Коррекция орбиты некоторых периодических комет от 7 июля ..

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Коррекция орбиты некоторых периодических комет от 7 июля 2025 года, MPEC 2025-N64

Orbital elements:
2P/Encke
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2023 Oct. 22.58179 TT Pike
q 0.3391471 (2000.0) P Q
n 0.29833626 Peri. 187.27977 -0.94609312 -0.31221906
a 2.2181897 Node 334.01441 +0.30620066 -0.77542768
e 0.8471063 Incl. 11.34369 +0.10558865 -0.54884531
P 3.30
From 3339 observations 2009 Aug. 15-2025 June 29, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.

3I/ATLAS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Oct. 29.46836 TT Pike
q 1.3574164 (2000.0) P Q
z -3.7916427 Peri. 127.98465 -0.96783601 -0.24608972
+/-0.0366438 Node 322.14973 -0.24915950 +0.90882330
e 6.1468380 Incl. 175.11225 -0.03482827 +0.33686802
From 630 observations 2025 May 22-July 6, mean residual 0".4.

13P/Olbers
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 June 30.07111 TT Pike
q 1.1754665 (2000.0) P Q
n 0.01418166 Peri. 64.42192 -0.60856340 -0.37158245
a 16.9038119 Node 85.84672 +0.18547994 -0.92571561
e 0.9304615 Incl. 44.66591 +0.77152303 -0.07054852
P 69.5
From 2224 observations 2023 Oct. 8-2025 July 5, mean residual 0".5.
Nongravitational parameters A1 = +0.71, A2 = -0.0591.

30P/Reinmuth
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 17.22400 TT Pike
q 1.8138456 (2000.0) P Q
n 0.13653304 Peri. 9.51032 -0.59678865 -0.79267088
a 3.7351743 Node 117.23344 +0.72667249 -0.59974858
e 0.5143880 Incl. 8.05325 +0.34027989 -0.10942811
P 7.22
From 1334 observations 2011 Apr. 12-2025 June 29, mean residual 0".8.

32P/Comas Sola
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Apr. 20.68016 TT Pike
q 2.0250728 (2000.0) P Q
n 0.10142526 Peri. 54.70296 -0.31950540 -0.93713919
a 4.5537790 Node 54.53206 +0.80383765 -0.34645411
e 0.5552984 Incl. 9.92017 +0.50175824 -0.04170967
P 9.72
From 3704 observations 2013 Sept. 24-2025 June 4, mean residual 0".8.
Nongravitational parameters A1 = +1.14, A2 = -0.1587.

47P/Ashbrook-Jackson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Oct. 27.96561 TT Pike
q 2.8074793 (2000.0) P Q
n 0.11794889 Peri. 357.90785 +0.99592119 +0.08938969
a 4.1178780 Node 356.88306 -0.07916038 +0.80041125
e 0.3182218 Incl. 13.03826 -0.04329697 +0.59274895
P 8.36
From 1434 observations 2012 Feb. 15-2025 July 7, mean residual 0".7.
Nongravitational parameters A1 = -0.09, A2 = -0.0095.

48P/Johnson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 2.63981 TT Pike
q 2.0065811 (2000.0) P Q
n 0.15057517 Peri. 216.77311 +0.82441657 +0.53002295
a 3.4991869 Node 110.06408 -0.45580833 +0.82968912
e 0.4265579 Incl. 12.20173 -0.33552361 +0.17519032
P 6.55
From 996 observations 2018 Feb. 16-2025 July 3, mean residual 0".6.
Nongravitational parameters A1 = +0.37, A2 = +0.0440.

65P/Gunn
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 June 16.49644 TT Pike
q 2.9262524 (2000.0) P Q
n 0.12836219 Peri. 213.67892 +0.09226978 +0.98573451
a 3.8920460 Node 61.97580 -0.87478505 +0.14777520
e 0.2481455 Incl. 9.17543 -0.47564420 -0.08056029
P 7.68
From 3154 observations 2013 Jan. 1-2025 July 5, mean residual 0".7.
Nongravitational parameters A1 = -0.20, A2 = -0.0219.

78P/Gehrels
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 June 25.01594 TT Pike
q 2.0047899 (2000.0) P Q
n 0.13660463 Peri. 192.75198 +0.72895150 -0.68232606
a 3.7338693 Node 210.50529 +0.63725795 +0.70587890
e 0.4630798 Incl. 6.25707 +0.25006402 +0.19017395
P 7.22
From 2347 observations 2018 May 15-2025 July 3, mean residual 0".6.
Nongravitational parameters A1 = -0.83, A2 = -0.1740.

93P/Lovas
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 May 2.90587 TT Pike
q 1.6886418 (2000.0) P Q
n 0.10772800 Peri. 75.01941 +0.57205384 -0.81688186
a 4.3743849 Node 339.55207 +0.64755560 +0.50508161
e 0.6139705 Incl. 12.20900 +0.50341449 +0.27856167
P 9.15
From 3422 observations 1980 Dec. 5-2025 July 4, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.

105P/Singer Brewster
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Jan. 22.75541 TT Pike
q 2.0520946 (2000.0) P Q
n 0.15226901 Peri. 46.33205 -0.52110486 +0.85280734
a 3.4731886 Node 192.39459 -0.82173371 -0.51213934
e 0.4091612 Incl. 9.16719 -0.23065871 -0.10214179
P 6.47
From 510 observations 2018 Jan. 1-2025 July 4, mean residual 0".6.
Nongravitational parameters A1 = -0.62, A2 = +0.5865.

145P/Shoemaker-Levy
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Jan. 31.90113 TT Pike
q 1.8898536 (2000.0) P Q
n 0.11740125 Peri. 10.40008 +0.79840269 -0.59564559
a 4.1306739 Node 26.77123 +0.53744461 +0.63900959
e 0.5424830 Incl. 11.27770 +0.27148931 +0.48669609
P 8.40
From 894 observations 1991 Sept. 12-2025 July 2, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = -0.0151.

162P/Siding Spring
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 May 17.81671 TT Pike
q 1.2894694 (2000.0) P Q
n 0.18128887 Peri. 357.23599 +0.87920769 -0.41307927
a 3.0918752 Node 30.87765 +0.44551778 +0.53622976
e 0.5829491 Incl. 27.55399 +0.16884238 +0.73608638
P 5.44
From 3230 observations 1990 Mar. 23-2025 June 30, mean residual 0".4.

234P/LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Oct. 23.64870 TT Pike
q 2.8208729 (2000.0) P Q
n 0.13316230 Peri. 357.43869 -0.99864010 -0.05211196
a 3.7979438 Node 179.56538 +0.05067853 -0.97717509
e 0.2572631 Incl. 11.53387 +0.01223289 -0.20594463
P 7.40
From 314 observations 2001 Dec. 26-2025 June 29, mean residual 0".7.

240P/NEAT
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 19.94245 TT Pike
q 2.1217382 (2000.0) P Q
n 0.12995497 Peri. 352.07134 +0.37992213 -0.84082693
a 3.8601792 Node 74.91174 +0.86909341 +0.18172685
e 0.4503524 Incl. 23.53714 +0.31675830 +0.50988766
P 7.58
From 91 observations 2020 Mar. 23-2025 July 7, mean residual 0".5.
Nongravitational parameters A1 = -1.44, A2 = +0.0971.

243P/NEAT
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Feb. 25.52583 TT Pike
q 2.4480533 (2000.0) P Q
n 0.13164623 Peri. 283.77007 +0.97182839 -0.19464089
a 3.8270467 Node 87.57716 +0.23224768 +0.88687064
e 0.3603284 Incl. 7.64454 -0.04013228 +0.41901717
P 7.49
From 763 observations 2003 Aug. 1-2025 July 4, mean residual 0".7.

261P/Larson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 27.39730 TT Pike
q 2.0142128 (2000.0) P Q
n 0.15118535 Peri. 67.36168 +0.99478168 +0.02568973
a 3.4897655 Node 291.05069 -0.06596913 +0.90021892
e 0.4228229 Incl. 6.07326 +0.07782979 +0.43467912
P 6.52
From 1034 observations 2005 July 3-2025 July 3, mean residual 0".8.
Nongravitational parameters A1 = +0.16, A2 = +0.0840.

299P/Catalina-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Apr. 30.03539 TT Pike
q 3.1558727 (2000.0) P Q
n 0.10719609 Peri. 323.62300 -0.56079479 +0.80778608
a 4.3888435 Node 271.58046 -0.71030407 -0.58210591
e 0.2809330 Incl. 10.46897 -0.42541431 -0.09292125
P 9.19
From 839 observations 2005 Mar. 11-2025 July 2, mean residual 0".7.

302P/Lemmon-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 9.40269 TT Pike
q 3.2886292 (2000.0) P Q
n 0.11180297 Peri. 208.62596 +0.86673181 +0.49068884
a 4.2674375 Node 121.71564 -0.43523875 +0.83164937
e 0.2293668 Incl. 6.03563 -0.24360457 +0.25996882
P 8.82
From 488 observations 2007 Aug. 16-2025 July 7, mean residual 0".6.

313P/Gibbs
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Dec. 2.72179 TT Pike
q 2.4216187 (2000.0) P Q
n 0.17517610 Peri. 254.98218 +0.98286910 -0.02040060
a 3.1633905 Node 105.92532 +0.08326147 +0.93580606
e 0.2344863 Incl. 10.98098 -0.16442582 +0.35192448
P 5.63
From 171 observations 2003 Sept. 22-2025 July 2, mean residual 0".6.

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 -0.12520564 +0.73231411
a 4.2203702 Node 115.70684 +0.73012382 -0.38878819
e 0.7362850 Incl. 132.02230 +0.67174604 +0.55907047
P 8.67
From 1196 observations 2016 Jan. 1-2025 June 24, mean residual 0".6.

351P/Wiegert-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 26.27408 TT Pike
q 3.1321845 (2000.0) P Q
n 0.10532287 Peri. 352.58860 +0.10717130 +0.97067731
a 4.4407288 Node 283.38460 -0.90047329 +0.00301388
e 0.2946688 Incl. 12.77845 -0.42149990 +0.24036738
P 9.36
From 129 observations 1998 Oct. 18-2025 July 3, mean residual 0".6.

441P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Sept. 9.40880 TT Pike
q 3.3279128 (2000.0) P Q
n 0.11732823 Peri. 178.87109 +0.79292088 +0.60874103
a 4.1323875 Node 143.58712 -0.55939581 +0.74459752
e 0.1946755 Incl. 2.57430 -0.24156326 +0.27387749
P 8.40
From 117 observations 2009 Sept. 25-2025 July 5, mean residual 0".4.

486P/Leonard
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 3.85621 TT Pike
q 2.3089728 (2000.0) P Q
n 0.14262698 Peri. 93.94710 +0.68116109 +0.73173102
a 3.6280082 Node 219.02390 -0.68609133 +0.62640073
e 0.3635701 Incl. 2.20952 -0.25553525 +0.26868539
P 6.91
From 275 observations 2018 June 8-2025 July 3, mean residual 0".7.

491P/Spacewatch-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Sept. 6.05786 TT Pike
q 3.7165003 (2000.0) P Q
n 0.08780005 Peri. 298.88897 -0.32387716 +0.93826017
a 5.0134829 Node 311.68473 -0.80144889 -0.34035320
e 0.2586989 Incl. 9.36605 -0.50277555 -0.06186726
P 11.2
From 309 observations 2013 May 4-2025 July 5, mean residual 0".6.

493P/LONEOS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Jan. 14.12445 TT Pike
q 3.8231787 (2000.0) P Q
n 0.05139131 Peri. 83.19949 +0.10084140 -0.99487106
a 7.1648914 Node 1.10949 +0.67211670 +0.06225994
e 0.4664010 Incl. 24.11298 +0.73354629 +0.07971991
P 19.2
From 213 observations 2024 Aug. 2-2025 July 3, mean residual 0".5.

496P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 10.27875 TT Pike
q 1.6210369 (2000.0) P Q
n 0.06541706 Peri. 42.24590 -0.25281558 -0.94002359
a 6.1001715 Node 63.58690 +0.80517433 -0.33565095
e 0.7342637 Incl. 14.81442 +0.53644998 +0.06077905
P 15.1
From 1627 observations 2009 Oct. 14-2025 June 28, mean residual 0".5.

502P/NEAT
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 5.11295 TT Pike
q 4.2294831 (2000.0) P Q
n 0.04356932 Peri. 37.74522 +0.52129887 +0.83038672
a 7.9986288 Node 264.48479 -0.82317422 +0.42851733
e 0.4712240 Incl. 11.39968 -0.22501486 +0.35613310
P 22.6
From 192 observations 2002 June 11-2025 July 6, mean residual 0".6.

503P/PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Nov. 5.57504 TT Pike
q 1.8972992 (2000.0) P Q
n 0.14089038 Peri. 17.95497 +0.27940388 +0.94248341
a 3.6577596 Node 268.58224 -0.90191520 +0.19207250
e 0.4812947 Incl. 10.57478 -0.32936673 +0.27355653
P 7.00
From 114 observations 2011 Mar. 26-2025 June 1, mean residual 0".4.