Коррекция орбиты некоторых периодических комет от 14 января

[Gremlin]

Коррекция орбиты некоторых периодических комет от 14 января 2023 года, MPEC 2023-A50

Orbital elements:
7P/Pons-Winnecke
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 May 26.96928 TT Rudenko
q 1.2325220 (2000.0) P Q
n 0.15653509 Peri. 172.54178 -0.06228096 +0.92288813
a 3.4097949 Node 93.32731 -0.93423167 +0.08006284
e 0.6385349 Incl. 22.37332 -0.35118695 -0.37665294
P 6.30
From 1605 observations 2002 Jan. 11-2022 Dec. 16, mean residual 0".7.
Nongravitational parameters A1 = +0.00, A2 = +0.0026.

9P/Tempel
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Mar. 5.21029 TT Rudenko
q 1.5450938 (2000.0) P Q
n 0.17619892 Peri. 179.54021 -0.37162404 +0.91281479
a 3.1511366 Node 68.63629 -0.85235430 -0.26319020
e 0.5096710 Incl. 10.47454 -0.36795071 -0.31225003
P 5.59
From 2354 observations 2015 Nov. 11-2023 Jan. 3, mean residual 0".5.
Nongravitational parameters A1 = -0.09, A2 = +0.0023.

10P/Tempel
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Mar. 24.07633 TT Rudenko
q 1.4141406 (2000.0) P Q
n 0.18398021 Peri. 195.52520 +0.68112150 +0.70856207
a 3.0616483 Node 117.81473 -0.64759764 +0.70054171
e 0.5381114 Incl. 12.03558 -0.34160034 +0.08474142
P 5.36
From 4513 observations 2003 Mar. 7-2023 Jan. 13, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.

11P/Tempel-Swift-LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Nov. 26.60287 TT Rudenko
q 1.3875245 (2000.0) P Q
n 0.16562929 Peri. 167.99192 +0.67811368 -0.70332360
a 3.2838094 Node 238.87217 +0.65200881 +0.70962724
e 0.5774650 Incl. 14.42899 +0.33918482 +0.04201292
P 5.95
From 1226 observations 2001 Aug. 1-2021 Feb. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.15, A2 = +0.0388.

19P/Borrelly
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Feb. 1.86665 TT Rudenko
q 1.3062694 (2000.0) P Q
n 0.14389610 Peri. 351.93994 +0.38671205 -0.79281739
a 3.6066448 Node 74.23275 +0.87105552 +0.14627574
e 0.6378159 Incl. 29.30601 +0.30284663 +0.59164516
P 6.85
From 2469 observations 2015 Jan. 11-2022 July 30, mean residual 0".6.
Nongravitational parameters A1 = +0.37, A2 = +0.0659.

22P/Kopff
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Mar. 18.16595 TT Rudenko
q 1.5506185 (2000.0) P Q
n 0.15441398 Peri. 163.01336 +0.23914431 +0.96838317
a 3.4409496 Node 120.77200 -0.90019069 +0.24853161
e 0.5493632 Incl. 4.74142 -0.36395979 +0.02158886
P 6.38
From 5006 observations 2008 Jan. 30-2022 Dec. 20, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0394.

28P/Neujmin
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Mar. 11.79234 TT Rudenko
q 1.5805839 (2000.0) P Q
n 0.05343051 Peri. 347.46464 +0.89889515 +0.43425869
a 6.9814107 Node 346.34138 -0.37764235 +0.70027574
e 0.7736011 Incl. 14.31082 -0.22220208 +0.56659799
P 18.4
From 933 observations 2017 Mar. 19-2023 Jan. 13, mean residual 0".3.

29P/Schwassmann-Wachmann
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2019 Apr. 22.08434 TT Rudenko
q 5.7776658 (2000.0) P Q
n 0.06626533 Peri. 51.08587 +0.99049653 -0.06693907
a 6.0480005 Node 312.39747 -0.00102427 +0.86995712
e 0.0446982 Incl. 9.36345 +0.13753392 +0.48856296
P 14.9
From 15117 observations 2018 June 18-2023 Jan. 13, mean residual 0".6.

44P/Reinmuth
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 23.03306 TT Rudenko
q 2.1122079 (2000.0) P Q
n 0.13910649 Peri. 58.04105 +0.95918324 +0.26506044
a 3.6889643 Node 286.42871 -0.28148980 +0.86162648
e 0.4274252 Incl. 5.89675 -0.02703703 +0.43283112
P 7.09
From 1697 observations 2008 July 2-2023 Jan. 9, mean residual 0".6.
Nongravitational parameters A1 = +0.00, A2 = -0.0631.

59P/Kearns-Kwee
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2018 Sept. 17.62088 TT Rudenko
q 2.3484334 (2000.0) P Q
n 0.10383106 Peri. 127.52134 +0.16057629 -0.97980478
a 4.4831629 Node 312.78968 +0.84661008 +0.19878619
e 0.4761659 Incl. 9.34442 +0.50741170 -0.02160175
P 9.49
From 1408 observations 2008 July 28-2019 Apr. 8, mean residual 0".8.

61P/Shajn-Schaldach
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 23.75705 TT Rudenko
q 2.1257813 (2000.0) P Q
n 0.13907570 Peri. 221.64363 +0.90812977 -0.41756727
a 3.6895088 Node 162.96186 +0.40644419 +0.86164974
e 0.4238308 Incl. 5.99948 +0.10051587 +0.28843943
P 7.09
From 2623 observations 2000 Apr. 22-2023 Jan. 13, mean residual 1".1.
Nongravitational parameters A1 = -0.00, A2 = -0.2704.

64P/Swift-Gehrels
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2018 Nov. 5.62345 TT Rudenko
q 1.3861780 (2000.0) P Q
n 0.10490320 Peri. 97.16393 +0.78744386 -0.60145592
a 4.4525645 Node 299.90475 +0.48611435 +0.74048232
e 0.6886787 Incl. 8.94902 +0.37897890 +0.29989451
P 9.40
From 3508 observations 2000 Dec. 22-2019 May 4, mean residual 0".5.
Nongravitational parameters A1 = -0.03, A2 = +0.0501.

65P/Gunn
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 June 17.11115 TT Rudenko
q 2.9229884 (2000.0) P Q
n 0.12850711 Peri. 213.87099 +0.09573727 +0.98540130
a 3.8891193 Node 61.98528 -0.87426876 +0.15085864
e 0.2484189 Incl. 9.17576 -0.47590809 -0.07890467
P 7.67
From 2020 observations 2013 Jan. 1-2023 Jan. 3, mean residual 0".6.
Nongravitational parameters A1 = -0.26, A2 = -0.0185.

67P/Churyumov-Gerasimenko
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Nov. 2.14601 TT Rudenko
q 1.2104426 (2000.0) P Q
n 0.15331976 Peri. 22.15099 +0.52330752 -0.85120440
a 3.4573018 Node 36.32890 +0.77135003 +0.45321699
e 0.6498881 Incl. 3.87191 +0.36217175 +0.26466095
P 6.43
From 10882 observations 1995 July 3-2022 June 1, mean residual 0".8.
Nongravitational parameters A1 = +0.08, A2 = +0.0111.

69P/Taylor
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2026 Nov. 12.81762 TT Rudenko
q 2.2765397 (2000.0) P Q
n 0.12874821 Peri. 343.39512 +0.01118854 -0.93175991
a 3.8842627 Node 104.80600 +0.95479941 -0.09785510
e 0.4139069 Incl. 22.04694 +0.29704023 +0.34963959
P 7.66
From 48 observations 2011 Oct. 28-2019 Mar. 6, mean residual 0".7.

73P/Schwassmann-Wachmann
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 25.80921 TT Rudenko
q 0.9728792 (2000.0) P Q
n 0.18114720 Peri. 199.50724 -0.02162902 +0.98296423
a 3.0934871 Node 69.59678 -0.88945850 +0.06444078
e 0.6855073 Incl. 11.22937 -0.45650384 -0.17212990
P 5.44
From 2877 observations 2016 Feb. 13-2023 Jan. 7, mean residual 0".9.

73P/Schwassmann-Wachmann BX
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 25.33905 TT Rudenko
q 0.9742006 (2000.0) P Q
n 0.17831696 Peri. 199.40178 -0.02570578 +0.98280022
a 3.1261342 Node 69.46846 -0.88944215 +0.06101967
e 0.6883689 Incl. 11.26098 -0.45632430 -0.17429952
P 5.53
From 39 observations 2022 Aug. 13-23, mean residual 0".8.

74P/Smirnova-Chernykh
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2018 Apr. 19.70461 TT Rudenko
q 4.2783156 (2000.0) P Q
n 0.09833122 Peri. 139.75703 -0.96578568 +0.24310993
a 4.6488096 Node 54.53967 -0.25717779 -0.85289843
e 0.0796965 Incl. 6.36566 -0.03343054 -0.46201930
P 10.0
From 1744 observations 2018 Jan. 1-2023 Jan. 9, mean residual 0".5.
Nongravitational parameters A1 = -2.45, A2 = -0.1781.

77P/Longmore
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 3.13061 TT Rudenko
q 2.3487628 (2000.0) P Q
n 0.14286819 Peri. 196.73434 -0.85913005 +0.50087501
a 3.6239235 Node 14.76816 -0.40958392 -0.55000052
e 0.3518729 Incl. 24.31891 -0.30681683 -0.66829908
P 6.90
From 2025 observations 1975 Aug. 11-2023 Jan. 12, mean residual 0".8.
Nongravitational parameters A1 = +0.10, A2 = -0.0482.

81P/Wild
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Dec. 15.61750 TT Rudenko
q 1.5984242 (2000.0) P Q
n 0.15352393 Peri. 41.62810 -0.99847780 -0.03885125
a 3.4542359 Node 136.09792 +0.02218592 -0.93275776
e 0.5372568 Incl. 3.23649 +0.05049613 -0.35840416
P 6.42
From 2005 observations 2014 Oct. 18-2023 Jan. 10, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = -0.0784.

94P/Russell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 21.08403 TT Rudenko
q 2.2270635 (2000.0) P Q
n 0.14991174 Peri. 92.41916 -0.95219972 -0.28800609
a 3.5095031 Node 70.85611 +0.21943977 -0.87678740
e 0.3654191 Incl. 6.18765 +0.21251326 -0.38509264
P 6.57
From 1681 observations 1984 Mar. 4-2023 Jan. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = +0.0020.

113P/Spitaler
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 June 1.51594 TT Rudenko
q 2.1419122 (2000.0) P Q
n 0.13893386 Peri. 115.54466 +0.46296040 -0.88329008
a 3.6920194 Node 306.67768 +0.77656321 +0.44440372
e 0.4198535 Incl. 5.28941 +0.42733739 +0.14934511
P 7.09
From 360 observations 2015 Jan. 19-2023 Jan. 13, mean residual 0".6.

114P/Wiseman-Skiff
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Jan. 14.49821 TT Rudenko
q 1.5749855 (2000.0) P Q
n 0.14779822 Peri. 172.74505 +0.10213869 -0.94399112
a 3.5428812 Node 271.02511 +0.89619531 +0.22421414
e 0.5554507 Incl. 18.28930 +0.43174258 -0.24209251
P 6.67
From 1906 observations 2006 July 21-2020 May 14, mean residual 0".7.

118P/Shoemaker-Levy
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 24.34895 TT Rudenko
q 1.8290091 (2000.0) P Q
n 0.16098308 Peri. 314.84282 -0.12756226 -0.98597178
a 3.3466931 Node 142.09679 +0.95223956 -0.15210501
e 0.4534877 Incl. 10.09170 +0.27743050 +0.06872934
P 6.12
From 1104 observations 2015 Sept. 15-2023 Jan. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.16, A2 = -0.0167.

119P/Parker-Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 12.06793 TT Rudenko
q 2.3276430 (2000.0) P Q
n 0.13281300 Peri. 322.08537 +0.39130511 -0.91179505
a 3.8045998 Node 104.57071 +0.87265315 +0.32468418
e 0.3882029 Incl. 7.39321 +0.29215887 +0.25141591
P 7.42
From 931 observations 2021 July 2-2023 Jan. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.98, A2 = -0.1106.

121P/Shoemaker-Holt
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 June 28.52782 TT Rudenko
q 3.7303466 (2000.0) P Q
n 0.10042854 Peri. 11.62665 -0.25898052 -0.90261065
a 4.5838593 Node 94.11510 +0.85624958 -0.37927178
e 0.1861996 Incl. 20.16499 +0.44695162 +0.20358520
P 9.81
From 118 observations 2012 Oct. 22-2023 Jan. 13, mean residual 0".3.

127P/Holt-Olmstead
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 10.40827 TT Rudenko
q 2.2111592 (2000.0) P Q
n 0.15364782 Peri. 6.26872 +0.94124365 -0.33269273
a 3.4523788 Node 13.60440 +0.29814090 +0.73770408
e 0.3595259 Incl. 14.30115 +0.15865811 +0.58745914
P 6.41
From 924 observations 2009 June 3-2023 Jan. 4, mean residual 0".8.
Nongravitational parameters A1 = -1.72, A2 = +0.0311.

157P/Tritton
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Sept. 9.82732 TT Rudenko
q 1.5718668 (2000.0) P Q
n 0.14760124 Peri. 155.07371 +0.11906537 -0.97147748
a 3.5460325 Node 287.54511 +0.87109465 +0.20132282
e 0.5567252 Incl. 12.42013 +0.47646358 -0.12530214
P 6.68
From 217 observations 2021 July 17-2022 Dec. 26, mean residual 0".7.
Nongravitational parameters A1 = -0.63, A2 = +0.2592.

158P/Kowal-LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Dec. 4.96946 TT Rudenko
q 4.8314807 (2000.0) P Q
n 0.07937470 Peri. 194.74665 +0.83850807 +0.53641180
a 5.3622615 Node 132.40347 -0.48587983 +0.81559782
e 0.0989845 Incl. 7.44991 -0.24662726 +0.21693911
P 12.4
From 1034 observations 1979 July 25-2023 Jan. 9, mean residual 0".7.

162P/Siding Spring
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Dec. 8.11287 TT Rudenko
q 1.2888892 (2000.0) P Q
n 0.18126827 Peri. 357.18876 +0.87945786 -0.41245421
a 3.0921094 Node 30.88823 +0.44523136 +0.53639035
e 0.5831683 Incl. 27.56492 +0.16829411 +0.73631985
P 5.44
From 3179 observations 1990 Mar. 23-2022 May 18, mean residual 0".4.

170P/Christensen
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 19.66676 TT Rudenko
q 2.9238059 (2000.0) P Q
n 0.11415764 Peri. 225.40204 +0.98280123 -0.15125212
a 4.2085524 Node 142.91589 +0.17438616 +0.94890793
e 0.3052704 Incl. 10.11950 -0.06075524 +0.27694139
P 8.63
From 219 observations 2021 June 30-2022 Nov. 28, mean residual 0".5.

179P/Jedicke
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 May 30.84175 TT Rudenko
q 4.1180958 (2000.0) P Q
n 0.06820703 Peri. 296.99121 +0.56067813 -0.76896003
a 5.9326667 Node 115.51428 +0.82755202 +0.50772281
e 0.3058609 Incl. 19.89757 +0.02824337 +0.38848168
P 14.5
From 399 observations 2006 Oct. 22-2023 Jan. 13, mean residual 0".6.

180P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 12.22673 TT Rudenko
q 2.5008004 (2000.0) P Q
n 0.12960696 Peri. 94.67396 -0.95726288 -0.01671024
a 3.8670861 Node 84.56837 -0.10657554 -0.90769660
e 0.3533114 Incl. 16.86026 +0.26886693 -0.41929422
P 7.60
From 831 observations 1955 May 14-2023 Jan. 13, mean residual 0".8.
Nongravitational parameters A1 = +0.26, A2 = +0.0346.

183P/Korlevic-Juric
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2027 Oct. 19.40137 TT Rudenko
q 4.1402223 (2000.0) P Q
n 0.09823921 Peri. 167.54844 -0.98829388 -0.15087603
a 4.6517120 Node 3.98780 +0.09641343 -0.73256383
e 0.1099573 Incl. 18.98057 +0.11823557 -0.66376702
P 10.0
From 539 observations 2016 Oct. 7-2019 July 6, mean residual 0".8.

195P/Hill
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 July 26.47540 TT Rudenko
q 4.4597443 (2000.0) P Q
n 0.05937149 Peri. 249.30321 -0.51219919 -0.67692611
a 6.5075483 Node 243.11397 +0.82235837 -0.56407264
e 0.3146813 Incl. 36.34653 -0.24774724 -0.47285632
P 16.6
From 304 observations 1993 Feb. 26-2023 Jan. 13, mean residual 0".7.

204P/LINEAR-NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 16.84380 TT Rudenko
q 1.8342137 (2000.0) P Q
n 0.14539803 Peri. 356.64320 -0.26155604 -0.95902126
a 3.5817645 Node 108.49739 +0.88819688 -0.28332598
e 0.4879022 Incl. 6.59604 +0.37774957 +0.00214810
P 6.78
From 1121 observations 2001 Oct. 13-2023 Jan. 13, mean residual 1".6.
Nongravitational parameters A1 = +0.58, A2 = -0.0646.

205P/Giacobini
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Jan. 13.64018 TT Rudenko
q 1.5302997 (2000.0) P Q
n 0.14785026 Peri. 154.17496 +0.89719303 +0.44163483
a 3.5420498 Node 179.60266 -0.43696093 +0.88828433
e 0.5679621 Incl. 15.30624 -0.06410785 +0.12613334
P 6.67
From 1921 observations 2008 Sept. 10-2021 Nov. 14, mean residual 1".0.
Nongravitational parameters A1 = +0.72, A2 = -0.0377.

211P/Hill
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 4.60616 TT Rudenko
q 2.3276090 (2000.0) P Q
n 0.14749111 Peri. 4.28119 -0.51758684 -0.80550363
a 3.5477975 Node 117.12998 +0.77508357 -0.58424394
e 0.3439284 Incl. 18.91928 +0.36242147 +0.09911059
P 6.68
From 746 observations 2008 Dec. 4-2023 Jan. 3, mean residual 0".8.

223P/Skiff
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2019 Jan. 28.94318 TT Rudenko
q 2.4263454 (2000.0) P Q
n 0.11622163 Peri. 37.86438 +0.89367646 -0.43649001
a 4.1585769 Node 346.76574 +0.21159236 +0.61435347
e 0.4165443 Incl. 27.02259 +0.39569062 +0.65730228
P 8.48
From 800 observations 2001 July 27-2021 Mar. 19, mean residual 0".7.
Nongravitational parameters A1 = -0.44, A2 = -0.0009.

230P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Mar. 19.38564 TT Rudenko
q 1.5689355 (2000.0) P Q
n 0.15362335 Peri. 313.46100 +0.46822133 -0.84599094
a 3.4527455 Node 106.97685 +0.86800649 +0.38635534
e 0.5455977 Incl. 15.46840 +0.16532849 +0.36746275
P 6.42
From 1484 observations 1997 Jan. 10-2022 Nov. 27, mean residual 0".5.

237P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 14.68621 TT Rudenko
q 1.9870452 (2000.0) P Q
n 0.14981622 Peri. 25.26142 -0.00071917 +0.97546688
a 3.5109946 Node 245.35909 -0.95368164 -0.06689242
e 0.4340506 Incl. 14.01643 -0.30081690 +0.20973737
P 6.58
From 545 observations 2002 June 18-2023 Jan. 7, mean residual 0".8.

244P/Scotti
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 17.46700 TT Rudenko
q 3.9204333 (2000.0) P Q
n 0.09095478 Peri. 93.13414 +0.05000220 -0.99874059
a 4.8968751 Node 353.99510 +0.89996459 +0.04684676
e 0.1994010 Incl. 2.25932 +0.43308604 +0.01796134
P 10.8
From 1656 observations 2000 Nov. 29-2023 Jan. 12, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0147.

246P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Feb. 27.10156 TT Rudenko
q 2.8676974 (2000.0) P Q
n 0.12134883 Peri. 177.89369 -0.24440547 +0.93136922
a 4.0405981 Node 77.87712 -0.89364412 -0.10832601
e 0.2902790 Incl. 16.02173 -0.37638565 -0.34758719
P 8.12
From 4897 observations 2003 Mar. 7-2023 Jan. 1, mean residual 0".6.
Nongravitational parameters A1 = +0.97, A2 = +0.4423.

257P/Catalina
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Sept. 10.58359 TT Rudenko
q 2.1459520 (2000.0) P Q
n 0.13494270 Peri. 117.76726 +0.79858950 +0.58001538
a 3.7644638 Node 207.71489 -0.59726210 +0.79668931
e 0.4299448 Incl. 20.21973 +0.07438277 +0.16990675
P 7.30
From 2167 observations 2005 Apr. 17-2021 Dec. 2, mean residual 0".6.
Nongravitational parameters A1 = -0.14, A2 = -0.0302.

263P/Gibbs
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 30.58446 TT Rudenko
q 1.2363014 (2000.0) P Q
n 0.18578719 Peri. 35.04398 -0.76107383 -0.61945412
a 3.0417642 Node 105.50998 +0.54014043 -0.76950166
e 0.5935578 Incl. 11.52175 +0.35918650 -0.15538269
P 5.31
From 277 observations 2006 Nov. 10-2023 Jan. 7, mean residual 0".6.

276P/Vorobjov
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Dec. 12.66562 TT Rudenko
q 3.8982173 (2000.0) P Q
n 0.08018151 Peri. 199.47703 +0.63748009 -0.75890347
a 5.3262298 Node 211.34607 +0.73645556 +0.65091051
e 0.2681094 Incl. 14.81131 +0.22638980 +0.01952028
P 12.3
From 236 observations 2000 Dec. 19-2022 Oct. 8, mean residual 0".4.

285P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 12.26523 TT Rudenko
q 1.7193328 (2000.0) P Q
n 0.10288128 Peri. 178.41621 +0.99740754 -0.05940255
a 4.5107126 Node 185.50688 +0.06049073 +0.99782723
e 0.6188334 Incl. 25.03813 +0.03897537 -0.02849845
P 9.58
From 1013 observations 2003 Sept. 19-2023 Jan. 1, mean residual 0".8.

287P/Christensen
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 6.04664 TT Rudenko
q 3.0342040 (2000.0) P Q
n 0.11601362 Peri. 189.11954 +0.84535983 +0.50143015
a 4.1635464 Node 139.04287 -0.47069205 +0.86224729
e 0.2712453 Incl. 16.32168 -0.25261780 +0.07139623
P 8.50
From 275 observations 2006 Aug. 30-2022 Aug. 20, mean residual 0".8.
Nongravitational parameters A1 = -4.51, A2 = +0.1795.

327P/Van Ness
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Sept. 2.36767 TT Rudenko
q 1.5560158 (2000.0) P Q
n 0.14660213 Peri. 185.01966 +0.99807354 -0.00281360
a 3.5621254 Node 173.98355 -0.01083332 +0.97572074
e 0.5631777 Incl. 36.25046 -0.06108885 -0.21900028
P 6.72
From 895 observations 2002 Aug. 17-2023 Jan. 2, mean residual 0".5.

395P/Catalina-NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Jan. 7.40860 TT Rudenko
q 4.0709647 (2000.0) P Q
n 0.05632825 Peri. 92.00576 +0.69892202 +0.71411989
a 6.7398758 Node 222.42640 -0.67713873 +0.64306625
e 0.3959882 Incl. 3.33555 -0.23019806 +0.27658377
P 17.5
From 913 observations 2005 May 12-2023 Jan. 7, mean residual 0".6.

402P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Dec. 14.78719 TT Rudenko
q 3.9380006 (2000.0) P Q
n 0.05293011 Peri. 326.75945 -0.06232952 -0.90089817
a 7.0253430 Node 123.09050 +0.99043500 -0.10891381
e 0.4394579 Incl. 30.84280 +0.12309970 +0.42014316
P 18.6
From 1926 observations 2001 Nov. 22-2023 Jan. 13, mean residual 0".8.
Nongravitational parameters A1 = +0.00, A2 = +0.0000.

404P/Bressi
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Oct. 31.79275 TT Rudenko
q 4.1332328 (2000.0) P Q
n 0.09511398 Peri. 168.88538 +0.35539855 -0.91965290
a 4.7530584 Node 260.12793 +0.84405139 +0.39257174
e 0.1304056 Incl. 9.76664 +0.40158327 -0.01122412
P 10.4
From 358 observations 2011 Oct. 24-2023 Jan. 13, mean residual 0".7.

408P/Novichonok-Gerke
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 5.22472 TT Rudenko
q 3.4676105 (2000.0) P Q
n 0.09542903 Peri. 226.48754 +0.56694300 -0.82196066
a 4.7425916 Node 189.44158 +0.81850529 +0.56954140
e 0.2688364 Incl. 19.35689 +0.09286942 -0.00180686
P 10.3
From 1298 observations 2011 Sept. 7-2023 Jan. 12, mean residual 0".6.

423P/Lemmon
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Sept. 18.75088 TT Rudenko
q 5.4195864 (2000.0) P Q
n 0.06430052 Peri. 80.31741 -0.39482872 -0.91529266
a 6.1705855 Node 33.29578 +0.77573857 -0.37858383
e 0.1217063 Incl. 8.34626 +0.49228036 -0.13752681
P 15.3
From 93 observations 2008 Feb. 8-2021 Nov. 15, mean residual 0".6.