Коррекция орбиты некоторых периодических комет от 21 ноября (2)

[Gremlin]

Коррекция орбиты некоторых периодических комет от 21 ноября 2025 года, MPEC 2025-W75

Orbital elements:
76P/West-Kohoutek-Ikemura
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 13.63896 TT Pike
q 1.5968139 (2000.0) P Q
n 0.15268439 Peri. 0.02326 +0.10228816 -0.85713571
a 3.4668865 Node 84.10901 +0.91258773 -0.12110900
e 0.5394098 Incl. 30.49827 +0.39587974 +0.50065056
P 6.46
From 747 observations 2007 Jan. 1-2020 Mar. 23, mean residual 0".7.
Nongravitational parameters A1 = +0.02, A2 = -0.0049.

77P/Longmore
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Apr. 2.88808 TT Pike
q 2.3457425 (2000.0) P Q
n 0.14311531 Peri. 196.59749 -0.86050584 +0.49852866
a 3.6197507 Node 14.74777 -0.40795041 -0.55101341
e 0.3519602 Incl. 24.32931 -0.30513304 -0.66921850
P 6.89
From 2653 observations 1975 Aug. 11-2025 Oct. 19, mean residual 0".8.
Nongravitational parameters A1 = +0.11, A2 = -0.0488.

78P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 25.07211 TT Pike
q 2.0045816 (2000.0) P Q
n 0.13666045 Peri. 192.78044 +0.72871016 -0.68258477
a 3.7328525 Node 210.49712 +0.63751330 +0.70565242
e 0.4629893 Incl. 6.25722 +0.25011656 +0.19008602
P 7.21
From 2727 observations 2018 May 15-2025 Nov. 20, mean residual 0".6.
Nongravitational parameters A1 = -0.81, A2 = -0.1736.

79P/du Toit-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Sept. 30.39092 TT Pike
q 1.1195394 (2000.0) P Q
n 0.19529897 Peri. 281.75797 -0.92407613 +0.37837295
a 2.9421812 Node 280.49369 -0.32578957 -0.85366066
e 0.6194866 Incl. 3.14884 -0.19986109 -0.35790695
P 5.05
From 202 observations 2003 Mar. 4-2024 Aug. 5, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0035.

80P/Peters-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Dec. 7.96804 TT Pike
q 1.6177408 (2000.0) P Q
n 0.12223206 Peri. 339.25625 -0.46815107 +0.73469311
a 4.0211101 Node 259.77102 -0.72406512 -0.63743585
e 0.5976880 Incl. 29.92784 -0.50652174 +0.23216713
P 8.06
From 135 observations 2014 June 22-2023 Aug. 21, mean residual 0".8.
Nongravitational parameters A1 = +0.99, A2 = -0.0593.

81P/Wild
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Dec. 16.02553 TT Pike
q 1.5950083 (2000.0) P Q
n 0.15373049 Peri. 41.54415 -0.99842343 -0.04020354
a 3.4511411 Node 136.10421 +0.02344316 -0.93273835
e 0.5378316 Incl. 3.23863 +0.05100069 -0.35830551
P 6.41
From 2763 observations 2014 Oct. 17-2024 Sept. 7, mean residual 0".7.
Nongravitational parameters A1 = +0.26, A2 = +0.1917.

82P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Nov. 15.63375 TT Pike
q 3.6241568 (2000.0) P Q
n 0.11730380 Peri. 226.36673 -0.26975797 -0.96277902
a 4.1329611 Node 239.29033 +0.88904722 -0.24226144
e 0.1231089 Incl. 1.12945 +0.36989955 -0.11985809
P 8.40
From 146 observations 1975 Oct. 27-2020 May 20, mean residual 0".7.
Nongravitational parameters A1 = +0.03, A2 = +0.0017.

84P/Giclas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Feb. 12.67440 TT Pike
q 1.7195643 (2000.0) P Q
n 0.14735162 Peri. 281.74477 +0.85947782 -0.49566630
a 3.5500362 Node 108.07974 +0.50507623 +0.78582437
e 0.5156206 Incl. 7.55287 +0.07871393 +0.36985804
P 6.69
From 1748 observations 1978 Sept. 3-2021 Mar. 18, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = -0.0024.

86P/Wild
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Jan. 21.61573 TT Pike
q 2.3347947 (2000.0) P Q
n 0.14121090 Peri. 181.00576 -0.29138869 +0.92228808
a 3.6522225 Node 72.08940 -0.87579394 -0.15042474
e 0.3607195 Incl. 15.47729 -0.38480853 -0.35602963
P 6.98
From 29 observations 2015 May 22-2022 Aug. 22, mean residual 0".4.
Nongravitational parameters A1 = -0.54, A2 = +0.0286.

88P/Howell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 18.77840 TT Pike
q 1.3577710 (2000.0) P Q
n 0.17980413 Peri. 235.87155 +0.38132258 +0.92223524
a 3.1088727 Node 56.66944 -0.82101348 +0.36958988
e 0.5632594 Incl. 4.38197 -0.42488818 +0.11351420
P 5.48
From 2798 observations 2015 July 7-2025 June 24, mean residual 0".8.
Nongravitational parameters A1 = +0.66, A2 = +0.0111.

89P/Russell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Mar. 26.53867 TT Pike
q 2.2237010 (2000.0) P Q
n 0.13564337 Peri. 250.45914 +0.35764118 +0.92358940
a 3.7514890 Node 41.34287 -0.75913064 +0.37366377
e 0.4072484 Incl. 12.06872 -0.54388735 +0.08577877
P 7.27
From 656 observations 1980 Aug. 9-2025 Jan. 1, mean residual 0".6.
Nongravitational parameters A1 = +0.83, A2 = -0.0352.

90P/Gehrels
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2032 May 18.01089 TT Pike
q 2.9648133 (2000.0) P Q
n 0.06614898 Peri. 29.22735 +0.74023759 -0.67126562
a 6.0550900 Node 13.15439 +0.57978388 +0.60861921
e 0.5103602 Incl. 9.63487 +0.34043937 +0.42306634
P 14.9
From 578 observations 2001 Aug. 10-2018 Apr. 15, mean residual 0".6.
Nongravitational parameters A1 = +0.18, A2 = -0.0478.

92P/Sanguin
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 July 15.46975 TT Pike
q 1.8177037 (2000.0) P Q
n 0.07975354 Peri. 163.78745 +0.96611508 +0.25799431
a 5.3452669 Node 181.33753 -0.25790454 +0.96369267
e 0.6599415 Incl. 19.47893 -0.01033912 +0.06881400
P 12.4
From 949 observations 1977 Sept. 13-2016 Jan. 13, mean residual 0".7.
Nongravitational parameters A1 = +0.15, A2 = -0.0072.

93P/Lovas
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 May 2.93864 TT Pike
q 1.6884374 (2000.0) P Q
n 0.10778603 Peri. 75.03845 +0.57181947 -0.81704431
a 4.3728147 Node 339.54927 +0.64768434 +0.50489947
e 0.6138786 Incl. 12.21040 +0.50351513 +0.27841539
P 9.14
From 3516 observations 1980 Dec. 5-2025 Nov. 11, mean residual 0".5.
Nongravitational parameters A1 = +0.03, A2 = -0.0049.

94P/Russell
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 May 21.35526 TT Pike
q 2.2246177 (2000.0) P Q
n 0.14989785 Peri. 92.37722 -0.95192006 -0.28893433
a 3.5097199 Node 70.84227 +0.22029546 -0.87656263
e 0.3661552 Incl. 6.18726 +0.21288051 -0.38490896
P 6.58
From 2199 observations 1984 Mar. 2-2025 Aug. 16, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0014.

96P/Machholz
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 May 11.94258 TT Pike
q 0.1160116 (2000.0) P Q
n 0.18677461 Peri. 14.73900 -0.20287967 -0.49957578
a 3.0310341 Node 93.96250 +0.79109111 -0.59048375
e 0.9617254 Incl. 57.58591 +0.57707425 +0.63383987
P 5.28
From 255 observations 2022 June 11-2024 July 14, mean residual 0".5.
Nongravitational parameters A1 = -0.24, A2 = +0.0041.

97P/Metcalf-Brewington
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Feb. 15.82610 TT Pike
q 2.5775322 (2000.0) P Q
n 0.09458073 Peri. 230.22562 +0.58628703 -0.80980891
a 4.7709068 Node 184.06754 +0.80496990 +0.58539046
e 0.4597396 Incl. 17.93388 +0.09105486 +0.03908371
P 10.4
From 322 observations 2011 Aug. 31-2022 Jan. 28, mean residual 0".7.
Nongravitational parameters A1 = -0.99, A2 = +0.1939.

98P/Takamizawa
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 May 6.11545 TT Pike
q 1.6067282 (2000.0) P Q
n 0.13477988 Peri. 157.90945 +0.04727207 +0.98429693
a 3.7674949 Node 114.45433 -0.94213523 +0.10050638
e 0.5735288 Incl. 10.76807 -0.33188335 -0.14511380
P 7.31
From 709 observations 1984 July 6-2021 Nov. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.42, A2 = +0.0422.

99P/Kowal
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Apr. 8.94953 TT Pike
q 4.6982810 (2000.0) P Q
n 0.06553167 Peri. 174.50971 -0.92332742 +0.38236145
a 6.0930565 Node 28.05356 -0.35514259 -0.81498569
e 0.2289123 Incl. 4.33928 -0.14608292 -0.43542858
P 15.0
From 1710 observations 1977 Apr. 24-2024 July 25, mean residual 0".6.

100P/Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Dec. 16.41505 TT Pike
q 2.0191197 (2000.0) P Q
n 0.15513746 Peri. 181.90267 -0.77262931 +0.57743652
a 3.4302434 Node 37.68579 -0.57662208 -0.46440915
e 0.4113771 Incl. 25.56796 -0.26561426 -0.67148433
P 6.35
From 516 observations 2003 Jan. 15-2022 Aug. 15, mean residual 0".7.
Nongravitational parameters A1 = +0.21, A2 = -0.0122.

101P/Chernykh
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2020 Jan. 12.59739 TT Pike
q 2.3547749 (2000.0) P Q
n 0.07022058 Peri. 278.00496 +0.82442062 -0.56043487
a 5.8187062 Node 116.11448 +0.54774525 +0.75489950
e 0.5953095 Incl. 5.04846 +0.14249834 +0.34064571
P 14.0
From 1049 observations 1977 Aug. 19-2022 Mar. 1, mean residual 0".8.

102P/Shoemaker
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 July 10.76584 TT Pike
q 2.0791448 (2000.0) P Q
n 0.13197417 Peri. 20.70762 +0.98752475 -0.03398362
a 3.8207043 Node 339.34873 -0.09078410 +0.67493829
e 0.4558216 Incl. 25.84621 +0.12865888 +0.73709119
P 7.47
From 395 observations 1999 Dec. 31-2022 Jan. 6, mean residual 0".9.
Nongravitational parameters A1 = -0.58, A2 = -0.2106.

103P/Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Oct. 12.34461 TT Pike
q 1.0658886 (2000.0) P Q
n 0.15208087 Peri. 181.33335 +0.75405233 -0.63935138
a 3.4760525 Node 219.76043 +0.60477175 +0.76520510
e 0.6933623 Incl. 13.60526 +0.25623468 +0.07543856
P 6.48
From 8872 observations 2004 Sept. 20-2025 Apr. 28, mean residual 0".7.
Nongravitational parameters A1 = +0.11, A2 = +0.0236.

104P/Kowal
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 Oct. 12.89428 TT Pike
q 1.0720966 (2000.0) P Q
n 0.17149184 Peri. 227.32424 +0.26900598 -0.96207010
a 3.2085371 Node 207.16936 +0.91016554 +0.26932998
e 0.6658613 Incl. 5.70019 +0.31501503 +0.04338759
P 5.75
From 1520 observations 2016 Jan. 3-2022 June 12, mean residual 0".8.
Nongravitational parameters A1 = +0.68, A2 = -0.4588.

105P/Singer Brewster
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 22.71666 TT Pike
q 2.0518490 (2000.0) P Q
n 0.15229795 Peri. 46.31838 -0.52139811 +0.85262866
a 3.4727486 Node 192.38852 -0.82156245 -0.51241981
e 0.4091571 Incl. 9.16770 -0.23060605 -0.10222671
P 6.47
From 589 observations 2018 Jan. 1-2025 Sept. 24, mean residual 0".6.
Nongravitational parameters A1 = -0.55, A2 = +0.5773.

106P/Schuster
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Dec. 12.28566 TT Pike
q 1.5324777 (2000.0) P Q
n 0.13471782 Peri. 353.80104 +0.73062733 -0.63465820
a 3.7686519 Node 48.86587 +0.63991776 +0.50791521
e 0.5933618 Incl. 19.52947 +0.23809445 +0.58243550
P 7.32
From 513 observations 2014 June 9-2022 Mar. 25, mean residual 0".8.
Nongravitational parameters A1 = -0.15, A2 = +0.3369.

108P/Ciffreo
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Dec. 8.66649 TT Pike
q 1.6642570 (2000.0) P Q
n 0.13603871 Peri. 354.56462 +0.70765311 -0.68991969
a 3.7442173 Node 50.27377 +0.65549531 +0.56051771
e 0.5555127 Incl. 11.43193 +0.26372898 +0.45807283
P 7.25
From 1070 observations 2021 June 3-2022 Mar. 26, mean residual 0".8.
Nongravitational parameters A1 = +0.21, A2 = +3.0905.

109P/Swift-Tuttle
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 1992 Dec. 21.04316 TT Pike
q 0.9662727 (2000.0) P Q
n 0.00735187 Peri. 153.24366 +0.79548532 +0.11925352
a 26.1941319 Node 139.81808 -0.57041410 -0.18355369
e 0.9631111 Incl. 112.95506 +0.20452594 -0.97574927
P 134
From 809 observations 1737 July 8-1995 Apr. 5, mean residual 1".1.

110P/Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 Aug. 22.39637 TT Pike
q 2.4529876 (2000.0) P Q
n 0.14409162 Peri. 167.58328 -0.09255861 -0.97670159
a 3.6033814 Node 287.48189 +0.89530354 +0.00345713
e 0.3192540 Incl. 11.71193 +0.43573441 -0.21457411
P 6.84
From 2572 observations 2013 Aug. 11-2023 May 13, mean residual 0".6.

113P/Spitaler
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 June 1.78470 TT Pike
q 2.1457960 (2000.0) P Q
n 0.13867803 Peri. 115.75997 +0.46063624 -0.88450101
a 3.6965587 Node 306.61309 +0.77776289 +0.44239216
e 0.4195152 Incl. 5.28783 +0.42766709 +0.14814565
P 7.11
From 514 observations 2015 Jan. 19-2023 Apr. 15, mean residual 0".7.

114P/Wiseman-Skiff
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 14.97461 TT Pike
q 1.5709034 (2000.0) P Q
n 0.14803181 Peri. 172.83068 +0.10072168 -0.94406459
a 3.5391531 Node 271.02490 +0.89651714 +0.22297252
e 0.5561358 Incl. 18.30360 +0.43140720 -0.24295125
P 6.66
From 1873 observations 2006 July 21-2020 May 14, mean residual 0".7.

115P/Maury
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 May 23.42378 TT Pike
q 2.0565752 (2000.0) P Q
n 0.11169391 Peri. 120.93115 +0.45320167 +0.89129242
a 4.2702148 Node 175.93714 -0.87128753 +0.44631691
e 0.5183907 Incl. 11.68946 -0.18832493 +0.07999393
P 8.82
From 1382 observations 1985 Aug. 16-2021 Jan. 8, mean residual 0".7.
Nongravitational parameters A1 = +0.60, A2 = -0.0303.

116P/Wild
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Jan. 17.65823 TT Pike
q 2.1925938 (2000.0) P Q
n 0.15146918 Peri. 173.14985 -0.96975237 +0.24305248
a 3.4854047 Node 20.95843 -0.22682639 -0.86329196
e 0.3709213 Incl. 3.60499 -0.09016719 -0.44232622
P 6.51
From 2803 observations 2014 Oct. 31-2024 Sept. 4, mean residual 0".8.

117P/Helin-Roman-Alu
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 July 10.69028 TT Pike
q 3.0894698 (2000.0) P Q
n 0.11769069 Peri. 224.92330 +0.23009689 +0.96460668
a 4.1238986 Node 58.78537 -0.84521318 +0.26368606
e 0.2508376 Incl. 8.66182 -0.48235890 -0.00190302
P 8.37
From 4905 observations 2010 Nov. 3-2025 Mar. 3, mean residual 0".7.
Nongravitational parameters A1 = +0.43, A2 = +0.0458.

118P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Nov. 24.90399 TT Pike
q 1.8292548 (2000.0) P Q
n 0.16081249 Peri. 314.97251 -0.12892837 -0.98577958
a 3.3490594 Node 142.04632 +0.95200076 -0.15346666
e 0.4538004 Incl. 10.09273 +0.27761850 +0.06845878
P 6.13
From 1850 observations 2015 Aug. 15-2024 May 31, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0048.

119P/Parker-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Aug. 12.39710 TT Pike
q 2.3319640 (2000.0) P Q
n 0.13251945 Peri. 322.29666 +0.38842217 -0.91302532
a 3.8102163 Node 104.54065 +0.87365646 +0.32190503
e 0.3879707 Incl. 7.39289 +0.29300616 +0.25052331
P 7.44
From 1523 observations 2021 July 2-2024 May 6, mean residual 0".5.
Nongravitational parameters A1 = -0.94, A2 = +0.1106.

120P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Apr. 5.11205 TT Pike
q 2.4857878 (2000.0) P Q
n 0.12457604 Peri. 36.84682 +0.81403504 -0.58080531
a 3.9705108 Node 358.64584 +0.49150421 +0.69204577
e 0.3739375 Incl. 8.47917 +0.30946820 +0.42864652
P 7.91
From 155 observations 1987 Oct. 18-2021 Dec. 9, mean residual 0".9.
Nongravitational parameters A1 = -2.74, A2 = -0.1599.

121P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 July 1.19918 TT Pike
q 3.7334983 (2000.0) P Q
n 0.10020951 Peri. 12.04740 -0.26542725 -0.90075188
a 4.5905363 Node 94.10449 +0.85349008 -0.38537933
e 0.1866967 Incl. 20.16215 +0.44844516 +0.20032178
P 9.84
From 230 observations 2012 Oct. 22-2025 May 19, mean residual 0".3.

122P/de Vico
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 1995 Oct. 6.74256 TT Pike
q 0.6588197 (2000.0) P Q
n 0.01330862 Peri. 13.00899 +0.15815647 -0.10703239
a 17.6352096 Node 79.73561 +0.79287410 -0.57872765
e 0.9626418 Incl. 85.99745 +0.58850420 +0.80846668
P 74.1
From 347 observations 1846 Mar. 2-1996 June 25, mean residual 1".1.

123P/West-Hartley
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Sept. 22.09666 TT Pike
q 2.1580281 (2000.0) P Q
n 0.12867524 Peri. 103.92962 -0.83970733 -0.50898772
a 3.8857309 Node 45.88011 +0.33765341 -0.76234855
e 0.4446275 Incl. 15.28672 +0.42530197 -0.39969513
P 7.66
From 3183 observations 2010 Sept. 12-2025 Nov. 20, mean residual 0".7.
Nongravitational parameters A1 = -0.66, A2 = +0.0123.

124P/Mrkos
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 June 23.58893 TT Pike
q 1.7349045 (2000.0) P Q
n 0.15875358 Peri. 185.10912 -0.99608048 +0.08845076
a 3.3779538 Node 359.95942 -0.05063343 -0.57361473
e 0.4864037 Incl. 31.40188 -0.07252537 -0.81433568
P 6.21
From 868 observations 2020 Jan. 1-2025 Nov. 12, mean residual 0".4.
Nongravitational parameters A1 = -0.02, A2 = +0.0167.

125P/Spacewatch
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Mar. 7.17677 TT Pike
q 1.5261719 (2000.0) P Q
n 0.17821358 Peri. 87.09020 -0.48950664 +0.86847552
a 3.1273431 Node 153.15165 -0.85299562 -0.45825515
e 0.5119909 Incl. 9.98608 -0.18105725 -0.18908329
P 5.53
From 950 observations 2012 Dec. 8-2024 Oct. 21, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = +0.0096.

126P/IRAS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 July 4.86219 TT Pike
q 1.7108687 (2000.0) P Q
n 0.07386149 Peri. 356.55055 +0.99592342 +0.08611639
a 5.6258827 Node 357.85686 -0.05547823 +0.35014369
e 0.6958933 Incl. 45.87177 -0.07112461 +0.93272899
P 13.3
From 1599 observations 2009 May 27-2024 Feb. 15, mean residual 0".6.
Nongravitational parameters A1 = +0.01, A2 = +0.1869.

127P/Holt-Olmstead
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Jan. 10.33796 TT Pike
q 2.2161834 (2000.0) P Q
n 0.15347904 Peri. 6.34327 +0.94074141 -0.33410757
a 3.4549095 Node 13.61587 +0.29928285 +0.73734019
e 0.3585408 Incl. 14.29296 +0.15948474 +0.58711291
P 6.42
From 919 observations 2009 June 3-2023 Feb. 14, mean residual 0".8.
Nongravitational parameters A1 = -1.79, A2 = +0.0315.

128P/Shoemaker-Holt
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 July 16.92812 TT Pike
q 3.0369646 (2000.0) P Q
n 0.10389891 Peri. 210.53917 +0.42588361 -0.90375744
a 4.4812111 Node 214.30697 +0.84476283 +0.41419092
e 0.3222893 Incl. 4.37147 +0.32403536 +0.10802025
P 9.49
From 993 observations 1987 Sept. 24-2025 Nov. 16, mean residual 0".9.

129P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Dec. 4.35605 TT Pike
q 3.9253117 (2000.0) P Q
n 0.11074537 Peri. 307.98720 -0.67967373 -0.73349708
a 4.2945633 Node 184.84032 +0.69040323 -0.63737930
e 0.0859812 Incl. 3.44118 +0.24776400 -0.23607131
P 8.90
From 446 observations 2010 Sept. 4-2025 May 27, mean residual 0".6.
Nongravitational parameters A1 = +0.06, A2 = -0.0157.

130P/McNaught-Hughes
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Apr. 15.90204 TT Pike
q 1.8305920 (2000.0) P Q
n 0.15744057 Peri. 246.68114 +0.72415481 +0.68250164
a 3.3967085 Node 70.11720 -0.58805171 +0.68605160
e 0.4610689 Incl. 6.04004 -0.36027071 +0.25204111
P 6.26
From 2268 observations 2004 Apr. 20-2025 Feb. 17, mean residual 0".6.
Nongravitational parameters A1 = -0.02, A2 = +0.0007.

131P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Feb. 15.69420 TT Pike
q 2.4078079 (2000.0) P Q
n 0.13995750 Peri. 179.26548 +0.83480523 -0.54582998
a 3.6739954 Node 214.13279 +0.50445983 +0.81068038
e 0.3446350 Incl. 7.36220 +0.22050056 +0.21181819
P 7.04
From 854 observations 1990 Sept. 15-2025 Nov. 13, mean residual 0".8.
Nongravitational parameters A1 = +0.73, A2 = -0.0427.

132P/Helin-Roman-Alu
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 July 19.27213 TT Pike
q 1.6981125 (2000.0) P Q
n 0.12831636 Peri. 216.52208 +0.86143324 -0.50777539
a 3.8929728 Node 173.96898 +0.48532677 +0.81732881
e 0.5638006 Incl. 5.37654 +0.14963521 +0.27228251
P 7.68
From 1323 observations 2014 Aug. 30-2022 Apr. 2, mean residual 0".5.

134P/Kowal-Vavrova
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2030 Jan. 7.79498 TT Pike
q 2.6007433 (2000.0) P Q
n 0.06268743 Peri. 18.58858 -0.75951088 +0.64987790
a 6.2759924 Node 202.02038 -0.60598526 -0.72269805
e 0.5856045 Incl. 4.33163 -0.23648487 -0.23530032
P 15.7
From 1063 observations 1983 May 8-2015 Sept. 8, mean residual 0".6.
Nongravitational parameters A1 = +5.74, A2 = +0.1309.

135P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Apr. 5.40519 TT Pike
q 2.6868787 (2000.0) P Q
n 0.13295132 Peri. 22.33957 -0.56961088 +0.81989746
a 3.8019606 Node 213.01804 -0.76915922 -0.55642167
e 0.2932913 Incl. 6.06223 -0.28971976 -0.13477045
P 7.41
From 107 observations 1992 Mar. 30-2022 Aug. 3, mean residual 1".0.

136P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2025 Jan. 3.75206 TT Pike
q 2.9591179 (2000.0) P Q
n 0.11502094 Peri. 225.39359 +0.99229447 -0.05535722
a 4.1874675 Node 137.41151 +0.08479259 +0.95573058
e 0.2933395 Incl. 9.42752 -0.09034326 +0.28898899
P 8.57
From 442 observations 2016 Aug. 5-2025 Nov. 18, mean residual 0".7.
Nongravitational parameters A1 = -1.13, A2 = +0.2041.

137P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2028 July 29.55970 TT Pike
q 1.9329160 (2000.0) P Q
n 0.10241974 Peri. 141.20582 +0.96792641 -0.24197272
a 4.5242534 Node 232.92919 +0.20419176 +0.91441487
e 0.5727658 Incl. 4.85900 +0.14637003 +0.32449138
P 9.62
From 1225 observations 1990 Sept. 16-2021 Apr. 17, mean residual 0".4.

138P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Mar. 24.31809 TT Pike
q 1.6942955 (2000.0) P Q
n 0.14332857 Peri. 95.75324 +0.69550597 -0.70556262
a 3.6161592 Node 309.21913 +0.57010843 +0.65696306
e 0.5314654 Incl. 10.09841 +0.43731891 +0.26567072
P 6.88
From 125 observations 1991 Nov. 13-2025 Sept. 15, mean residual 0".6.
Nongravitational parameters A1 = +0.08, A2 = -0.0110.

139P/Vaisala-Oterma
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2027 July 23.07392 TT Pike
q 3.3925579 (2000.0) P Q
n 0.10281502 Peri. 166.06554 +0.66636039 -0.74475695
a 4.5126503 Node 242.13407 +0.68013447 +0.62694115
e 0.2482116 Incl. 2.33827 +0.30558294 +0.22865231
P 9.59
From 553 observations 1939 Oct. 7-2019 Feb. 4, mean residual 0".7.

140P/Bowell-Skiff
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2031 Oct. 5.33957 TT Pike
q 1.9566485 (2000.0) P Q
n 0.06066495 Peri. 172.14554 -0.91009844 -0.41398398
a 6.4147165 Node 343.36226 +0.37662118 -0.80782223
e 0.6949751 Incl. 3.68200 +0.17285054 -0.41957182
P 16.2
From 135 observations 1983 Feb. 8-1999 May 8, mean residual 1".0.

141P/Machholz
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Apr. 22.99004 TT Pike
q 0.8074554 (2000.0) P Q
n 0.18442755 Peri. 153.64659 +0.80336310 -0.55625737
a 3.0566956 Node 241.77432 +0.49484273 +0.82217850
e 0.7358404 Incl. 13.96069 +0.33126787 +0.12083149
P 5.34
From 628 observations 2000 Jan. 3-2021 Mar. 24, mean residual 0".9.

142P/Ge-Wang
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2021 May 10.66876 TT Pike
q 2.5229105 (2000.0) P Q
n 0.08806097 Peri. 174.04569 +0.98499863 +0.17191498
a 5.0035747 Node 175.96248 -0.16578143 +0.96676181
e 0.4957784 Incl. 12.24329 -0.04789804 +0.18925337
P 11.2
From 95 observations 1988 Oct. 11-2021 Nov. 10, mean residual 0".7.
Nongravitational parameters A1 = -0.87, A2 = -0.0054.

143P/Kowal-Mrkos
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Dec. 27.48904 TT Pike
q 2.9564178 (2000.0) P Q
n 0.09482648 Peri. 304.64400 -0.98972709 +0.11622789
a 4.7626604 Node 242.15928 -0.07943996 -0.93123030
e 0.3792508 Incl. 5.40258 -0.11886795 -0.34540006
P 10.4
From 220 observations 2020 July 28-2025 Nov. 20, mean residual 0".2.

144P/Kushida
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Jan. 25.85363 TT Pike
q 1.3997978 (2000.0) P Q
n 0.13126135 Peri. 216.37561 -0.16036065 -0.98516893
a 3.8345241 Node 242.92435 +0.92101388 -0.12710158
e 0.6349487 Incl. 3.93129 +0.35498999 -0.11527089
P 7.51
From 3135 observations 2016 July 31-2024 June 5, mean residual 0".5.
Nongravitational parameters A1 = +0.31, A2 = -0.0892.

145P/Shoemaker-Levy
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Jan. 31.93403 TT Pike
q 1.8897203 (2000.0) P Q
n 0.11745774 Peri. 10.41898 +0.79825269 -0.59584799
a 4.1293493 Node 26.76680 +0.53759796 +0.63886952
e 0.5423685 Incl. 11.27822 +0.27162672 +0.48663222
P 8.39
From 1041 observations 1991 Sept. 12-2025 Nov. 20, mean residual 0".6.
Nongravitational parameters A1 = +0.06, A2 = -0.0169.

146P/Shoemaker-LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Aug. 5.38661 TT Pike
q 1.4177702 (2000.0) P Q
n 0.12214218 Peri. 317.02363 +0.93979391 -0.13269505
a 4.0230824 Node 53.33550 +0.30142708 +0.75608377
e 0.6475911 Incl. 23.11678 -0.16102523 +0.64088170
P 8.07
From 531 observations 2016 Oct. 10-2025 May 1, mean residual 0".6.
Nongravitational parameters A1 = +0.09, A2 = +0.0295.

147P/Kushida-Muramatsu
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2023 Dec. 6.93565 TT Pike
q 3.1607456 (2000.0) P Q
n 0.12277877 Peri. 348.62539 +0.16849542 -0.98487782
a 4.0091644 Node 91.66493 +0.90749861 +0.13903350
e 0.2116199 Incl. 2.31124 +0.38477988 +0.10337001
P 8.03
From 43 observations 2007 Sept. 5-2016 Jan. 8, mean residual 0".6.
Nongravitational parameters A1 = +0.87, A2 = -0.4354.

148P/Anderson-LINEAR
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 June 14.50335 TT Pike
q 1.6276699 (2000.0) P Q
n 0.14308666 Peri. 8.09262 -0.12656383 -0.98990407
a 3.6202338 Node 89.19503 +0.90649337 -0.14154056
e 0.5503965 Incl. 3.65880 +0.40280438 +0.00749626
P 6.89
From 143 observations 2014 Aug. 27-2023 Apr. 18, mean residual 0".4.
Nongravitational parameters A1 = +0.12, A2 = +0.0009.

149P/Mueller
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2026 Dec. 15.84325 TT Pike
q 2.7918219 (2000.0) P Q
n 0.11726097 Peri. 30.11529 -0.94275289 -0.01859777
a 4.1339675 Node 143.72306 +0.05050287 -0.99489042
e 0.3246628 Incl. 34.24623 +0.32964595 +0.09923289
P 8.41
From 233 observations 2019 Jan. 9-July 31, mean residual 0".6.
Nongravitational parameters A1 = -7.25, A2 = +1.5092.

150P/LONEOS
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2024 Mar. 12.60214 TT Pike
q 1.7450981 (2000.0) P Q
n 0.12935297 Peri. 246.12448 -0.88088636 -0.35068610
a 3.8721465 Node 272.05523 +0.45829361 -0.79984200
e 0.5493202 Incl. 18.54816 -0.11834775 -0.48710578
P 7.62
From 1321 observations 1978 Mar. 6-2024 July 7, mean residual 0".4.

151P/Helin
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2029 Aug. 18.25086 TT Pike
q 2.4667961 (2000.0) P Q
n 0.07115711 Peri. 216.19992 +0.99871193 +0.01126499
a 5.7675386 Node 143.06031 +0.00602401 +0.94182144
e 0.5722966 Incl. 4.72201 -0.05038039 +0.33592480
P 13.9
From 419 observations 1987 Aug. 24-2016 Jan. 26, mean residual 0".6.
Nongravitational parameters A1 = +9.50, A2 = -0.0386.

152P/Helin-Lawrence
Epoch 2025 Nov. 21.0 TT = JDT 2461000.5
T 2022 Jan. 12.45940 TT Pike
q 3.1109233 (2000.0) P Q
n 0.10372520 Peri. 164.41053 -0.23477302 +0.95680236
a 4.4862128 Node 91.77632 -0.90917636 -0.15372178
e 0.3065591 Incl. 9.87961 -0.34391856 -0.24677693
P 9.50
From 1299 observations 1993 Apr. 21-2025 Jan. 4, mean residual 0".8.
Nongravitational parameters A1 = +0.02, A2 = +0.0143.