Коррекция орбиты некоторых периодических комет от 21 апреля

[Gremlin]

Коррекция орбиты некоторых периодических комет от 21 апреля 2023 года, MPEC 2023-H131

Orbital elements:
10P/Tempel
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Mar. 24.07632 TT Rudenko
q 1.4141406 (2000.0) P Q
n 0.18398021 Peri. 195.52520 +0.68112148 +0.70856209
a 3.0616483 Node 117.81473 -0.64759766 +0.70054169
e 0.5381114 Incl. 12.03558 -0.34160035 +0.08474142
P 5.36
From 4531 observations 2003 Mar. 7-2023 Apr. 12, mean residual 0".6.
Nongravitational parameters A1 = +0.02, A2 = +0.0006.

12P/Pons-Brooks
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 21.15788 TT Rudenko
q 0.7811626 (2000.0) P Q
n 0.01384318 Peri. 198.98239 +0.14530442 -0.32940929
a 17.1782454 Node 255.84464 +0.98562432 +0.13035288
e 0.9545261 Incl. 74.18658 +0.08620511 -0.93514579
P 71.2
From 221 observations 2020 June 10-2023 Apr. 21, mean residual 0".8.

19P/Borrelly
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Feb. 1.86620 TT Rudenko
q 1.3062630 (2000.0) P Q
n 0.14390808 Peri. 351.93960 +0.38671505 -0.79281590
a 3.6064446 Node 74.23286 +0.87105530 +0.14627970
e 0.6377976 Incl. 29.30599 +0.30284340 +0.59164618
P 6.85
From 2493 observations 2015 Jan. 11-2023 Apr. 17, mean residual 0".6.
Nongravitational parameters A1 = +0.37, A2 = -0.0741.

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 +0.86995722
e 0.0446975 Incl. 9.36345 +0.13753474 +0.48856259
P 14.9
From 16315 observations 2018 June 18-2023 Apr. 20, mean residual 0".6.

44P/Reinmuth
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 23.03323 TT Rudenko
q 2.1122081 (2000.0) P Q
n 0.13910649 Peri. 58.04101 +0.95918348 +0.26505960
a 3.6889644 Node 286.42880 -0.28148901 +0.86162667
e 0.4274252 Incl. 5.89675 -0.02703676 +0.43283125
P 7.09
From 1806 observations 2008 July 2-2023 Mar. 19, mean residual 0".6.
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 6513 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. 27.31510 TT Rudenko
q 2.8081956 (2000.0) P Q
n 0.11777720 Peri. 357.75904 +0.99574322 +0.09136934
a 4.1218790 Node 356.91888 -0.08066713 +0.80023454
e 0.3187098 Incl. 13.04028 -0.04458987 +0.59268569
P 8.37
From 1249 observations 2012 Feb. 15-2022 Apr. 25, mean residual 0".6.
Nongravitational parameters A1 = -0.70, A2 = +0.0164.

57P/du Toit-Neujmin-Delporte
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Oct. 17.18858 TT Rudenko
q 1.7189844 (2000.0) P Q
n 0.15421992 Peri. 115.14671 +0.55791008 +0.82986667
a 3.4438355 Node 188.77649 -0.77821561 +0.51996355
e 0.5008518 Incl. 2.85238 -0.28829986 +0.20238382
P 6.39
From 1362 observations 2015 Feb. 18-2023 Feb. 9, mean residual 0".9.

65P/Gunn
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 June 17.10526 TT Rudenko
q 2.9229821 (2000.0) P Q
n 0.12850746 Peri. 213.87086 +0.09573459 +0.98540153
a 3.8891124 Node 61.98526 -0.87426907 +0.15085637
e 0.2484192 Incl. 9.17578 -0.47590805 -0.07890611
P 7.67
From 2153 observations 2013 Jan. 1-2023 Apr. 21, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0207.

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 10884 observations 1995 July 3-2023 Apr. 17, mean residual 0".8.
Nongravitational parameters A1 = +0.08, A2 = +0.0111.

68P/Klemola
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2019 Nov. 8.95443 TT Rudenko
q 1.7994600 (2000.0) P Q
n 0.08924321 Peri. 153.25009 +0.85151320 +0.52406910
a 4.9592873 Node 175.04704 -0.50894129 +0.83373297
e 0.6371535 Incl. 11.11127 -0.12611117 +0.17389914
P 11.0
From 1975 observations 1965 Nov. 18-2021 Jan. 11, mean residual 0".6.
Nongravitational parameters A1 = +0.07, A2 = -0.0021.

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 1077 observations 2016 Feb. 12-2023 Apr. 4, mean residual 0".7.
Nongravitational parameters A1 = +3.09, A2 = +0.3682.

77P/Longmore
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 3.13106 TT Rudenko
q 2.3487634 (2000.0) P Q
n 0.14286817 Peri. 196.73450 -0.85912956 +0.50087595
a 3.6239239 Node 14.76806 -0.40958390 -0.54999959
e 0.3518729 Incl. 24.31896 -0.30681823 -0.66829913
P 6.90
From 2396 observations 1975 Aug. 11-2023 Apr. 21, mean residual 0".8.
Nongravitational parameters A1 = +0.06, A2 = -0.0474.

80P/Peters-Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Dec. 8.84461 TT Rudenko
q 1.6153333 (2000.0) P Q
n 0.12212903 Peri. 339.24144 -0.46797657 +0.73482214
a 4.0233712 Node 259.79602 -0.72409488 -0.63731002
e 0.5985125 Incl. 29.92345 -0.50664045 +0.23210420
P 8.07
From 43 observations 2014 June 22-2023 Apr. 17, mean residual 0".7.
Nongravitational parameters A1 = +1.32, A2 = +0.1492.

81P/Wild
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Dec. 15.61404 TT Rudenko
q 1.5984350 (2000.0) P Q
n 0.15351079 Peri. 41.62486 -0.99847638 -0.03888969
a 3.4544330 Node 136.09896 +0.02222248 -0.93275670
e 0.5372801 Incl. 3.23640 +0.05050818 -0.35840275
P 6.42
From 2278 observations 2014 Oct. 18-2023 Apr. 21, mean residual 0".7.
Nongravitational parameters A1 = +0.37, A2 = +0.2617.

89P/Russell
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Mar. 26.55867 TT Rudenko
q 2.2216349 (2000.0) P Q
n 0.13553972 Peri. 250.39779 +0.35671045 +0.92394235
a 3.7534012 Node 41.34697 -0.75947962 +0.37292119
e 0.4081009 Incl. 12.07182 -0.54401136 +0.08520751
P 7.27
From 201 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 21.08322 TT Rudenko
q 2.2270635 (2000.0) P Q
n 0.14991177 Peri. 92.41899 -0.95219906 -0.28800827
a 3.5095025 Node 70.85615 +0.21944182 -0.87678693
e 0.3654190 Incl. 6.18764 +0.21251408 -0.38509208
P 6.57
From 2096 observations 1984 Mar. 4-2023 Apr. 19, 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. 31.08400 TT Rudenko
q 0.1164124 (2000.0) P Q
n 0.18695086 Peri. 14.74584 -0.20304008 -0.50072130
a 3.0291288 Node 93.95100 +0.79111366 -0.59027470
e 0.9615690 Incl. 57.50768 +0.57698692 +0.63313028
P 5.27
From 132 observations 2023 Feb. 8-Apr. 20, mean residual 0".4.
Nongravitational parameters A1 = -0.66, A2 = -0.3532.

99P/Kowal
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 11.66808 TT Rudenko
q 4.7056830 (2000.0) P Q
n 0.06539688 Peri. 174.83093 -0.92084313 +0.38830066
a 6.1014260 Node 28.10153 -0.36041400 -0.81267921
e 0.2287569 Incl. 4.33986 -0.14882770 -0.43448256
P 15.1
From 1572 observations 1977 Apr. 25-2023 Apr. 17, mean residual 0".6.

103P/Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Oct. 12.52741 TT Rudenko
q 1.0641475 (2000.0) P Q
n 0.15216070 Peri. 181.30106 +0.75451634 -0.63879755
a 3.4748366 Node 219.75140 +0.60423167 +0.76565767
e 0.6937561 Incl. 13.61030 +0.25614289 +0.07553822
P 6.48
From 6325 observations 2004 Sept. 20-2023 Apr. 19, mean residual 0".6.
Nongravitational parameters A1 = +0.09, A2 = +0.0250.

110P/Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Oct. 18.39096 TT Rudenko
q 2.4553031 (2000.0) P Q
n 0.14406338 Peri. 167.46427 -0.09114005 -0.97686597
a 3.6038522 Node 287.51735 +0.89525513 +0.00470686
e 0.3187004 Incl. 11.70465 +0.43613271 -0.21380064
P 6.84
From 2590 observations 2013 Aug. 11-2023 Apr. 16, mean residual 0".6.

113P/Spitaler
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 June 1.51592 TT Rudenko
q 2.1419116 (2000.0) P Q
n 0.13893387 Peri. 115.54369 +0.46296007 -0.88329030
a 3.6920193 Node 306.67867 +0.77656279 +0.44440298
e 0.4198536 Incl. 5.28945 +0.42733851 +0.14934605
P 7.09
From 500 observations 2015 Jan. 19-2023 Apr. 15, mean residual 0".7.

116P/Wild
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 July 16.83411 TT Rudenko
q 2.1968704 (2000.0) P Q
n 0.15121195 Peri. 173.26348 -0.96917895 +0.24532800
a 3.4893563 Node 20.97929 -0.22886023 -0.86277111
e 0.3704081 Incl. 3.60338 -0.09118750 -0.44208618
P 6.52
From 2951 observations 2014 Oct. 31-2023 Apr. 11, mean residual 0".7.

117P/Helin-Roman-Alu
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 July 8.13241 TT Rudenko
q 3.0398908 (2000.0) P Q
n 0.11942851 Peri. 223.01988 +0.19873517 +0.97146127
a 4.0837961 Node 58.83644 -0.85311057 +0.23651063
e 0.2556213 Incl. 8.70378 -0.48239682 -0.01804780
P 8.25
From 4076 observations 2010 Nov. 3-2023 Apr. 20, mean residual 0".6.
Nongravitational parameters A1 = -0.08, A2 = -0.0286.

118P/Shoemaker-Levy
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 24.34993 TT Rudenko
q 1.8290128 (2000.0) P Q
n 0.16098121 Peri. 314.84290 -0.12757119 -0.98597081
a 3.3467190 Node 142.09723 +0.95223825 -0.15211315
e 0.4534908 Incl. 10.09164 +0.27743091 +0.06872521
P 6.12
From 1770 observations 2015 Sept. 15-2023 Apr. 21, mean residual 0".6.
Nongravitational parameters A1 = -0.21, A2 = -0.0052.

119P/Parker-Hartley
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Aug. 12.06729 TT Rudenko
q 2.3276575 (2000.0) P Q
n 0.13279760 Peri. 322.08491 +0.39130770 -0.91179395
a 3.8048940 Node 104.57101 +0.87265241 +0.32468686
e 0.3882464 Incl. 7.39322 +0.29215757 +0.25141648
P 7.42
From 1433 observations 2021 July 2-2023 Apr. 21, mean residual 0".5.
Nongravitational parameters A1 = -1.03, A2 = +0.1658.

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 405 observations 1983 July 1-2023 Apr. 8, mean residual 1".0.
Nongravitational parameters A1 = +0.29, A2 = -0.0655.

129P/Shoemaker-Levy
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 29.97408 TT Rudenko
q 3.9243703 (2000.0) P Q
n 0.11096624 Peri. 307.43593 -0.67285224 -0.73975940
a 4.2888627 Node 184.86106 +0.69628618 -0.63095743
e 0.0849858 Incl. 3.44242 +0.24991082 -0.23377071
P 8.88
From 403 observations 2010 Sept. 4-2023 Mar. 19, mean residual 0".6.
Nongravitational parameters A1 = +0.12, A2 = -0.0121.

130P/McNaught-Hughes
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 14.80272 TT Rudenko
q 1.8229540 (2000.0) P Q
n 0.15840721 Peri. 246.10477 +0.71799483 +0.68891919
a 3.3828761 Node 70.18188 -0.59402281 +0.68088501
e 0.4611230 Incl. 6.06303 -0.36279516 +0.24856779
P 6.22
From 1206 observations 1991 Sept. 14-2023 Apr. 21, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = +0.0011.

148P/Anderson-LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 June 13.70184 TT Rudenko
q 1.6286404 (2000.0) P Q
n 0.14316004 Peri. 8.03932 -0.12584393 -0.98999675
a 3.6189966 Node 89.20663 +0.90660207 -0.14087557
e 0.5499746 Incl. 3.65799 +0.40278528 +0.00777833
P 6.88
From 141 observations 2014 Aug. 27-2023 Apr. 18, mean residual 0".4.
Nongravitational parameters A1 = +0.12, A2 = +0.0001.

157P/Tritton
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Sept. 9.82125 TT Rudenko
q 1.5718222 (2000.0) P Q
n 0.14764797 Peri. 155.06967 +0.11913882 -0.97146827
a 3.5452842 Node 287.54482 +0.87107977 +0.20138903
e 0.5566442 Incl. 12.42017 +0.47647243 -0.12526712
P 6.68
From 242 observations 2021 July 17-2023 Apr. 13, mean residual 0".8.
Nongravitational parameters A1 = -0.15, A2 = -0.2535.

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 3194 observations 1990 Mar. 23-2023 Apr. 18, mean residual 0".4.

169P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 July 9.68827 TT Rudenko
q 0.6028991 (2000.0) P Q
n 0.23474438 Peri. 218.05431 +0.82670515 -0.56247767
a 2.6025909 Node 176.10114 +0.55221440 +0.80662971
e 0.7683466 Incl. 11.29845 +0.10778613 +0.18156923
P 4.20
From 1352 observations 1989 Mar. 7-2023 Apr. 17, mean residual 0".5.

179P/Jedicke
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 May 30.84150 TT Rudenko
q 4.1180948 (2000.0) P Q
n 0.06820703 Peri. 296.99116 +0.56067829 -0.76895998
a 5.9326666 Node 115.51432 +0.82755192 +0.50772307
e 0.3058611 Incl. 19.89756 +0.02824323 +0.38848144
P 14.5
From 463 observations 2006 Oct. 22-2023 Mar. 19, mean residual 0".6.

180P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 July 12.22215 TT Rudenko
q 2.5008001 (2000.0) P Q
n 0.12960705 Peri. 94.67303 -0.95726259 -0.01672533
a 3.8670843 Node 84.56841 -0.10656124 -0.90769835
e 0.3533112 Incl. 16.86026 +0.26887365 -0.41928985
P 7.60
From 1050 observations 1955 May 14-2023 Apr. 21, mean residual 0".7.
Nongravitational parameters A1 = +0.62, A2 = +0.0298.

199P/Shoemaker
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Aug. 7.57634 TT Rudenko
q 2.9102939 (2000.0) P Q
n 0.06906420 Peri. 191.77396 +0.22499153 +0.87859365
a 5.8834769 Node 92.34862 -0.85624686 +0.38460818
e 0.5053445 Incl. 24.93594 -0.46499477 -0.28310731
P 14.3
From 603 observations 2008 May 2-2023 Apr. 19, mean residual 0".7.
Nongravitational parameters A1 = -0.27, A2 = -0.3773.

204P/LINEAR-NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 16.86361 TT Rudenko
q 1.8343800 (2000.0) P Q
n 0.14539702 Peri. 356.65469 -0.26177808 -0.95896068
a 3.5817812 Node 108.49916 +0.88813268 -0.28353160
e 0.4878582 Incl. 6.59611 +0.37774672 +0.00206168
P 6.78
From 929 observations 2015 Oct. 11-2023 Apr. 19, mean residual 0".5.
Nongravitational parameters A1 = +0.22, A2 = -0.0071.

211P/Hill
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 4.63742 TT Rudenko
q 2.3275602 (2000.0) P Q
n 0.14749075 Peri. 4.29013 -0.51771812 -0.80542099
a 3.5478033 Node 117.13035 +0.77498943 -0.58436853
e 0.3439433 Incl. 18.91902 +0.36243527 +0.09904774
P 6.68
From 867 observations 2008 Dec. 4-2023 Apr. 13, mean residual 1".0.

230P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Mar. 19.38564 TT Rudenko
q 1.5689356 (2000.0) P Q
n 0.15362335 Peri. 313.46100 +0.46822135 -0.84599093
a 3.4527455 Node 106.97685 +0.86800649 +0.38635536
e 0.5455977 Incl. 15.46840 +0.16532847 +0.36746276
P 6.42
From 1510 observations 1997 Jan. 10-2023 Apr. 14, mean residual 0".5.

237P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 14.67830 TT Rudenko
q 1.9870431 (2000.0) P Q
n 0.14981664 Peri. 25.26159 -0.00072497 +0.97546654
a 3.5109880 Node 245.35860 -0.95368217 -0.06689790
e 0.4340502 Incl. 14.01658 -0.30081522 +0.20973723
P 6.58
From 682 observations 2002 June 18-2023 Apr. 19, mean residual 0".7.

244P/Scotti
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 17.46436 TT Rudenko
q 3.9204320 (2000.0) P Q
n 0.09095485 Peri. 93.13384 +0.05000725 -0.99874034
a 4.8968727 Node 353.99510 +0.89996435 +0.04685131
e 0.1994009 Incl. 2.25932 +0.43308596 +0.01796354
P 10.8
From 1779 observations 2000 Nov. 29-2023 Apr. 20, 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. 12.23505 TT Rudenko
q 2.7003162 (2000.0) P Q
n 0.09862317 Peri. 124.19338 -0.80922971 +0.36757675
a 4.6396307 Node 81.33032 -0.56089497 -0.71545159
e 0.4179890 Incl. 27.61917 +0.17476876 -0.59415179
P 9.99
From 231 observations 2003 Jan. 27-2023 Apr. 16, mean residual 0".9.

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 -0.76107554 -0.61945212
a 3.0417642 Node 105.50990 +0.54013831 -0.76950298
e 0.5935585 Incl. 11.52172 +0.35918607 -0.15538414
P 5.31
From 663 observations 2006 Nov. 10-2023 Apr. 21, mean residual 0".5.

274P/Tombaugh-Tenagra
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Apr. 8.46730 TT Rudenko
q 2.4529627 (2000.0) P Q
n 0.10762017 Peri. 38.47204 -0.47369978 -0.83846146
a 4.3773064 Node 81.32850 +0.72545097 -0.54494836
e 0.4396182 Incl. 15.81561 +0.49932896 -0.00369634
P 9.16
From 891 observations 1931 Jan. 13-2023 Apr. 17, mean residual 0".7.

289P/Blanpain
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Apr. 14.47195 TT Rudenko
q 0.9560307 (2000.0) P Q
n 0.18545514 Peri. 9.83991 +0.19632412 -0.97584009
a 3.0453938 Node 68.88734 +0.89249589 +0.13734311
e 0.6860732 Incl. 5.89922 +0.40608858 +0.16992053
P 5.31
From 368 observations 2013 July 4-2020 Mar. 15, mean residual 0".8.

291P/NEAT
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 4.14543 TT Rudenko
q 2.5652253 (2000.0) P Q
n 0.10184077 Peri. 173.53209 +0.62609999 -0.77419854
a 4.5413844 Node 237.66260 +0.71038742 +0.61543290
e 0.4351446 Incl. 6.30705 +0.32147864 +0.14784780
P 9.68
From 921 observations 2003 Sept. 4-2023 Feb. 19, mean residual 0".9.

299P/Catalina-PANSTARRS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2024 Apr. 30.75733 TT Rudenko
q 3.1556322 (2000.0) P Q
n 0.10721165 Peri. 323.75568 -0.55863623 +0.80928673
a 4.3884189 Node 271.60062 -0.71183688 -0.58018961
e 0.2809182 Incl. 10.46742 -0.42569216 -0.09184224
P 9.19
From 359 observations 2005 Mar. 11-2023 Apr. 20, mean residual 0".7.

300P/Catalina
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 11.11413 TT Rudenko
q 0.8320729 (2000.0) P Q
n 0.22232949 Peri. 222.95291 +0.74652336 +0.65804383
a 2.6985968 Node 95.62411 -0.58052002 +0.71643224
e 0.6916646 Incl. 5.67405 -0.32511442 +0.23173944
P 4.43
From 801 observations 2005 May 6-2023 Apr. 11, mean residual 0".8.
Nongravitational parameters A1 = +0.04, A2 = -0.0078.

302P/Lemmon-PANSTARRS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2025 Mar. 8.59430 TT Rudenko
q 3.2891143 (2000.0) P Q
n 0.11159070 Peri. 208.49018 +0.86569975 +0.49251566
a 4.2728473 Node 121.73078 -0.43700453 +0.83072394
e 0.2302289 Incl. 6.03353 -0.24411264 +0.25947267
P 8.83
From 173 observations 2007 Aug. 16-2023 Apr. 17, mean residual 0".6.

364P/PANSTARRS
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 May 14.01607 TT Rudenko
q 0.8013034 (2000.0) P Q
n 0.20161986 Peri. 212.00963 -0.21364485 +0.96507519
a 2.8803627 Node 46.15487 -0.84612605 -0.10523043
e 0.7218047 Incl. 12.13498 -0.48828945 -0.23990921
P 4.89
From 1380 observations 2013 Feb. 1-2023 Apr. 19, mean residual 0".7.
Nongravitational parameters A1 = +0.01, A2 = -0.0004.

402P/LINEAR
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2021 Dec. 14.79987 TT Rudenko
q 3.9380568 (2000.0) P Q
n 0.05292513 Peri. 326.76166 -0.06236344 -0.90089522
a 7.0257833 Node 123.09043 +0.99043093 -0.10895112
e 0.4394850 Incl. 30.84288 +0.12311527 +0.42013980
P 18.6
From 1033 observations 2020 Sept. 11-2023 Apr. 19, mean residual 0".4.
Nongravitational parameters A1 = -1.28, A2 = -0.0121.

451P/Christensen
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Nov. 27.53421 TT Rudenko
q 2.7985256 (2000.0) P Q
n 0.06175857 Peri. 186.69701 -0.59976788 -0.70278737
a 6.3387634 Node 300.91175 +0.75327880 -0.33462444
e 0.5585061 Incl. 26.48221 +0.26990654 -0.62778691
P 16.0
From 158 observations 2006 Nov. 24-2023 Apr. 18, mean residual 0".6.

452P/Sheppard-Jewitt
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Apr. 25.67470 TT Rudenko
q 4.1781730 (2000.0) P Q
n 0.05002549 Peri. 37.05229 -0.94095033 -0.32550235
a 7.2947178 Node 123.69900 +0.27758055 -0.89915275
e 0.4272331 Incl. 6.42251 +0.19380794 -0.29252788
P 19.7
From 235 observations 2003 Feb. 2-2023 Apr. 18, mean residual 0".9.

453P/WISE-Lemmon
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Mar. 3.01936 TT Rudenko
q 2.2784769 (2000.0) P Q
n 0.07731211 Peri. 70.82552 -0.33189371 -0.89101385
a 5.4572144 Node 42.89740 +0.59945732 -0.45274655
e 0.5824835 Incl. 27.06780 +0.72835258 -0.03338995
P 12.7
From 317 observations 2010 Jan. 29-2023 Apr. 18, mean residual 0".7.

458P/Jahn
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2022 Oct. 30.09088 TT Rudenko
q 2.6341546 (2000.0) P Q
n 0.13019678 Peri. 104.78508 -0.28111163 -0.95965290
a 3.8553981 Node 1.58649 +0.76468614 -0.22809696
e 0.3167620 Incl. 13.62896 +0.57985460 -0.16443262
P 7.57
From 65 observations 2013 Nov. 23-2023 Mar. 25, mean residual 0".4.

459P/Catalina
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5
T 2023 Feb. 21.37986 TT Rudenko
q 1.3681583 (2000.0) P Q
n 0.16912120 Peri. 205.17692 -0.20770470 -0.97059791
a 3.2384512 Node 257.00099 +0.91727618 -0.15005838
e 0.5775270 Incl. 7.17199 +0.33979871 -0.18820781
P 5.83
From 418 observations 2022 June 28-2023 Apr. 17, mean residual 0".5.