Коррекция орбиты некоторых периодических комет от 15 мая ..

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Коррекция орбиты некоторых периодических комет от 15 мая 2025 года, MPEC 2025-J92

Orbital elements:
13P/Olbers
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 June 30.07111 TT Pike
q 1.1754671 (2000.0) P Q
n 0.01418159 Peri. 64.42196 -0.60856362 -0.37158204
a 16.9038713 Node 85.84672 +0.18547926 -0.92571573
e 0.9304617 Incl. 44.66591 +0.77152302 -0.07054909
P 69.5
From 2216 observations 2023 Oct. 8-2025 May 12, mean residual 0".5.
Nongravitational parameters A1 = +0.69, A2 = -0.0581.

29P/Schwassmann-Wachmann
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2019 May 2.61740 TT Pike
q 5.7941682 (2000.0) P Q
n 0.06612343 Peri. 52.12282 +0.98912697 -0.08495798
a 6.0566498 Node 312.40408 +0.01487492 +0.86986359
e 0.0433378 Incl. 9.35600 +0.14630988 +0.48592127
P 14.9
From 19437 observations 2019 Jan. 1-2025 May 14, mean residual 0".6.
Nongravitational parameters A1 = -1.46, A2 = +2.1640.

30P/Reinmuth
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Aug. 17.22408 TT Pike
q 1.8138458 (2000.0) P Q
n 0.13653304 Peri. 9.51029 -0.59678874 -0.79267082
a 3.7351744 Node 117.23348 +0.72667246 -0.59974866
e 0.5143879 Incl. 8.05325 +0.34027978 -0.10942815
P 7.22
From 1292 observations 2011 Apr. 12-2025 May 4, mean residual 0".8.

42P/Neujmin
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Jan. 14.97059 TT Pike
q 2.0294773 (2000.0) P Q
n 0.09144917 Peri. 147.13514 +0.45923581 +0.88764000
a 4.8792104 Node 150.16050 -0.82929016 +0.44236059
e 0.5840562 Incl. 3.98834 -0.31840273 +0.12811067
P 10.8
From 299 observations 1972 Apr. 17-2025 May 2, mean residual 0".7.
Nongravitational parameters A1 = +0.91, A2 = +0.1048.

47P/Ashbrook-Jackson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Oct. 27.96609 TT Pike
q 2.8074796 (2000.0) P Q
n 0.11794884 Peri. 357.90779 +0.99592122 +0.08938934
a 4.1178792 Node 356.88315 -0.07915989 +0.80041093
e 0.3182220 Incl. 13.03829 -0.04329704 +0.59274943
P 8.36
From 1321 observations 2012 Feb. 15-2025 May 13, mean residual 0".7.
Nongravitational parameters A1 = -0.09, A2 = -0.0096.

48P/Johnson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 2.63951 TT Pike
q 2.0065806 (2000.0) P Q
n 0.15057538 Peri. 216.77305 +0.82441596 +0.53002390
a 3.4991837 Node 110.06408 -0.45580929 +0.82968858
e 0.4265575 Incl. 12.20173 -0.33552379 +0.17518997
P 6.55
From 981 observations 2018 Feb. 16-2025 May 10, mean residual 0".6.
Nongravitational parameters A1 = +0.38, A2 = +0.0435.

49P/Arend-Rigaux
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 10.61182 TT Pike
q 1.4313483 (2000.0) P Q
n 0.14612116 Peri. 332.93076 -0.05190924 -0.95676839
a 3.5699378 Node 118.79103 +0.96515481 -0.12166191
e 0.5990551 Incl. 19.05941 +0.25647929 +0.26418295
P 6.75
From 4353 observations 2004 June 24-2025 May 1, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = -0.0008.

65P/Gunn
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 June 16.49579 TT Pike
q 2.9262518 (2000.0) P Q
n 0.12836228 Peri. 213.67869 +0.09226852 +0.98573464
a 3.8920443 Node 61.97596 -0.87478549 +0.14777402
e 0.2481453 Incl. 9.17542 -0.47564363 -0.08056091
P 7.68
From 3060 observations 2013 Jan. 1-2025 May 13, mean residual 0".7.
Nongravitational parameters A1 = -0.19, A2 = -0.0219.

78P/Gehrels
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 June 25.01724 TT Pike
q 2.0047914 (2000.0) P Q
n 0.13660454 Peri. 192.75195 +0.72895105 -0.68232653
a 3.7338708 Node 210.50536 +0.63725836 +0.70587846
e 0.4630796 Incl. 6.25707 +0.25006430 +0.19017386
P 7.22
From 2283 observations 2018 May 15-2025 May 9, mean residual 0".6.
Nongravitational parameters A1 = -0.83, A2 = -0.1688.

88P/Howell
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Mar. 18.79544 TT Pike
q 1.3576753 (2000.0) P Q
n 0.17984852 Peri. 235.88279 +0.38149032 +0.92216585
a 3.1083612 Node 56.66862 -0.82094556 +0.36973916
e 0.5632183 Incl. 4.38203 -0.42486883 +0.11359182
P 5.48
From 2694 observations 2015 July 7-2025 May 1, mean residual 0".8.
Nongravitational parameters A1 = +0.66, A2 = +0.0112.

195P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 5.50059 TT Pike
q 4.4406021 (2000.0) P Q
n 0.06022674 Peri. 250.58475 -0.52644591 -0.66524918
a 6.4457950 Node 243.10080 +0.80973468 -0.58215295
e 0.3110854 Incl. 36.41746 -0.25919963 -0.46748418
P 16.4
From 937 observations 1993 Feb. 26-2025 May 13, mean residual 0".6.

351P/Wiegert-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 26.17662 TT Alexandersen
q 3.1318734 (2000.0) P Q
n 0.10532234 Peri. 352.56098 +0.10673042 +0.97072490
a 4.4407439 Node 283.38615 -0.90047165 +0.00260125
e 0.2947413 Incl. 12.77881 -0.42161526 +0.24017994
P 9.36
From 57 observations 1998 Oct. 18-2016 Aug. 30, mean residual 0".5.

491P/Spacewatch-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Sept. 6.05957 TT Pike
q 3.7165067 (2000.0) P Q
n 0.08780002 Peri. 298.88899 -0.32387423 +0.93826117
a 5.0134840 Node 311.68488 -0.80144960 -0.34035070
e 0.2586978 Incl. 9.36608 -0.50277632 -0.06186585
P 11.2
From 222 observations 2013 May 4-2025 May 9, mean residual 0".6.

496P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 10.27865 TT Pike
q 1.6210382 (2000.0) P Q
n 0.06541706 Peri. 42.24582 -0.25281398 -0.94002401
a 6.1001715 Node 63.58688 +0.80517485 -0.33564960
e 0.7342635 Incl. 14.81442 +0.53644995 +0.06077996
P 15.1
From 1531 observations 2009 Oct. 14-2025 May 15, mean residual 0".5.

499P/Catalina
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 4.39180 TT Pike
q 0.9310433 (2000.0) P Q
n 0.18802954 Peri. 2.55521 -0.78392091 -0.55848727
a 3.0175327 Node 139.30955 +0.56199716 -0.82397103
e 0.6914554 Incl. 24.58222 +0.26386966 +0.09572731
P 5.24
From 462 observations 2019 Nov. 1-2025 May 12, mean residual 0".8.