Коррекция орбиты некоторых периодических комет от 4 мая (I)

[Gremlin]

Коррекция орбиты некоторых периодических комет от 4 мая 2023 года, MPEC 2023-J29

Orbital elements:
9P/Tempel
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Mar. 5.21029 TT Rudenko
q 1.5450937 (2000.0) P Q
n 0.17619892 Peri. 179.54021 -0.37162405 +0.91281478
a 3.1511366 Node 68.63629 -0.85235430 -0.26319021
e 0.5096710 Incl. 10.47454 -0.36795071 -0.31225004
P 5.59
From 2365 observations 2015 Nov. 11-2023 Jan. 3, mean residual 0".5.
Nongravitational parameters A1 = -0.09, A2 = +0.0024.

12P/Pons-Brooks
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 21.15830 TT Rudenko
q 0.7811619 (2000.0) P Q
n 0.01384347 Peri. 198.98244 +0.14530313 -0.32940820
a 17.1780040 Node 255.84472 +0.98562459 +0.13035150
e 0.9545255 Incl. 74.18664 +0.08620426 -0.93514637
P 71.2
From 258 observations 2020 June 10-2023 May 2, mean residual 0".8.

17P/Holmes
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Feb. 19.94791 TT Rudenko
q 2.0829513 (2000.0) P Q
n 0.14203565 Peri. 24.56677 +0.97571860 +0.12574340
a 3.6380708 Node 326.62789 -0.21176821 +0.75064898
e 0.4274572 Incl. 19.02760 +0.05592354 +0.64862525
P 6.94
From 2249 observations 2011 Jan. 5-2023 Jan. 22, mean residual 0".7.

19P/Borrelly
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Feb. 1.86622 TT Rudenko
q 1.3062631 (2000.0) P Q
n 0.14390800 Peri. 351.93961 +0.38671487 -0.79281600
a 3.6064459 Node 74.23286 +0.87105533 +0.14627950
e 0.6377977 Incl. 29.30599 +0.30284355 +0.59164609
P 6.85
From 2500 observations 2015 Jan. 11-2023 Apr. 27, mean residual 0".6.
Nongravitational parameters A1 = +0.37, A2 = -0.0732.

29P/Schwassmann-Wachmann
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2019 Apr. 22.08556 TT Rudenko
q 5.7776654 (2000.0) P Q
n 0.06626540 Peri. 51.08603 +0.99049642 -0.06694057
a 6.0479960 Node 312.39740 -0.00102296 +0.86995721
e 0.0446975 Incl. 9.36345 +0.13753473 +0.48856259
P 14.9
From 16347 observations 2018 June 18-2023 May 3, mean residual 0".6.

32P/Comas Sola
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 20.38971 TT Rudenko
q 2.0196811 (2000.0) P Q
n 0.10133232 Peri. 54.77767 -0.32167809 -0.93640500
a 4.5565633 Node 54.58883 +0.80317271 -0.34829725
e 0.5567534 Incl. 9.90863 +0.50143475 -0.04283334
P 9.73
From 3231 observations 2004 July 20-2016 June 8, mean residual 0".7.
Nongravitational parameters A1 = -0.56, A2 = -0.4150.

33P/Daniel
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Nov. 11.61719 TT Rudenko
q 2.2410882 (2000.0) P Q
n 0.11923303 Peri. 20.45745 +0.08048867 -0.93426853
a 4.0882584 Node 66.29985 +0.85363623 -0.11531498
e 0.4518233 Incl. 22.29416 +0.51461321 +0.33740889
P 8.27
From 468 observations 1999 Nov. 13-2017 Mar. 30, mean residual 0".9.
Nongravitational parameters A1 = +0.33, A2 = +0.0477.

41P/Tuttle-Giacobini-Kresak
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Sept. 13.59951 TT Rudenko
q 1.0501597 (2000.0) P Q
n 0.18162575 Peri. 62.20859 -0.91196116 +0.39768377
a 3.0880508 Node 140.98825 -0.40962642 -0.86873408
e 0.6599280 Incl. 9.22089 -0.02308774 -0.29520960
P 5.43
From 4443 observations 2016 Nov. 10-2017 July 30, mean residual 0".5.
Nongravitational parameters A1 = +0.65, A2 = -0.0358.

43P/Wolf-Harrington
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Aug. 13.86097 TT Rudenko
q 2.4475782 (2000.0) P Q
n 0.10948376 Peri. 224.25278 -0.30556288 -0.94090745
a 4.3274916 Node 244.04125 +0.91247292 -0.24553641
e 0.4344118 Incl. 9.34712 +0.27207443 -0.23324889
P 9.00
From 985 observations 2016 July 3-2017 June 10, mean residual 0".6.
Nongravitational parameters A1 = +0.15, A2 = +0.5176.

44P/Reinmuth
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 23.03325 TT Rudenko
q 2.1122081 (2000.0) P Q
n 0.13910649 Peri. 58.04102 +0.95918349 +0.26505956
a 3.6889644 Node 286.42879 -0.28148900 +0.86162668
e 0.4274252 Incl. 5.89676 -0.02703669 +0.43283126
P 7.09
From 1822 observations 2008 July 2-2023 Mar. 19, mean residual 0".7.
Nongravitational parameters A1 = -0.01, A2 = -0.0632.

46P/Wirtanen
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 May 19.15598 TT Rudenko
q 1.0550815 (2000.0) P Q
n 0.18135988 Peri. 356.32571 +0.19824644 -0.95916929
a 3.0910681 Node 82.16209 +0.90438308 +0.09966047
e 0.6586677 Incl. 11.74910 +0.37787511 +0.26469238
P 5.43
From 6516 observations 2008 Jan. 1-2019 July 3, mean residual 0".8.
Nongravitational parameters A1 = +0.38, A2 = -0.1551.

47P/Ashbrook-Jackson
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Oct. 27.30282 TT Rudenko
q 2.8081787 (2000.0) P Q
n 0.11777782 Peri. 357.75881 +0.99574277 +0.09137420
a 4.1218645 Node 356.91883 -0.08067116 +0.80023448
e 0.3187115 Incl. 13.04025 -0.04459259 +0.59268502
P 8.37
From 1285 observations 2012 Feb. 15-2023 Apr. 24, mean residual 0".6.
Nongravitational parameters A1 = -0.56, A2 = +0.0176.

49P/Arend-Rigaux
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Apr. 10.84576 TT Rudenko
q 1.4327520 (2000.0) P Q
n 0.14615466 Peri. 332.92098 -0.05173949 -0.95680708
a 3.5693923 Node 118.79155 +0.96516276 -0.12148081
e 0.5986006 Incl. 19.05269 +0.25648368 +0.26412615
P 6.74
From 3403 observations 2004 June 24-2020 July 20, mean residual 0".6.
Nongravitational parameters A1 = -0.04, A2 = -0.0003.

51P/Harrington
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 1.28539 TT Rudenko
q 1.6925651 (2000.0) P Q
n 0.13806420 Peri. 269.25944 +0.98792466 +0.12317193
a 3.7075071 Node 83.66204 -0.07499440 +0.91098124
e 0.5434762 Incl. 5.42628 -0.13557545 +0.39362654
P 7.14
From 832 observations 2008 July 28-2022 Nov. 21, mean residual 0".9.

51P/Harrington D
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 1.70846 TT Rudenko
q 1.6922490 (2000.0) P Q
n 0.13804373 Peri. 269.27774 +0.98793806 +0.12305964
a 3.7078736 Node 83.65030 -0.07488567 +0.91098209
e 0.5436066 Incl. 5.42676 -0.13553789 +0.39365970
P 7.14
From 143 observations 2015 May 30-2022 Nov. 21, mean residual 0".9.
Nongravitational parameters A1 = -0.17, A2 = -0.0018.

52P/Harrington-Abell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Oct. 5.19391 TT Rudenko
q 1.7761933 (2000.0) P Q
n 0.12977468 Peri. 139.55986 -0.44849744 -0.89104720
a 3.8637534 Node 336.82759 +0.76736075 -0.34378537
e 0.5402933 Incl. 10.23101 +0.45826578 -0.29638910
P 7.59
From 1672 observations 1983 Sept. 18-2022 May 26, mean residual 0".7.
Nongravitational parameters A1 = -0.15, A2 = +0.0084.

53P/Van Biesbroeck
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2028 Dec. 26.32484 TT Rudenko
q 2.4418525 (2000.0) P Q
n 0.07784173 Peri. 134.49533 +0.23279596 +0.97069908
a 5.4324332 Node 148.82191 -0.92174287 +0.23976224
e 0.5505048 Incl. 6.60817 -0.31015501 +0.01604260
P 12.7
From 2992 observations 2001 Feb. 20-2018 Feb. 3, mean residual 0".6.
Nongravitational parameters A1 = -0.26, A2 = +0.2592.

56P/Slaughter-Burnham
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2027 Dec. 18.16452 TT Rudenko
q 2.4898478 (2000.0) P Q
n 0.08643496 Peri. 44.04610 +0.86408805 -0.50216501
a 5.0661313 Node 345.98052 +0.41359531 +0.74729335
e 0.5085307 Incl. 8.15942 +0.28686366 +0.43518152
P 11.4
From 2046 observations 2004 July 15-2018 Jan. 23, mean residual 0".6.
Nongravitational parameters A1 = -3.84, A2 = +1.9685.

58P/Jackson-Neujmin
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 May 27.70993 TT Rudenko
q 1.3787689 (2000.0) P Q
n 0.11924598 Peri. 200.52341 +0.99671155 -0.00164480
a 4.0879622 Node 159.07135 +0.01731069 +0.98103553
e 0.6627247 Incl. 13.10884 -0.07916074 +0.19382102
P 8.27
From 148 observations 2020 Apr. 9-Nov. 23, mean residual 0".9.
Nongravitational parameters A1 = +1.41, A2 = -0.6523.

61P/Shajn-Schaldach
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 23.75731 TT Rudenko
q 2.1257814 (2000.0) P Q
n 0.13907569 Peri. 221.64366 +0.90812904 -0.41756887
a 3.6895089 Node 162.96193 +0.40644571 +0.86164909
e 0.4238308 Incl. 5.99949 +0.10051636 +0.28843905
P 7.09
From 2669 observations 2000 Apr. 22-2023 Feb. 23, mean residual 1".1.
Nongravitational parameters A1 = -0.02, A2 = -0.2704.

62P/Tsuchinshan
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Dec. 25.21318 TT Rudenko
q 1.2636447 (2000.0) P Q
n 0.15931859 Peri. 47.28330 -0.43612909 -0.89658698
a 3.3699626 Node 68.72289 +0.79961040 -0.42534514
e 0.6250271 Incl. 4.73758 +0.41281307 -0.12334219
P 6.19
From 873 observations 2017 Aug. 10-2018 May 15, mean residual 0".6.
Nongravitational parameters A1 = +0.17, A2 = -0.0534.

65P/Gunn
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 June 17.10511 TT Rudenko
q 2.9229820 (2000.0) P Q
n 0.12850747 Peri. 213.87085 +0.09573452 +0.98540154
a 3.8891122 Node 61.98525 -0.87426908 +0.15085632
e 0.2484192 Incl. 9.17578 -0.47590806 -0.07890615
P 7.67
From 2167 observations 2013 Jan. 1-2023 Apr. 25, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0208.

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 36.32891 +0.77135003 +0.45321700
e 0.6498881 Incl. 3.87191 +0.36217175 +0.26466095
P 6.43
From 10887 observations 1995 July 3-2023 Apr. 26, mean residual 0".8.
Nongravitational parameters A1 = +0.08, A2 = +0.0111.

71P/Clark
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 22.78101 TT Rudenko
q 1.5888209 (2000.0) P Q
n 0.17729708 Peri. 209.05969 -0.03265095 +0.98945143
a 3.1381112 Node 59.39360 -0.88239353 +0.03778002
e 0.4937015 Incl. 9.43814 -0.46937786 -0.13985187
P 5.56
From 1086 observations 2016 Feb. 12-2023 May 2, mean residual 0".7.
Nongravitational parameters A1 = +3.09, A2 = +0.3682.

73P/Schwassmann-Wachmann
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 25.80920 TT Rudenko
q 0.9728792 (2000.0) P Q
n 0.18114720 Peri. 199.50723 -0.02162905 +0.98296423
a 3.0934871 Node 69.59678 -0.88945851 +0.06444076
e 0.6855073 Incl. 11.22937 -0.45650382 -0.17212991
P 5.44
From 2899 observations 2016 Feb. 13-2023 Feb. 16, mean residual 0".9.

73P/Schwassmann-Wachmann T
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 24.61065 TT Rudenko
q 0.9727650 (2000.0) P Q
n 0.18125569 Peri. 199.48760 -0.02187960 +0.98294633
a 3.0922525 Node 69.60197 -0.88947245 +0.06424558
e 0.6854186 Incl. 11.23314 -0.45646472 -0.17230499
P 5.44
From 43 observations 2006 Mar. 23-2017 May 31, mean residual 2".2.

74P/Smirnova-Chernykh
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2018 Apr. 19.70360 TT Rudenko
q 4.2783134 (2000.0) P Q
n 0.09833128 Peri. 139.75686 -0.96578639 +0.24310710
a 4.6488077 Node 54.53967 -0.25717530 -0.85289918
e 0.0796966 Incl. 6.36566 -0.03342917 -0.46201941
P 10.0
From 1747 observations 2018 Jan. 1-2023 Jan. 9, mean residual 0".5.
Nongravitational parameters A1 = -2.44, A2 = -0.1831.

77P/Longmore
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 3.13102 TT Rudenko
q 2.3487632 (2000.0) P Q
n 0.14286817 Peri. 196.73450 -0.85912958 +0.50087592
a 3.6239239 Node 14.76806 -0.40958384 -0.54999955
e 0.3518729 Incl. 24.31896 -0.30681825 -0.66829919
P 6.90
From 2433 observations 1975 Aug. 11-2023 May 1, mean residual 0".8.
Nongravitational parameters A1 = +0.07, A2 = -0.0476.

80P/Peters-Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Dec. 8.84450 TT Rudenko
q 1.6153478 (2000.0) P Q
n 0.12214290 Peri. 339.24231 -0.46796761 +0.73482842
a 4.0230666 Node 259.79589 -0.72410359 -0.63730045
e 0.5984785 Incl. 29.92341 -0.50663627 +0.23211060
P 8.07
From 54 observations 2014 June 22-2023 May 2, mean residual 0".8.
Nongravitational parameters A1 = +0.85, A2 = -0.2451.

81P/Wild
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Dec. 15.61445 TT Rudenko
q 1.5984344 (2000.0) P Q
n 0.15351182 Peri. 41.62503 -0.99847653 -0.03888595
a 3.4544176 Node 136.09900 +0.02221904 -0.93275675
e 0.5372782 Incl. 3.23639 +0.05050671 -0.35840302
P 6.42
From 2313 observations 2014 Oct. 18-2023 May 3, mean residual 0".7.
Nongravitational parameters A1 = +0.33, A2 = +0.2341.

88P/Howell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Sept. 26.16283 TT Rudenko
q 1.3555046 (2000.0) P Q
n 0.18003055 Peri. 235.93908 +0.38240771 +0.92178572
a 3.1062655 Node 56.66934 -0.82057723 +0.37055636
e 0.5636224 Incl. 4.38207 -0.42475565 +0.11401344
P 5.47
From 3619 observations 2008 Dec. 30-2022 Mar. 3, mean residual 0".8.
Nongravitational parameters A1 = +1.12, A2 = +0.0191.

89P/Russell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Mar. 26.55865 TT Rudenko
q 2.2216348 (2000.0) P Q
n 0.13553972 Peri. 250.39778 +0.35671036 +0.92394239
a 3.7534012 Node 41.34698 -0.75947967 +0.37292111
e 0.4081009 Incl. 12.07182 -0.54401135 +0.08520744
P 7.27
From 214 observations 1980 Sept. 28-2023 Apr. 18, mean residual 0".8.
Nongravitational parameters A1 = +0.87, A2 = -0.0349.

94P/Russell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 21.08316 TT Rudenko
q 2.2270635 (2000.0) P Q
n 0.14991177 Peri. 92.41897 -0.95219899 -0.28800850
a 3.5095025 Node 70.85616 +0.21944202 -0.87678688
e 0.3654190 Incl. 6.18764 +0.21251417 -0.38509202
P 6.57
From 2124 observations 1984 Mar. 4-2023 May 3, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.0015.

96P/Machholz
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 31.08457 TT Rudenko
q 0.1164269 (2000.0) P Q
n 0.18683631 Peri. 14.74836 -0.20312247 -0.50077619
a 3.0303668 Node 93.95342 +0.79108365 -0.59031440
e 0.9615799 Incl. 57.50232 +0.57699907 +0.63304985
P 5.28
From 192 observations 2022 June 11-2023 May 2, mean residual 0".5.
Nongravitational parameters A1 = +0.12, A2 = -0.0126.

99P/Kowal
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 11.66867 TT Rudenko
q 4.7056826 (2000.0) P Q
n 0.06539688 Peri. 174.83096 -0.92084271 +0.38830167
a 6.1014259 Node 28.10156 -0.36041489 -0.81267884
e 0.2287569 Incl. 4.33986 -0.14882814 -0.43448236
P 15.1
From 1593 observations 1977 Apr. 25-2023 May 3, mean residual 0".6.

103P/Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Oct. 12.52390 TT Rudenko
q 1.0641472 (2000.0) P Q
n 0.15216085 Peri. 181.30096 +0.75451740 -0.63879631
a 3.4748343 Node 219.75140 +0.60423041 +0.76565866
e 0.6937560 Incl. 13.61030 +0.25614275 +0.07553866
P 6.48
From 6330 observations 2004 Sept. 20-2023 Apr. 28, mean residual 0".6.
Nongravitational parameters A1 = +0.10, A2 = +0.0245.

110P/Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Oct. 18.39072 TT Rudenko
q 2.4553036 (2000.0) P Q
n 0.14406339 Peri. 167.46421 -0.09113905 -0.97686606
a 3.6038522 Node 287.51735 +0.89525513 +0.00470779
e 0.3187002 Incl. 11.70465 +0.43613293 -0.21380021
P 6.84
From 2600 observations 2013 Aug. 11-2023 Apr. 23, mean residual 0".6.

115P/Maury
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 July 29.12843 TT Rudenko
q 2.0593593 (2000.0) P Q
n 0.11161756 Peri. 121.00338 +0.45539018 +0.89018041
a 4.2721619 Node 176.00720 -0.87017659 +0.44839124
e 0.5179585 Incl. 11.67722 -0.18818206 +0.08077209
P 8.83
From 1431 observations 1985 Aug. 17-2021 Jan. 8, mean residual 0".7.
Nongravitational parameters A1 = +0.60, A2 = -0.0303.

116P/Wild
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 July 16.83413 TT Rudenko
q 2.1968702 (2000.0) P Q
n 0.15121195 Peri. 173.26349 -0.96917890 +0.24532820
a 3.4893562 Node 20.97929 -0.22886041 -0.86277106
e 0.3704082 Incl. 3.60338 -0.09118759 -0.44208616
P 6.52
From 2966 observations 2014 Oct. 31-2023 May 2, mean residual 0".7.

117P/Helin-Roman-Alu
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 July 8.13226 TT Rudenko
q 3.0398908 (2000.0) P Q
n 0.11942851 Peri. 223.01985 +0.19873464 +0.97146138
a 4.0837961 Node 58.83644 -0.85311070 +0.23651017
e 0.2556213 Incl. 8.70378 -0.48239681 -0.01804806
P 8.25
From 4086 observations 2010 Nov. 3-2023 Apr. 20, mean residual 0".6.
Nongravitational parameters A1 = -0.08, A2 = -0.0283.

118P/Shoemaker-Levy
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 24.34998 TT Rudenko
q 1.8290126 (2000.0) P Q
n 0.16098121 Peri. 314.84291 -0.12757146 -0.98597078
a 3.3467191 Node 142.09724 +0.95223820 -0.15211341
e 0.4534908 Incl. 10.09164 +0.27743095 +0.06872507
P 6.12
From 1795 observations 2015 Sept. 15-2023 May 3, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0051.

119P/Parker-Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 12.06734 TT Rudenko
q 2.3276576 (2000.0) P Q
n 0.13279763 Peri. 322.08492 +0.39130746 -0.91179405
a 3.8048935 Node 104.57101 +0.87265250 +0.32468662
e 0.3882463 Incl. 7.39322 +0.29215764 +0.25141640
P 7.42
From 1445 observations 2021 July 2-2023 Apr. 25, mean residual 0".6.
Nongravitational parameters A1 = -1.03, A2 = +0.1667.

126P/IRAS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 5.30639 TT Rudenko
q 1.7105217 (2000.0) P Q
n 0.07370344 Peri. 356.59637 +0.99601216 +0.08514082
a 5.6339227 Node 357.87149 -0.05496024 +0.35013056
e 0.6963889 Incl. 45.87652 -0.07027914 +0.93282347
P 13.4
From 410 observations 1983 July 1-2023 Apr. 28, mean residual 1".0.
Nongravitational parameters A1 = +0.29, A2 = -0.0655.

130P/McNaught-Hughes
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 14.80293 TT Rudenko
q 1.8229539 (2000.0) P Q
n 0.15840720 Peri. 246.10478 +0.71799488 +0.68891914
a 3.3828763 Node 70.18187 -0.59402274 +0.68088506
e 0.4611231 Incl. 6.06303 -0.36279517 +0.24856781
P 6.22
From 1222 observations 1991 Sept. 14-2023 Apr. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = +0.0013.

137P/Shoemaker-Levy
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2018 Dec. 14.90851 TT Rudenko
q 1.9268407 (2000.0) P Q
n 0.10251312 Peri. 141.16103 +0.96803715 -0.24152791
a 4.5215056 Node 232.94760 +0.20376545 +0.91449917
e 0.5738498 Incl. 4.85818 +0.14623175 +0.32458518
P 9.61
From 1235 observations 1990 Sept. 16-2021 Apr. 17, mean residual 0".4.

143P/Kowal-Mrkos
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2027 Mar. 2.22539 TT Rudenko
q 2.5022916 (2000.0) P Q
n 0.11168565 Peri. 320.36550 -0.90249357 +0.42418659
a 4.2704254 Node 244.88394 -0.37128993 -0.85405727
e 0.4140416 Incl. 4.72848 -0.21828684 -0.30108457
P 8.82
From 724 observations 2015 Jan. 22-2022 Nov. 26, mean residual 0".4.

149P/Mueller
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2026 Dec. 19.17751 TT Rudenko
q 2.7834203 (2000.0) P Q
n 0.11780338 Peri. 30.52334 -0.94339996 -0.00827096
a 4.1212683 Node 143.94624 +0.04007814 -0.99520604
e 0.3246205 Incl. 34.28752 +0.32922675 +0.09745012
P 8.37
From 233 observations 2019 Jan. 9-July 31, mean residual 0".6.
Nongravitational parameters A1 = -7.25, A2 = +1.5092.

156P/Russell-LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2020 Nov. 18.20539 TT Rudenko
q 1.3323769 (2000.0) P Q
n 0.15299869 Peri. 0.47632 +0.81108736 -0.55914698
a 3.4621370 Node 35.34260 +0.53567173 +0.59213324
e 0.6151577 Incl. 17.27006 +0.23493210 +0.58028690
P 6.44
From 2435 observations 1986 Sept. 3-2022 Mar. 31, 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 3202 observations 1990 Mar. 23-2023 Apr. 29, mean residual 0".4.

167P/CINEOS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2001 May 2.98350 TT Rudenko
q 11.8678399 (2000.0) P Q
n 0.01504578 Peri. 344.79067 +0.19575984 +0.93529583
a 16.2502351 Node 295.73914 -0.86212460 +0.02087936
e 0.2696820 Incl. 19.10244 -0.46735346 +0.35325030
P 65.5
From 96 observations 2002 June 12-2011 Oct. 19, mean residual 0".4.

168P/Hergenrother
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2026 May 25.51728 TT Rudenko
q 1.3570080 (2000.0) P Q
n 0.14507783 Peri. 15.04111 +0.98188359 -0.18720133
a 3.5870329 Node 355.43317 +0.11207663 +0.69857460
e 0.6216907 Incl. 21.61515 +0.15278559 +0.69061509
P 6.79
From 3316 observations 2012 July 15-2020 Jan. 3, mean residual 0".7.
Nongravitational parameters A1 = +4.38, A2 = +0.8936.

180P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 12.22157 TT Rudenko
q 2.5007999 (2000.0) P Q
n 0.12960706 Peri. 94.67289 -0.95726255 -0.01672749
a 3.8670841 Node 84.56842 -0.10655917 -0.90769861
e 0.3533112 Incl. 16.86026 +0.26887460 -0.41928919
P 7.60
From 1075 observations 1955 May 14-2023 May 3, mean residual 0".7.
Nongravitational parameters A1 = +0.66, A2 = +0.0296.

185P/Petriew
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 12.90371 TT Rudenko
q 0.9302929 (2000.0) P Q
n 0.18076420 Peri. 181.89084 +0.80950490 -0.57118642
a 3.0978551 Node 214.11529 +0.54179430 +0.81588005
e 0.6996977 Incl. 14.01461 +0.22618744 +0.08992116
P 5.45
From 763 observations 2007 Jan. 11-2023 May 3, mean residual 0".8.
Nongravitational parameters A1 = -0.01, A2 = +0.0147.

188P/LINEAR-Mueller
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2026 Apr. 12.70366 TT Rudenko
q 2.5487710 (2000.0) P Q
n 0.10787310 Peri. 26.64241 +0.90165658 -0.43244015
a 4.3704613 Node 358.96281 +0.35700068 +0.74863379
e 0.4168188 Incl. 10.52560 +0.24406132 +0.50253653
P 9.14
From 1207 observations 2007 June 26-2018 Apr. 18, mean residual 0".7.

194P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Feb. 3.74959 TT Rudenko
q 1.7987125 (2000.0) P Q
n 0.11750037 Peri. 128.47030 -0.47330456 -0.88011935
a 4.1283505 Node 349.58351 +0.73087156 -0.36886892
e 0.5643024 Incl. 11.82494 +0.49174136 -0.29887398
P 8.39
From 39 observations 2016 Jan. 14-May 2, mean residual 0".6.
Nongravitational parameters A1 = +0.00, A2 = -0.5389.

199P/Shoemaker
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Aug. 7.49746 TT Rudenko
q 2.9106301 (2000.0) P Q
n 0.06902460 Peri. 191.75311 +0.22467949 +0.87867441
a 5.8857273 Node 92.34907 -0.85638530 +0.38430216
e 0.5054766 Incl. 24.93583 -0.46489069 -0.28327219
P 14.3
From 151 observations 2022 Feb. 3-2023 May 1, mean residual 0".6.
Nongravitational parameters A1 = -2.64, A2 = +5.4907.

204P/LINEAR-NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 16.86365 TT Rudenko
q 1.8343801 (2000.0) P Q
n 0.14539696 Peri. 356.65471 -0.26177839 -0.95896059
a 3.5817821 Node 108.49916 +0.88813258 -0.28353189
e 0.4878583 Incl. 6.59611 +0.37774672 +0.00206156
P 6.78
From 933 observations 2015 Oct. 11-2023 Apr. 27, mean residual 0".5.
Nongravitational parameters A1 = +0.21, A2 = -0.0070.

211P/Hill
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 4.63730 TT Rudenko
q 2.3275604 (2000.0) P Q
n 0.14749075 Peri. 4.29009 -0.51771761 -0.80542134
a 3.5478032 Node 117.13035 +0.77498981 -0.58436802
e 0.3439432 Incl. 18.91902 +0.36243520 +0.09904791
P 6.68
From 871 observations 2008 Dec. 4-2023 Apr. 22, mean residual 1".0.

217P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 May 24.73565 TT Rudenko
q 1.2267476 (2000.0) P Q
n 0.12562519 Peri. 246.94314 +0.95798193 -0.22218361
a 3.9483736 Node 125.42404 +0.26569879 +0.92564517
e 0.6893031 Incl. 12.86209 -0.10804984 +0.30629310
P 7.85
From 3381 observations 2001 June 21-2018 Mar. 21, mean residual 0".6.
Nongravitational parameters A1 = +0.16, A2 = +0.0030.

219P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Feb. 13.68038 TT Rudenko
q 2.3551859 (2000.0) P Q
n 0.14155083 Peri. 107.58110 +0.91566416 +0.37070681
a 3.6463730 Node 230.95190 -0.40048503 +0.87434138
e 0.3541018 Incl. 11.53944 +0.03421833 +0.31321497
P 6.96
From 840 observations 2002 June 5-2018 Jan. 19, mean residual 0".8.
Nongravitational parameters A1 = +0.09, A2 = -0.0988.

230P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Mar. 19.38565 TT Rudenko
q 1.5689356 (2000.0) P Q
n 0.15362335 Peri. 313.46100 +0.46822136 -0.84599092
a 3.4527455 Node 106.97685 +0.86800648 +0.38635537
e 0.5455977 Incl. 15.46840 +0.16532846 +0.36746278
P 6.42
From 1520 observations 1997 Jan. 10-2023 Apr. 27, mean residual 0".5.

236P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Feb. 3.60113 TT Rudenko
q 1.8288611 (2000.0) P Q
n 0.13693339 Peri. 119.34513 +0.96422010 -0.06768302
a 3.7278904 Node 245.57282 -0.00558121 +0.96146270
e 0.5094113 Incl. 16.35074 +0.26504426 +0.26647417
P 7.20
From 871 observations 2003 Sept. 27-2018 Jan. 15, mean residual 0".7.

237P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 14.67818 TT Rudenko
q 1.9870428 (2000.0) P Q
n 0.14981665 Peri. 25.26158 -0.00072509 +0.97546653
a 3.5109879 Node 245.35860 -0.95368217 -0.06689803
e 0.4340502 Incl. 14.01659 -0.30081522 +0.20973724
P 6.58
From 741 observations 2002 June 18-2023 May 3, mean residual 0".7.

244P/Scotti
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 17.46432 TT Rudenko
q 3.9204320 (2000.0) P Q
n 0.09095485 Peri. 93.13383 +0.05000732 -0.99874034
a 4.8968727 Node 353.99511 +0.89996434 +0.04685136
e 0.1994009 Incl. 2.25932 +0.43308596 +0.01796356
P 10.8
From 1782 observations 2000 Nov. 29-2023 May 3, mean residual 0".7.
Nongravitational parameters A1 = +0.07, A2 = -0.0148.

256P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Mar. 12.24561 TT Rudenko
q 2.7003046 (2000.0) P Q
n 0.09862298 Peri. 124.19435 -0.80922472 +0.36758791
a 4.6396368 Node 81.33016 -0.56090499 -0.71544306
e 0.4179922 Incl. 27.61917 +0.17475966 -0.59415516
P 9.99
From 235 observations 2003 Jan. 27-2023 Apr. 28, mean residual 0".8.

263P/Gibbs
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Jan. 30.58459 TT Rudenko
q 1.2362992 (2000.0) P Q
n 0.18578719 Peri. 35.04422 -0.76107558 -0.61945208
a 3.0417642 Node 105.50990 +0.54013827 -0.76950301
e 0.5935585 Incl. 11.52172 +0.35918605 -0.15538418
P 5.31
From 699 observations 2006 Nov. 10-2023 Apr. 30, mean residual 0".5.

269P/Jedicke
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2014 Sept. 30.43709 TT Rudenko
q 4.0163536 (2000.0) P Q
n 0.05245409 Peri. 225.68610 -0.29484752 -0.94935317
a 7.0677818 Node 241.75082 +0.90803928 -0.24298510
e 0.4317377 Incl. 7.08149 +0.29753926 -0.19921544
P 18.8
From 910 observations 1993 Oct. 12-2017 Mar. 21, mean residual 0".6.

274P/Tombaugh-Tenagra
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 8.46731 TT Rudenko
q 2.4529626 (2000.0) P Q
n 0.10762017 Peri. 38.47205 -0.47369983 -0.83846144
a 4.3773064 Node 81.32850 +0.72545094 -0.54494840
e 0.4396183 Incl. 15.81561 +0.49932895 -0.00369638
P 9.16
From 899 observations 1931 Jan. 13-2023 Apr. 29, mean residual 0".7.

276P/Vorobjov
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Dec. 12.66568 TT Rudenko
q 3.8982178 (2000.0) P Q
n 0.08018151 Peri. 199.47702 +0.63748016 -0.75890341
a 5.3262299 Node 211.34607 +0.73645551 +0.65091057
e 0.2681094 Incl. 14.81131 +0.22638979 +0.01952027
P 12.3
From 239 observations 2000 Dec. 19-2022 Oct. 8, mean residual 0".4.