Коррекция орбиты некоторых периодических комет от 17 апреля ..

[Gremlin]

Коррекция орбиты некоторых периодических комет от 17 апреля 2025 года, MPEC 2025-H10

Orbital elements:
13P/Olbers
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 June 30.07111 TT Pike
q 1.1754682 (2000.0) P Q
n 0.01418156 Peri. 64.42206 -0.60856407 -0.37158113
a 16.9038930 Node 85.84671 +0.18547773 -0.92571600
e 0.9304617 Incl. 44.66592 +0.77152303 -0.07055036
P 69.5
From 2182 observations 2023 Oct. 8-2025 Apr. 16, mean residual 0".5.
Nongravitational parameters A1 = +0.67, A2 = -0.0581.

29P/Schwassmann-Wachmann
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2019 May 2.62728 TT Pike
q 5.7941752 (2000.0) P Q
n 0.06612334 Peri. 52.12361 +0.98912578 -0.08497188
a 6.0566551 Node 312.40409 +0.01488716 +0.86986337
e 0.0433374 Incl. 9.35600 +0.14631668 +0.48591923
P 14.9
From 19151 observations 2019 Jan. 1-2025 Apr. 16, mean residual 0".6.
Nongravitational parameters A1 = -1.54, A2 = +2.2315.

47P/Ashbrook-Jackson
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Oct. 27.96643 TT Pike
q 2.8074798 (2000.0) P Q
n 0.11794880 Peri. 357.90777 +0.99592124 +0.08938911
a 4.1178800 Node 356.88318 -0.07915962 +0.80041081
e 0.3182220 Incl. 13.03830 -0.04329702 +0.59274963
P 8.36
From 1283 observations 2012 Feb. 15-2025 Apr. 16, mean residual 0".7.
Nongravitational parameters A1 = -0.10, A2 = -0.0097.

49P/Arend-Rigaux
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Apr. 10.61194 TT Pike
q 1.4313485 (2000.0) P Q
n 0.14612114 Peri. 332.93078 -0.05190962 -0.95676837
a 3.5699381 Node 118.79104 +0.96515477 -0.12166228
e 0.5990551 Incl. 19.05942 +0.25647936 +0.26418286
P 6.75
From 4319 observations 2004 June 24-2025 Apr. 14, 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 16.49421 TT Pike
q 2.9262504 (2000.0) P Q
n 0.12836249 Peri. 213.67836 +0.09226534 +0.98573494
a 3.8920400 Node 61.97610 -0.87478619 +0.14777114
e 0.2481448 Incl. 9.17540 -0.47564296 -0.08056250
P 7.68
From 2985 observations 2013 Jan. 1-2025 Apr. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.17, A2 = -0.0219.

88P/Howell
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2026 Mar. 18.79540 TT Pike
q 1.3576750 (2000.0) P Q
n 0.17984854 Peri. 235.88276 +0.38149026 +0.92216588
a 3.1083609 Node 56.66866 -0.82094564 +0.36973908
e 0.5632183 Incl. 4.38202 -0.42486872 +0.11359181
P 5.48
From 2661 observations 2015 July 7-2025 Apr. 17, mean residual 0".8.
Nongravitational parameters A1 = +0.67, A2 = +0.0113.

195P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Aug. 5.50058 TT Pike
q 4.4406020 (2000.0) P Q
n 0.06022674 Peri. 250.58475 -0.52644593 -0.66524919
a 6.4457950 Node 243.10080 +0.80973468 -0.58215296
e 0.3110854 Incl. 36.41746 -0.25919960 -0.46748417
P 16.4
From 928 observations 1993 Feb. 26-2025 Apr. 15, mean residual 0".6.

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 21-2025 Apr. 14, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0030.

242P/Spahr
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 Dec. 23.32499 TT Pike
q 3.9716506 (2000.0) P Q
n 0.07563053 Peri. 244.96157 +0.41976883 -0.90762783
a 5.5378086 Node 180.25868 +0.89665435 +0.41427721
e 0.2828119 Incl. 32.42355 -0.14073061 -0.06772091
P 13.0
From 1078 observations 2011 July 20-2025 Apr. 10, mean residual 0".7.

472P/NEAT-LINEAR
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2024 July 14.31541 TT Pike
q 3.3878184 (2000.0) P Q
n 0.04536299 Peri. 218.85321 +0.43195052 -0.89816901
a 7.7863682 Node 205.86429 +0.86724572 +0.43857373
e 0.5649039 Incl. 10.82385 +0.24759567 +0.03074924
P 21.7
From 1337 observations 2002 Sept. 15-2025 Apr. 15, mean residual 0".7.

496P/Hill
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 10.27851 TT Pike
q 1.6210411 (2000.0) P Q
n 0.06541706 Peri. 42.24566 -0.25281086 -0.94002480
a 6.1001715 Node 63.58685 +0.80517579 -0.33564705
e 0.7342630 Incl. 14.81444 +0.53645001 +0.06078182
P 15.1
From 1404 observations 2009 Oct. 14-2025 Apr. 15, mean residual 0".5.

497P/Spacewatch-PANSTARRS
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Feb. 15.34115 TT Pike
q 2.0751553 (2000.0) P Q
n 0.07404491 Peri. 32.40884 +0.30167692 -0.94615992
a 5.6165883 Node 40.37771 +0.83156868 +0.20091420
e 0.6305310 Incl. 10.43700 +0.46635240 +0.25380088
P 13.3
From 176 observations 2011 Oct. 24-2025 Apr. 9, mean residual 0".6.

499P/Catalina
Epoch 2025 May 5.0 TT = JDT 2460800.5
T 2025 Mar. 4.39180 TT Pike
q 0.9310435 (2000.0) P Q
n 0.18802954 Peri. 2.55522 -0.78392036 -0.55848767
a 3.0175328 Node 139.30949 +0.56199776 -0.82397065
e 0.6914554 Incl. 24.58226 +0.26387003 +0.09572822
P 5.24
From 411 observations 2019 Nov. 1-2025 Apr. 16, mean residual 0".8.