234784
e 0.4446275 Incl. 15.28672 +0.42530270 -0.39969451
P 7.66
From 3358 observations 2010 Sept. 12-2026 Jan. 6, mean residual 0".7.
Nongravitational parameters A1 = -0.62, A2 = +0.0093.

124P/Mrkos
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 23.58831 TT Pike
q 1.7349008 (2000.0) P Q
n 0.15875361 Peri. 185.10916 -0.99608044 +0.08845118
a 3.3779533 Node 359.95940 -0.05063345 -0.57361397
e 0.4864047 Incl. 31.40194 -0.07252587 -0.81433617
P 6.21
From 902 observations 2020 Jan. 1-2025 Dec. 31, mean residual 0".4.
Nongravitational parameters A1 = -0.04, A2 = +0.0029.

128P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 16.92867 TT Pike
q 3.0369656 (2000.0) P Q
n 0.10389891 Peri. 210.53931 +0.42588151 -0.90375842
a 4.4812110 Node 214.30696 +0.84476379 +0.41418896
e 0.3222891 Incl. 4.37147 +0.32403561 +0.10801952
P 9.49
From 1023 observations 1987 Sept. 24-2025 Dec. 25, mean residual 0".9.

136P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 3.72732 TT Pike
q 2.9590633 (2000.0) P Q
n 0.11502996 Peri. 225.38765 +0.99229997 -0.05525889
a 4.1872485 Node 137.41177 +0.08469775 +0.95573925
e 0.2933156 Incl. 9.42755 -0.09037180 +0.28897914
P 8.57
From 511 observations 2016 Aug. 5-2026 Jan. 5, mean residual 0".7.
Nongravitational parameters A1 = -0.33, A2 = +0.0502.

143P/Kowal-Mrkos
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Dec. 27.48871 TT Pike
q 2.9564157 (2000.0) P Q
n 0.09482653 Peri. 304.64400 -0.98972701 +0.11622839
a 4.7626588 Node 242.15932 -0.07944036 -0.93123029
e 0.3792510 Incl. 5.40259 -0.11886832 -0.34539992
P 10.4
From 284 observations 2020 July 28-2025 Dec. 31, mean residual 0".2.

145P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 31.93208 TT Pike
q 1.8897187 (2000.0) P Q
n 0.11745794 Peri. 10.41849 +0.79825791 -0.59584100
a 4.1293446 Node 26.76679 +0.53759234 +0.63887423
e 0.5423684 Incl. 11.27822 +0.27162249 +0.48663459
P 8.39
From 1201 observations 1991 Sept. 12-2026 Jan. 7, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = -0.0179.

164P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 27.37452 TT Pike
q 1.6748679 (2000.0) P Q
n 0.14119600 Peri. 325.93240 +0.56251711 -0.77787837
a 3.6524795 Node 88.26759 +0.80720982 +0.44341569
e 0.5414436 Incl. 16.27635 +0.17884855 +0.44529514
P 6.98
From 1243 observations 2010 Oct. 7-2026 Jan. 3, mean residual 0".7.

171P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 25.02562 TT Pike
q 1.7663998 (2000.0) P Q
n 0.14713429 Peri. 347.07147 +0.00565650 -0.93055135
a 3.5535311 Node 101.69397 +0.94752571 -0.11203816
e 0.5029170 Incl. 21.95498 +0.31962953 +0.34859954
P 6.70
From 645 observations 2005 Sept. 1-2025 Dec. 26, mean residual 0".7.
Nongravitational parameters A1 = +0.35, A2 = -0.1827.

175P/Hergenrother
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 3.07102 TT Pike
q 2.3067608 (2000.0) P Q
n 0.13894191 Peri. 74.58027 -0.99372974 +0.07722970
a 3.6918768 Node 109.79591 -0.10184995 -0.92358977
e 0.3751794 Incl. 4.92941 +0.04612799 -0.37552299
P 7.09
From 859 observations 2000 Jan. 4-2025 Dec. 27, mean residual 0".7.
Nongravitational parameters A1 = +0.07, A2 = +0.0220.

183P/Korlevic-Juric
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Sept. 9.48119 TT Pike
q 4.2295832 (2000.0) P Q
n 0.09624774 Peri. 162.02276 -0.96679825 -0.25483547
a 4.7156585 Node 3.38959 +0.17672614 -0.72040231
e 0.1030769 Incl. 18.71874 +0.18457795 -0.64504217
P 10.2
From 477 observations 2016 Oct. 7-2025 Dec. 25, mean residual 0".8.

188P/LINEAR-Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 13.31673 TT Pike
q 2.5460867 (2000.0) P Q
n 0.10811899 Peri. 26.84742 +0.90049186 -0.43485901
a 4.3638325 Node 358.91075 +0.35892612 +0.74771377
e 0.4165480 Incl. 10.52568 +0.24553301 +0.50181845
P 9.12
From 597 observations 2016 Apr. 14-2025 Dec. 18, mean residual 0".7.

195P/Hill
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Aug. 6.00051 TT Pike
q 4.4406058 (2000.0) P Q
n 0.06029776 Peri. 250.65386 -0.52714558 -0.66476028
a 6.4407327 Node 243.08973 +0.80912238 -0.58301250
e 0.3105434 Incl. 36.41505 -0.25968927 -0.46710832
P 16.3
From 1013 observations 1993 Feb. 26-2026 Jan. 6, mean residual 0".6.

210P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Nov. 22.72670 TT Pike
q 0.5244181 (2000.0) P Q
n 0.17541211 Peri. 345.94956 +0.17411268 -0.96846912
a 3.1605525 Node 93.79676 +0.91983806 +0.09535415
e 0.8340739 Incl. 10.28728 +0.35154333 +0.23016331
P 5.62
From 755 observations 2008 Dec. 8-2026 Jan. 7, mean residual 0".7.
Nongravitational parameters A1 = -0.01, A2 = +0.0043.

217P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 May 24.96363 TT Pike
q 1.2263047 (2000.0) P Q
n 0.12570631 Peri. 247.04374 +0.95777381 -0.22292405
a 3.9466747 Node 125.36815 +0.26648675 +0.92538570
e 0.6892815 Incl. 12.86675 -0.10795433 +0.30653902
P 7.84
From 3515 observations 2001 June 21-2026 Jan. 2, mean residual 0".7.
Nongravitational parameters A1 = +0.18, A2 = +0.0032.

218P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 4.30579 TT Pike
q 1.1293989 (2000.0) P Q
n 0.18414538 Peri. 61.41192 -0.55727254 +0.83031808
a 3.0598173 Node 174.71438 -0.77746374 -0.51993139
e 0.6308934 Incl. 2.72667 -0.29154322 -0.20060715
P 5.35
From 641 observations 2003 Apr. 29-2025 Dec. 31, mean residual 1".1.
Nongravitational parameters A1 = +0.01, A2 = +0.1048.

233P/La Sagra
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 8.10899 TT Pike
q 1.7767553 (2000.0) P Q
n 0.18709947 Peri. 26.98902 -0.19787735 -0.96182636
a 3.0275245 Node 74.91994 +0.86029689 -0.26283995
e 0.4131326 Incl. 11.29017 +0.46982318 +0.07619193
P 5.27
From 162 observations 2005 Feb. 9-2025 Dec. 30, mean residual 0".6.

235P/LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 22.67162 TT Pike
q 1.9778961 (2000.0) P Q
n 0.15410374 Peri. 352.19594 -0.97611350 +0.20916187
a 3.4455662 Node 200.17033 -0.18899345 -0.95087901
e 0.4259591 Incl. 9.81321 -0.10716304 -0.22821134
P 6.40
From 127 observations 2024 Nov. 21-2026 Jan. 7, mean residual 0".6.

240P/NEAT
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 19.94730 TT Pike
q 2.1216518 (2000.0) P Q
n 0.12991515 Peri. 352.07657 +0.37984685 -0.84086414
a 3.8609679 Node 74.91167 +0.86910909 +0.18165192
e 0.4504871 Incl. 23.53670 +0.31680556 +0.50985299
P 7.59
From 1702 observations 2020 Mar. 23-2026 Jan. 7, mean residual 0".5.
Nongravitational parameters A1 = -0.06, A2 = +0.5724.

242P/Spahr
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 23.54491 TT Pike
q 3.9719306 (2000.0) P Q
n 0.07562022 Peri. 245.05359 +0.41925596 -0.90786637
a 5.5383121 Node 180.18807 +0.89683337 +0.41385796
e 0.2828265 Incl. 32.42827 -0.14111820 -0.06708389
P 13.0
From 1149 observations 2011 July 20-2025 Dec. 31, mean residual 0".7.

248P/Gibbs
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 14.94492 TT Pike
q 2.1577388 (2000.0) P Q
n 0.06727951 Peri. 209.99906 +0.53444977 -0.84362497
a 5.9870676 Node 207.79127 +0.79579503 +0.52282968
e 0.6396001 Incl. 6.35127 +0.28473447 +0.12225396
P 14.6
From 288 observations 1996 Sept. 14-2025 Dec. 29, mean residual 0".7.

261P/Larson
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Dec. 27.41247 TT Pike
q 2.0141960 (2000.0) P Q
n 0.15124306 Peri. 67.36652 +0.99478343 +0.02561114
a 3.4888778 Node 291.05037 -0.06589925 +0.90022390
e 0.4226808 Incl. 6.07342 +0.07786660 +0.43467345
P 6.52
From 1245 observations 2005 July 3-2026 Jan. 5, mean residual 0".8.
Nongravitational parameters A1 = +0.38, A2 = +0.0857.

276P/Vorobjov
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Dec. 11.96690 TT Pike
q 3.8985086 (2000.0) P Q
n 0.07893171 Peri. 199.65511 +0.63883419 -0.75805747
a 5.3823057 Node 211.06412 +0.73552357 +0.65183591
e 0.2756806 Incl. 14.74155 +0.22560134 +0.02141989
P 12.5
From 1219 observations 2000 Dec. 19-2026 Jan. 6, mean residual 0".6.

302P/Lemmon-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 9.29283 TT Pike
q 3.2885994 (2000.0) P Q
n 0.11185756 Peri. 208.60754 +0.86658657 +0.49094553
a 4.2660487 Node 121.71708 -0.43548595 +0.83152086
e 0.2291229 Incl. 6.03564 -0.24367952 +0.25989527
P 8.81
From 841 observations 2007 Aug. 16-2026 Jan. 4, mean residual 0".6.

351P/Wiegert-PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Mar. 26.04569 TT Pike
q 3.1316850 (2000.0) P Q
n 0.10535358 Peri. 352.53981 +0.10633049 +0.97077018
a 4.4398660 Node 283.38379 -0.90047707 +0.00223561
e 0.2946443 Incl. 12.77830 -0.42170471 +0.24000054
P 9.36
From 293 observations 1998 Oct. 18-2025 Dec. 9, mean residual 0".6.

379P/Spacewatch
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 22.90033 TT Pike
q 2.2647007 (2000.0) P Q
n 0.15156460 Peri. 31.61229 -0.81868345 +0.57409389
a 3.4839415 Node 183.50947 -0.56146953 -0.80507195
e 0.3499602 Incl. 12.42989 -0.12045486 -0.14924933
P 6.50
From 99 observations 2006 Mar. 26-2025 Dec. 30, mean residual 0".9.

414P/STEREO
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Sept. 26.31405 TT Pike
q 0.5241567 (2000.0) P Q
n 0.21123039 Peri. 210.71041 -0.27664294 -0.87902541
a 2.7923196 Node 257.81487 +0.94250345 -0.16934736
e 0.8122863 Incl. 23.40686 +0.18749916 -0.44568577
P 4.67
From 299 observations 2016 May 11-2025 Sept. 23, mean residual 1".2.

450P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 20.87246 TT Pike
q 5.4135614 (2000.0) P Q
n 0.04457669 Peri. 25.65131 -0.85614106 -0.49259495
a 7.8776654 Node 123.95374 +0.43576287 -0.85061351
e 0.3127962 Incl. 10.84830 +0.27772866 -0.18386645
P 22.1
From 691 observations 2003 Oct. 25-2025 Dec. 31, mean residual 0".7.

493P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 14.10441 TT Pike
q 3.8229418 (2000.0) P Q
n 0.05128672 Peri. 83.22392 +0.10075112 -0.99488141
a 7.1746285 Node 1.08839 +0.67216933 +0.06231666
e 0.4671582 Incl. 24.10827 +0.73351047 +0.07954634
P 19.2
From 1055 observations 2005 Sept. 23-2026 Jan. 6, mean residual 0".6.

495P/Christensen
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Oct. 22.32399 TT Pike
q 3.4598052 (2000.0) P Q
n 0.09486334 Peri. 141.33549 +0.23285124 -0.88058097
a 4.7614266 Node 291.61307 +0.74487359 +0.43435268
e 0.2733679 Incl. 26.35665 +0.62525485 -0.18951228
P 10.4
From 112 observations 2016 Jan. 2-2025 Dec. 26, mean residual 0".5.

509P/Catalina
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 19.81782 TT Pike
q 3.6928841 (2000.0) P Q
n 0.05278090 Peri. 180.09979 -0.09249791 -0.98450328
a 7.0385767 Node 275.20866 +0.91365232 -0.02443603
e 0.4753365 Incl. 8.60408 +0.39583277 -0.17365532
P 18.7
From 488 observations 2006 Oct. 19-2026 Jan. 6, mean residual 0".7.

511P/PANSTARRS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 July 11.03467 TT Pike
q 2.2959964 (2000.0) P Q
n 0.18872614 Peri. 81.22576 +0.95815526 +0.12974450
a 3.0101030 Node 271.02750 -0.22453371 +0.89354087
e 0.2372366 Incl. 14.78529 +0.17754748 +0.42982679
P 5.22
From 73 observations 2015 Dec. 12-2025 Nov. 26, mean residual 0".1.

513P/Broughton
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 June 13.77237 TT Pike
q 3.2536485 (2000.0) P Q
n 0.05043364 Peri. 304.86683 +0.95209401 +0.00048514
a 7.2553076 Node 56.99703 +0.17708047 +0.81440754
e 0.5515492 Incl. 21.38562 -0.24931808 +0.58029314
P 19.5
From 204 observations 2005 Aug. 26-2025 Dec. 26, mean residual 0".6.