Коррекция орбиты некоторых периодических комет от 12 сентября ..
Добавлено: 12 сен 2023 14:14Коррекция орбиты некоторых периодических комет от 12 сентября 2023 года, MPEC 2023-R153
Orbital elements:
2P/Encke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 22.52811 TT Rudenko
q 0.3396003 (2000.0) P Q
n 0.29823155 Peri. 187.28604 -0.94616120 -0.31203209
a 2.2187089 Node 334.02019 +0.30601963 -0.77555694
e 0.8469379 Incl. 11.33670 +0.10550342 -0.54876899
P 3.30
From 3330 observations 2009 Aug. 22-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = -0.0001.
9P/Tempel
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Mar. 6.54297 TT Rudenko
q 1.5468525 (2000.0) P Q
n 0.17537550 Peri. 180.16543 -0.36701637 +0.91455463
a 3.1609923 Node 68.30563 -0.85324487 -0.25820435
e 0.5106434 Incl. 10.54011 -0.37050259 -0.31132031
P 5.62
From 2372 observations 2015 Nov. 11-2023 Sept. 10, mean residual 0".5.
Nongravitational parameters A1 = -0.08, A2 = +0.0079.
12P/Pons-Brooks
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 21.13373 TT Rudenko
q 0.7808780 (2000.0) P Q
n 0.01383406 Peri. 198.98743 +0.14512211 -0.32930570
a 17.1857949 Node 255.85544 +0.98565818 +0.13020133
e 0.9545626 Incl. 74.19105 +0.08612508 -0.93520338
P 71.2
From 2892 observations 2020 June 10-2023 Sept. 11, mean residual 0".6.
13P/Olbers
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 June 30.02384 TT Rudenko
q 1.1752723 (2000.0) P Q
n 0.01418067 Peri. 64.39970 -0.60891690 -0.37150924
a 16.9045955 Node 85.87509 +0.18568523 -0.92575360
e 0.9304762 Incl. 44.64223 +0.77119466 -0.07043551
P 69.5
From 30 observations 1956 Feb. 4-2023 Sept. 10, mean residual 0".4.
Nongravitational parameters A1 = -0.41, A2 = -0.2711.
29P/Schwassmann-Wachmann
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2019 Apr. 28.45435 TT Rudenko
q 5.7814809 (2000.0) P Q
n 0.06622378 Peri. 51.58107 +0.98987833 -0.07558995
a 6.0505297 Node 312.40299 +0.00659567 +0.86993768
e 0.0444670 Incl. 9.36142 +0.14176523 +0.48733417
P 14.9
From 16565 observations 2018 June 18-2023 Sept. 11, mean residual 0".6.
30P/Reinmuth
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Aug. 17.10431 TT Rudenko
q 1.8120905 (2000.0) P Q
n 0.13639200 Peri. 9.43760 -0.59708818 -0.79246770
a 3.7377488 Node 117.32665 +0.72654531 -0.59999490
e 0.5151920 Incl. 8.05076 +0.34002589 -0.10954934
P 7.23
From 726 observations 2011 Apr. 12-2023 Sept. 11, mean residual 0".8.
32P/Comas Sola
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 20.56269 TT Rudenko
q 2.0243695 (2000.0) P Q
n 0.10124730 Peri. 54.66831 -0.31889389 -0.93734873
a 4.5591137 Node 54.52930 +0.80406298 -0.34592511
e 0.5559730 Incl. 9.91990 +0.50178621 -0.04139055
P 9.73
From 3308 observations 2004 July 20-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = -0.46, A2 = -0.0966.
41P/Tuttle-Giacobini-Kresak
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Sept. 13.72620 TT Rudenko
q 1.0506855 (2000.0) P Q
n 0.18158589 Peri. 62.22729 -0.91185100 +0.39793916
a 3.0885027 Node 140.98568 -0.40986574 -0.86861316
e 0.6598075 Incl. 9.21933 -0.02319089 -0.29522126
P 5.43
From 4457 observations 2016 Nov. 10-2023 Sept. 7, mean residual 0".5.
Nongravitational parameters A1 = +0.66, A2 = -0.0123.
48P/Johnson
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Mar. 2.54083 TT Rudenko
q 2.0060292 (2000.0) P Q
n 0.15046326 Peri. 216.76217 +0.82445627 +0.52997770
a 3.5009218 Node 110.07837 -0.45578363 +0.82971601
e 0.4269997 Incl. 12.20011 -0.33545960 +0.17519981
P 6.55
From 2263 observations 1949 Sept. 24-2023 Mar. 27, mean residual 0".8.
Nongravitational parameters A1 = +0.56, A2 = -0.0174.
49P/Arend-Rigaux
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Apr. 10.71270 TT Rudenko
q 1.4321263 (2000.0) P Q
n 0.14616343 Peri. 332.92486 -0.05181634 -0.95678938
a 3.5692494 Node 118.79183 +0.96516016 -0.12156193
e 0.5987598 Incl. 19.05587 +0.25647795 +0.26415295
P 6.74
From 3452 observations 2004 June 24-2023 Sept. 4, mean residual 0".6.
Nongravitational parameters A1 = -0.03, A2 = -0.0003.
50P/Arend
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 May 12.82730 TT Rudenko
q 1.9223064 (2000.0) P Q
n 0.11925428 Peri. 49.35898 +0.70934930 -0.70431894
a 4.0877726 Node 355.17250 +0.50646313 +0.53647513
e 0.5297423 Incl. 19.10134 +0.49022309 +0.46489706
P 8.26
From 1740 observations 1999 Aug. 3-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.22, A2 = -0.0113.
62P/Tsuchinshan
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.10305 TT Rudenko
q 1.2649144 (2000.0) P Q
n 0.15932738 Peri. 47.29262 -0.43544557 -0.89692124
a 3.3698387 Node 68.66998 +0.79990935 -0.42471655
e 0.6246365 Incl. 4.73778 +0.41295544 -0.12307779
P 6.19
From 889 observations 2017 Aug. 10-2023 Sept. 11, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = -0.1229.
71P/Clark
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Jan. 22.83644 TT Rudenko
q 1.5890989 (2000.0) P Q
n 0.17719727 Peri. 209.09825 -0.03206168 +0.98947099
a 3.1392895 Node 59.38922 -0.88236449 +0.03830645
e 0.4938030 Incl. 9.43844 -0.46947307 -0.13956999
P 5.56
From 1226 observations 2016 Feb. 12-2023 Sept. 11, mean residual 0".9.
Nongravitational parameters A1 = +2.97, A2 = -0.5063.
74P/Smirnova-Chernykh
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 May 16.89907 TT Rudenko
q 4.4834600 (2000.0) P Q
n 0.09513649 Peri. 136.93288 -0.97926586 +0.18098003
a 4.7523087 Node 53.71347 -0.20254418 -0.86633786
e 0.0565722 Incl. 6.48357 -0.00377188 -0.46551578
P 10.4
From 1751 observations 2018 Jan. 1-2023 Sept. 9, mean residual 0".5.
Nongravitational parameters A1 = -2.17, A2 = -0.3393.
77P/Longmore
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 3.06234 TT Rudenko
q 2.3486910 (2000.0) P Q
n 0.14291042 Peri. 196.71414 -0.85931252 +0.50056324
a 3.6232096 Node 14.76745 -0.40938161 -0.55015499
e 0.3517651 Incl. 24.31854 -0.30657575 -0.66840551
P 6.90
From 2666 observations 1975 Aug. 11-2023 Sept. 9, mean residual 0".8.
Nongravitational parameters A1 = +0.07, A2 = -0.0493.
103P/Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 12.51254 TT Rudenko
q 1.0640925 (2000.0) P Q
n 0.15210814 Peri. 181.30125 +0.75452969 -0.63878242
a 3.4756370 Node 219.75004 +0.60421793 +0.76567004
e 0.6938424 Incl. 13.61045 +0.25613598 +0.07554084
P 6.48
From 7341 observations 2004 Sept. 20-2023 Sept. 11, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0247.
117P/Helin-Roman-Alu
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 July 8.95390 TT Rudenko
q 3.0414843 (2000.0) P Q
n 0.11925403 Peri. 223.20623 +0.20165983 +0.97085969
a 4.0877783 Node 58.82274 -0.85237778 +0.23907454
e 0.2559566 Incl. 8.70438 -0.48247842 -0.01657779
P 8.26
From 4351 observations 2010 Nov. 3-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.41, A2 = +0.0451.
124P/Mrkos
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2026 June 23.67596 TT Rudenko
q 1.7275502 (2000.0) P Q
n 0.15925234 Peri. 185.22532 -0.99570627 +0.09256446
a 3.3708972 Node 0.10068 -0.05391780 -0.57186817
e 0.4875103 Incl. 31.50286 -0.07524555 -0.81510651
P 6.19
From 2964 observations 1991 Mar. 15-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = -0.01, A2 = -0.0006.
126P/IRAS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 5.32192 TT Rudenko
q 1.7105114 (2000.0) P Q
n 0.07363597 Peri. 356.59252 +0.99600454 +0.08522519
a 5.6373634 Node 357.87017 -0.05500784 +0.35017596
e 0.6965760 Incl. 45.87340 -0.07034985 +0.93279872
P 13.4
From 696 observations 2009 May 27-2023 Sept. 11, mean residual 0".6.
Nongravitational parameters A1 = -0.06, A2 = -0.3447.
144P/Kushida
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 25.61059 TT Rudenko
q 1.3988465 (2000.0) P Q
n 0.13135412 Peri. 216.32841 -0.15950798 -0.98530751
a 3.8327185 Node 242.92197 +0.92112401 -0.12630563
e 0.6350250 Incl. 3.93119 +0.35508838 -0.11496086
P 7.50
From 3194 observations 1994 Jan. 7-2023 Sept. 10, mean residual 0".6.
Nongravitational parameters A1 = +0.74, A2 = +0.0097.
158P/Kowal-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Feb. 23.47436 TT Rudenko
q 4.8640006 (2000.0) P Q
n 0.07714608 Peri. 205.17419 +0.90211642 +0.42023030
a 5.4650416 Node 129.61891 -0.37125114 +0.87159029
e 0.1099792 Incl. 7.30471 -0.21990579 +0.25246160
P 12.8
From 1041 observations 1979 July 24-2023 Aug. 31, mean residual 0".9.
170P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 18.93270 TT Rudenko
q 2.9233093 (2000.0) P Q
n 0.11398392 Peri. 225.31524 +0.98323454 -0.14832802
a 4.2128273 Node 142.83275 +0.17161119 +0.94934160
e 0.3060933 Incl. 10.11087 -0.06163951 +0.27703669
P 8.65
From 274 observations 2021 June 30-2023 Sept. 10, mean residual 0".5.
185P/Petriew
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 12.89703 TT Rudenko
q 0.9303000 (2000.0) P Q
n 0.18072778 Peri. 181.88635 +0.80956111 -0.57110764
a 3.0982713 Node 214.11418 +0.54171586 +0.81593278
e 0.6997358 Incl. 14.01462 +0.22617411 +0.08994311
P 5.45
From 801 observations 2007 Jan. 11-2023 Sept. 1, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = +0.0143.
195P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 July 27.68811 TT Rudenko
q 4.4538597 (2000.0) P Q
n 0.05943885 Peri. 249.52392 -0.51440457 -0.67496262
a 6.5026310 Node 243.10414 +0.82030064 -0.56711499
e 0.3150680 Incl. 36.37965 -0.24998961 -0.47202335
P 16.6
From 312 observations 1993 Feb. 26-2023 Sept. 11, mean residual 0".7.
207P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 31.80994 TT Rudenko
q 0.9381209 (2000.0) P Q
n 0.12882658 Peri. 272.98721 -0.35585980 -0.93290758
a 3.8826871 Node 198.16092 +0.91228102 -0.33396263
e 0.7583836 Incl. 10.20128 +0.20274895 -0.13473085
P 7.65
From 162 observations 2000 Oct. 7-2023 Sept. 11, mean residual 0".9.
219P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Feb. 13.77826 TT Rudenko
q 2.3548998 (2000.0) P Q
n 0.14160921 Peri. 107.61059 +0.91586688 +0.37020081
a 3.6453708 Node 230.95407 -0.40000551 +0.87456098
e 0.3540027 Incl. 11.53995 +0.03440145 +0.31320033
P 6.96
From 1075 observations 2002 June 5-2023 Sept. 10, mean residual 0".8.
Nongravitational parameters A1 = +0.66, A2 = -0.1105.
231P/LINEAR-NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2027 Aug. 6.57981 TT Rudenko
q 3.0730845 (2000.0) P Q
n 0.12085923 Peri. 44.16360 -0.98702332 -0.03894546
a 4.0515030 Node 132.91486 -0.00222650 -0.96673025
e 0.2414952 Incl. 12.28129 +0.16056153 -0.25281588
P 8.16
From 596 observations 2003 Feb. 1-2023 Sept. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.09, A2 = -0.0046.
237P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.69011 TT Rudenko
q 1.9870786 (2000.0) P Q
n 0.14986541 Peri. 25.26633 -0.00062473 +0.97546594
a 3.5102263 Node 245.35974 -0.95368785 -0.06680162
e 0.4339172 Incl. 14.01665 -0.30079744 +0.20977069
P 6.58
From 1906 observations 2002 June 18-2023 Sept. 11, mean residual 0".7.
242P/Spahr
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 24.57535 TT Rudenko
q 3.9707458 (2000.0) P Q
n 0.07602164 Peri. 245.00511 +0.41746915 -0.90868414
a 5.5187989 Node 180.37917 +0.89761089 +0.41176652
e 0.2805054 Incl. 32.49008 -0.14147154 -0.06885827
P 13.0
From 452 observations 2011 July 20-2023 Sept. 9, mean residual 0".8.
276P/Vorobjov
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 11.99359 TT Rudenko
q 3.8984353 (2000.0) P Q
n 0.08009010 Peri. 199.40803 +0.63847560 -0.75806843
a 5.3302815 Node 211.33999 +0.73561021 +0.65187418
e 0.2686249 Incl. 14.81245 +0.22633276 +0.01980666
P 12.3
From 279 observations 2000 Dec. 19-2023 Sept. 8, mean residual 0".4.
287P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 6.29523 TT Rudenko
q 3.0341867 (2000.0) P Q
n 0.11596642 Peri. 189.17199 +0.84581075 +0.50067229
a 4.1646760 Node 139.04197 -0.46991520 +0.86266717
e 0.2714471 Incl. 16.32060 -0.25255472 +0.07164225
P 8.50
From 326 observations 2006 Aug. 30-2023 Sept. 8, mean residual 0".8.
Nongravitational parameters A1 = -4.35, A2 = +0.1879.
326P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 30.44193 TT Rudenko
q 2.7696702 (2000.0) P Q
n 0.12025046 Peri. 278.64149 +0.94771125 -0.31628852
a 4.0651653 Node 99.80544 +0.30712706 +0.86778422
e 0.3186820 Incl. 2.47106 +0.08669693 +0.38329118
P 8.20
From 207 observations 1990 Sept. 24-2023 Sept. 6, mean residual 0".8.
347P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 20.04090 TT Rudenko
q 2.2125090 (2000.0) P Q
n 0.14387581 Peri. 98.43587 +0.97946504 +0.01276581
a 3.6069838 Node 261.00678 -0.08610576 +0.92888515
e 0.3866041 Incl. 11.75422 +0.18230203 +0.37014783
P 6.85
From 192 observations 2002 July 12-2023 Sept. 7, mean residual 0".6.
364P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.02139 TT Rudenko
q 0.8013507 (2000.0) P Q
n 0.20168581 Peri. 212.02796 -0.21346403 +0.96511297
a 2.8797348 Node 46.14753 -0.84612171 -0.10505239
e 0.7217276 Incl. 12.13765 -0.48837605 -0.23983526
P 4.89
From 1456 observations 2013 Feb. 1-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.01, A2 = -0.0004.
464P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Feb. 28.04990 TT Rudenko
q 3.3724240 (2000.0) P Q
n 0.09710825 Peri. 267.68214 -0.74140941 +0.60775852
a 4.6877591 Node 309.58679 -0.36759648 -0.72252487
e 0.2805893 Incl. 21.66427 -0.56141332 -0.32952601
P 10.1
From 164 observations 2012 Mar. 21-2023 Aug. 31, mean residual 0".5.
465P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 9.88064 TT Rudenko
q 2.3297128 (2000.0) P Q
n 0.06640612 Peri. 141.23295 +0.96127221 +0.06130281
a 6.0394486 Node 218.01149 -0.07541560 +0.99624565
e 0.6142507 Incl. 25.86952 +0.26508153 +0.06112750
P 14.8
From 99 observations 2009 Jan. 1-2023 Sept. 8, mean residual 0".9.
466P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 3.69425 TT Rudenko
q 2.1547347 (2000.0) P Q
n 0.12126529 Peri. 196.71381 +0.72066427 +0.66847946
a 4.0424536 Node 119.86576 -0.60936816 +0.73719558
e 0.4669735 Incl. 12.23575 -0.33062585 +0.09837629
P 8.13
From 129 observations 2015 Sept. 17-2023 Sept. 11, mean residual 0".6.
Orbital elements:
2P/Encke
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 22.52811 TT Rudenko
q 0.3396003 (2000.0) P Q
n 0.29823155 Peri. 187.28604 -0.94616120 -0.31203209
a 2.2187089 Node 334.02019 +0.30601963 -0.77555694
e 0.8469379 Incl. 11.33670 +0.10550342 -0.54876899
P 3.30
From 3330 observations 2009 Aug. 22-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = -0.0001.
9P/Tempel
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Mar. 6.54297 TT Rudenko
q 1.5468525 (2000.0) P Q
n 0.17537550 Peri. 180.16543 -0.36701637 +0.91455463
a 3.1609923 Node 68.30563 -0.85324487 -0.25820435
e 0.5106434 Incl. 10.54011 -0.37050259 -0.31132031
P 5.62
From 2372 observations 2015 Nov. 11-2023 Sept. 10, mean residual 0".5.
Nongravitational parameters A1 = -0.08, A2 = +0.0079.
12P/Pons-Brooks
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 21.13373 TT Rudenko
q 0.7808780 (2000.0) P Q
n 0.01383406 Peri. 198.98743 +0.14512211 -0.32930570
a 17.1857949 Node 255.85544 +0.98565818 +0.13020133
e 0.9545626 Incl. 74.19105 +0.08612508 -0.93520338
P 71.2
From 2892 observations 2020 June 10-2023 Sept. 11, mean residual 0".6.
13P/Olbers
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 June 30.02384 TT Rudenko
q 1.1752723 (2000.0) P Q
n 0.01418067 Peri. 64.39970 -0.60891690 -0.37150924
a 16.9045955 Node 85.87509 +0.18568523 -0.92575360
e 0.9304762 Incl. 44.64223 +0.77119466 -0.07043551
P 69.5
From 30 observations 1956 Feb. 4-2023 Sept. 10, mean residual 0".4.
Nongravitational parameters A1 = -0.41, A2 = -0.2711.
29P/Schwassmann-Wachmann
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2019 Apr. 28.45435 TT Rudenko
q 5.7814809 (2000.0) P Q
n 0.06622378 Peri. 51.58107 +0.98987833 -0.07558995
a 6.0505297 Node 312.40299 +0.00659567 +0.86993768
e 0.0444670 Incl. 9.36142 +0.14176523 +0.48733417
P 14.9
From 16565 observations 2018 June 18-2023 Sept. 11, mean residual 0".6.
30P/Reinmuth
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Aug. 17.10431 TT Rudenko
q 1.8120905 (2000.0) P Q
n 0.13639200 Peri. 9.43760 -0.59708818 -0.79246770
a 3.7377488 Node 117.32665 +0.72654531 -0.59999490
e 0.5151920 Incl. 8.05076 +0.34002589 -0.10954934
P 7.23
From 726 observations 2011 Apr. 12-2023 Sept. 11, mean residual 0".8.
32P/Comas Sola
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Apr. 20.56269 TT Rudenko
q 2.0243695 (2000.0) P Q
n 0.10124730 Peri. 54.66831 -0.31889389 -0.93734873
a 4.5591137 Node 54.52930 +0.80406298 -0.34592511
e 0.5559730 Incl. 9.91990 +0.50178621 -0.04139055
P 9.73
From 3308 observations 2004 July 20-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = -0.46, A2 = -0.0966.
41P/Tuttle-Giacobini-Kresak
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Sept. 13.72620 TT Rudenko
q 1.0506855 (2000.0) P Q
n 0.18158589 Peri. 62.22729 -0.91185100 +0.39793916
a 3.0885027 Node 140.98568 -0.40986574 -0.86861316
e 0.6598075 Incl. 9.21933 -0.02319089 -0.29522126
P 5.43
From 4457 observations 2016 Nov. 10-2023 Sept. 7, mean residual 0".5.
Nongravitational parameters A1 = +0.66, A2 = -0.0123.
48P/Johnson
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Mar. 2.54083 TT Rudenko
q 2.0060292 (2000.0) P Q
n 0.15046326 Peri. 216.76217 +0.82445627 +0.52997770
a 3.5009218 Node 110.07837 -0.45578363 +0.82971601
e 0.4269997 Incl. 12.20011 -0.33545960 +0.17519981
P 6.55
From 2263 observations 1949 Sept. 24-2023 Mar. 27, mean residual 0".8.
Nongravitational parameters A1 = +0.56, A2 = -0.0174.
49P/Arend-Rigaux
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 Apr. 10.71270 TT Rudenko
q 1.4321263 (2000.0) P Q
n 0.14616343 Peri. 332.92486 -0.05181634 -0.95678938
a 3.5692494 Node 118.79183 +0.96516016 -0.12156193
e 0.5987598 Incl. 19.05587 +0.25647795 +0.26415295
P 6.74
From 3452 observations 2004 June 24-2023 Sept. 4, mean residual 0".6.
Nongravitational parameters A1 = -0.03, A2 = -0.0003.
50P/Arend
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 May 12.82730 TT Rudenko
q 1.9223064 (2000.0) P Q
n 0.11925428 Peri. 49.35898 +0.70934930 -0.70431894
a 4.0877726 Node 355.17250 +0.50646313 +0.53647513
e 0.5297423 Incl. 19.10134 +0.49022309 +0.46489706
P 8.26
From 1740 observations 1999 Aug. 3-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.22, A2 = -0.0113.
62P/Tsuchinshan
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 25.10305 TT Rudenko
q 1.2649144 (2000.0) P Q
n 0.15932738 Peri. 47.29262 -0.43544557 -0.89692124
a 3.3698387 Node 68.66998 +0.79990935 -0.42471655
e 0.6246365 Incl. 4.73778 +0.41295544 -0.12307779
P 6.19
From 889 observations 2017 Aug. 10-2023 Sept. 11, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = -0.1229.
71P/Clark
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Jan. 22.83644 TT Rudenko
q 1.5890989 (2000.0) P Q
n 0.17719727 Peri. 209.09825 -0.03206168 +0.98947099
a 3.1392895 Node 59.38922 -0.88236449 +0.03830645
e 0.4938030 Incl. 9.43844 -0.46947307 -0.13956999
P 5.56
From 1226 observations 2016 Feb. 12-2023 Sept. 11, mean residual 0".9.
Nongravitational parameters A1 = +2.97, A2 = -0.5063.
74P/Smirnova-Chernykh
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2028 May 16.89907 TT Rudenko
q 4.4834600 (2000.0) P Q
n 0.09513649 Peri. 136.93288 -0.97926586 +0.18098003
a 4.7523087 Node 53.71347 -0.20254418 -0.86633786
e 0.0565722 Incl. 6.48357 -0.00377188 -0.46551578
P 10.4
From 1751 observations 2018 Jan. 1-2023 Sept. 9, mean residual 0".5.
Nongravitational parameters A1 = -2.17, A2 = -0.3393.
77P/Longmore
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 3.06234 TT Rudenko
q 2.3486910 (2000.0) P Q
n 0.14291042 Peri. 196.71414 -0.85931252 +0.50056324
a 3.6232096 Node 14.76745 -0.40938161 -0.55015499
e 0.3517651 Incl. 24.31854 -0.30657575 -0.66840551
P 6.90
From 2666 observations 1975 Aug. 11-2023 Sept. 9, mean residual 0".8.
Nongravitational parameters A1 = +0.07, A2 = -0.0493.
103P/Hartley
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Oct. 12.51254 TT Rudenko
q 1.0640925 (2000.0) P Q
n 0.15210814 Peri. 181.30125 +0.75452969 -0.63878242
a 3.4756370 Node 219.75004 +0.60421793 +0.76567004
e 0.6938424 Incl. 13.61045 +0.25613598 +0.07554084
P 6.48
From 7341 observations 2004 Sept. 20-2023 Sept. 11, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = +0.0247.
117P/Helin-Roman-Alu
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 July 8.95390 TT Rudenko
q 3.0414843 (2000.0) P Q
n 0.11925403 Peri. 223.20623 +0.20165983 +0.97085969
a 4.0877783 Node 58.82274 -0.85237778 +0.23907454
e 0.2559566 Incl. 8.70438 -0.48247842 -0.01657779
P 8.26
From 4351 observations 2010 Nov. 3-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.41, A2 = +0.0451.
124P/Mrkos
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2026 June 23.67596 TT Rudenko
q 1.7275502 (2000.0) P Q
n 0.15925234 Peri. 185.22532 -0.99570627 +0.09256446
a 3.3708972 Node 0.10068 -0.05391780 -0.57186817
e 0.4875103 Incl. 31.50286 -0.07524555 -0.81510651
P 6.19
From 2964 observations 1991 Mar. 15-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = -0.01, A2 = -0.0006.
126P/IRAS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 5.32192 TT Rudenko
q 1.7105114 (2000.0) P Q
n 0.07363597 Peri. 356.59252 +0.99600454 +0.08522519
a 5.6373634 Node 357.87017 -0.05500784 +0.35017596
e 0.6965760 Incl. 45.87340 -0.07034985 +0.93279872
P 13.4
From 696 observations 2009 May 27-2023 Sept. 11, mean residual 0".6.
Nongravitational parameters A1 = -0.06, A2 = -0.3447.
144P/Kushida
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 25.61059 TT Rudenko
q 1.3988465 (2000.0) P Q
n 0.13135412 Peri. 216.32841 -0.15950798 -0.98530751
a 3.8327185 Node 242.92197 +0.92112401 -0.12630563
e 0.6350250 Incl. 3.93119 +0.35508838 -0.11496086
P 7.50
From 3194 observations 1994 Jan. 7-2023 Sept. 10, mean residual 0".6.
Nongravitational parameters A1 = +0.74, A2 = +0.0097.
158P/Kowal-LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2022 Feb. 23.47436 TT Rudenko
q 4.8640006 (2000.0) P Q
n 0.07714608 Peri. 205.17419 +0.90211642 +0.42023030
a 5.4650416 Node 129.61891 -0.37125114 +0.87159029
e 0.1099792 Incl. 7.30471 -0.21990579 +0.25246160
P 12.8
From 1041 observations 1979 July 24-2023 Aug. 31, mean residual 0".9.
170P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Apr. 18.93270 TT Rudenko
q 2.9233093 (2000.0) P Q
n 0.11398392 Peri. 225.31524 +0.98323454 -0.14832802
a 4.2128273 Node 142.83275 +0.17161119 +0.94934160
e 0.3060933 Incl. 10.11087 -0.06163951 +0.27703669
P 8.65
From 274 observations 2021 June 30-2023 Sept. 10, mean residual 0".5.
185P/Petriew
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 12.89703 TT Rudenko
q 0.9303000 (2000.0) P Q
n 0.18072778 Peri. 181.88635 +0.80956111 -0.57110764
a 3.0982713 Node 214.11418 +0.54171586 +0.81593278
e 0.6997358 Incl. 14.01462 +0.22617411 +0.08994311
P 5.45
From 801 observations 2007 Jan. 11-2023 Sept. 1, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = +0.0143.
195P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2025 July 27.68811 TT Rudenko
q 4.4538597 (2000.0) P Q
n 0.05943885 Peri. 249.52392 -0.51440457 -0.67496262
a 6.5026310 Node 243.10414 +0.82030064 -0.56711499
e 0.3150680 Incl. 36.37965 -0.24998961 -0.47202335
P 16.6
From 312 observations 1993 Feb. 26-2023 Sept. 11, mean residual 0".7.
207P/NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Jan. 31.80994 TT Rudenko
q 0.9381209 (2000.0) P Q
n 0.12882658 Peri. 272.98721 -0.35585980 -0.93290758
a 3.8826871 Node 198.16092 +0.91228102 -0.33396263
e 0.7583836 Incl. 10.20128 +0.20274895 -0.13473085
P 7.65
From 162 observations 2000 Oct. 7-2023 Sept. 11, mean residual 0".9.
219P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Feb. 13.77826 TT Rudenko
q 2.3548998 (2000.0) P Q
n 0.14160921 Peri. 107.61059 +0.91586688 +0.37020081
a 3.6453708 Node 230.95407 -0.40000551 +0.87456098
e 0.3540027 Incl. 11.53995 +0.03440145 +0.31320033
P 6.96
From 1075 observations 2002 June 5-2023 Sept. 10, mean residual 0".8.
Nongravitational parameters A1 = +0.66, A2 = -0.1105.
231P/LINEAR-NEAT
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2027 Aug. 6.57981 TT Rudenko
q 3.0730845 (2000.0) P Q
n 0.12085923 Peri. 44.16360 -0.98702332 -0.03894546
a 4.0515030 Node 132.91486 -0.00222650 -0.96673025
e 0.2414952 Incl. 12.28129 +0.16056153 -0.25281588
P 8.16
From 596 observations 2003 Feb. 1-2023 Sept. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.09, A2 = -0.0046.
237P/LINEAR
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.69011 TT Rudenko
q 1.9870786 (2000.0) P Q
n 0.14986541 Peri. 25.26633 -0.00062473 +0.97546594
a 3.5102263 Node 245.35974 -0.95368785 -0.06680162
e 0.4339172 Incl. 14.01665 -0.30079744 +0.20977069
P 6.58
From 1906 observations 2002 June 18-2023 Sept. 11, mean residual 0".7.
242P/Spahr
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 24.57535 TT Rudenko
q 3.9707458 (2000.0) P Q
n 0.07602164 Peri. 245.00511 +0.41746915 -0.90868414
a 5.5187989 Node 180.37917 +0.89761089 +0.41176652
e 0.2805054 Incl. 32.49008 -0.14147154 -0.06885827
P 13.0
From 452 observations 2011 July 20-2023 Sept. 9, mean residual 0".8.
276P/Vorobjov
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2024 Dec. 11.99359 TT Rudenko
q 3.8984353 (2000.0) P Q
n 0.08009010 Peri. 199.40803 +0.63847560 -0.75806843
a 5.3302815 Node 211.33999 +0.73561021 +0.65187418
e 0.2686249 Incl. 14.81245 +0.22633276 +0.01980666
P 12.3
From 279 observations 2000 Dec. 19-2023 Sept. 8, mean residual 0".4.
287P/Christensen
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 6.29523 TT Rudenko
q 3.0341867 (2000.0) P Q
n 0.11596642 Peri. 189.17199 +0.84581075 +0.50067229
a 4.1646760 Node 139.04197 -0.46991520 +0.86266717
e 0.2714471 Incl. 16.32060 -0.25255472 +0.07164225
P 8.50
From 326 observations 2006 Aug. 30-2023 Sept. 8, mean residual 0".8.
Nongravitational parameters A1 = -4.35, A2 = +0.1879.
326P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Dec. 30.44193 TT Rudenko
q 2.7696702 (2000.0) P Q
n 0.12025046 Peri. 278.64149 +0.94771125 -0.31628852
a 4.0651653 Node 99.80544 +0.30712706 +0.86778422
e 0.3186820 Incl. 2.47106 +0.08669693 +0.38329118
P 8.20
From 207 observations 1990 Sept. 24-2023 Sept. 6, mean residual 0".8.
347P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 July 20.04090 TT Rudenko
q 2.2125090 (2000.0) P Q
n 0.14387581 Peri. 98.43587 +0.97946504 +0.01276581
a 3.6069838 Node 261.00678 -0.08610576 +0.92888515
e 0.3866041 Incl. 11.75422 +0.18230203 +0.37014783
P 6.85
From 192 observations 2002 July 12-2023 Sept. 7, mean residual 0".6.
364P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 14.02139 TT Rudenko
q 0.8013507 (2000.0) P Q
n 0.20168581 Peri. 212.02796 -0.21346403 +0.96511297
a 2.8797348 Node 46.14753 -0.84612171 -0.10505239
e 0.7217276 Incl. 12.13765 -0.48837605 -0.23983526
P 4.89
From 1456 observations 2013 Feb. 1-2023 Sept. 11, mean residual 0".7.
Nongravitational parameters A1 = +0.01, A2 = -0.0004.
464P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 Feb. 28.04990 TT Rudenko
q 3.3724240 (2000.0) P Q
n 0.09710825 Peri. 267.68214 -0.74140941 +0.60775852
a 4.6877591 Node 309.58679 -0.36759648 -0.72252487
e 0.2805893 Incl. 21.66427 -0.56141332 -0.32952601
P 10.1
From 164 observations 2012 Mar. 21-2023 Aug. 31, mean residual 0".5.
465P/Hill
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 9.88064 TT Rudenko
q 2.3297128 (2000.0) P Q
n 0.06640612 Peri. 141.23295 +0.96127221 +0.06130281
a 6.0394486 Node 218.01149 -0.07541560 +0.99624565
e 0.6142507 Incl. 25.86952 +0.26508153 +0.06112750
P 14.8
From 99 observations 2009 Jan. 1-2023 Sept. 8, mean residual 0".9.
466P/PANSTARRS
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5
T 2023 May 3.69425 TT Rudenko
q 2.1547347 (2000.0) P Q
n 0.12126529 Peri. 196.71381 +0.72066427 +0.66847946
a 4.0424536 Node 119.86576 -0.60936816 +0.73719558
e 0.4669735 Incl. 12.23575 -0.33062585 +0.09837629
P 8.13
From 129 observations 2015 Sept. 17-2023 Sept. 11, mean residual 0".6.