Коррекция орбиты некоторых периодических комет от 13 августа ..
Добавлено: 13 авг 2026 22:22Коррекция орбиты некоторых периодических комет от 13 августа 2026 года, MPEC 2026-P117
Orbital elements:
2P/Encke
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 Feb. 10.22899 TT Pike
q 0.3386646 (2000.0) P Q
n 0.29841144 Peri. 187.28405 -0.94614459 -0.31205853
a 2.2178172 Node 334.01955 +0.30607007 -0.77543518
e 0.8472982 Incl. 11.34798 +0.10550600 -0.54892601
P 3.30
From 3384 observations 2009 Aug. 15-2026 Aug. 11, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
10P/Tempel
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Aug. 2.11493 TT Pike
q 1.4177375 (2000.0) P Q
n 0.18367898 Peri. 195.46785 +0.68019944 +0.70947232
a 3.0649948 Node 117.79751 -0.64849771 +0.69965559
e 0.5374421 Incl. 12.02726 -0.34173007 +0.08444568
P 5.37
From 6585 observations 2003 Mar. 7-2026 Aug. 12, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = +0.0008.
11P/Tempel-Swift-LINEAR
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Nov. 9.95591 TT Pike
q 1.3874513 (2000.0) P Q
n 0.16574006 Peri. 168.07004 +0.67740166 -0.70401595
a 3.2823463 Node 238.85275 +0.65276369 +0.70896350
e 0.5772989 Incl. 14.43051 +0.33915566 +0.04162084
P 5.95
From 1196 observations 2014 July 27-2026 Aug. 10, mean residual 0".5.
Nongravitational parameters A1 = +0.10, A2 = -0.0128.
14P/Wolf
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 19.04644 TT Pike
q 2.7385183 (2000.0) P Q
n 0.11228275 Peri. 159.20803 +0.98429156 +0.01953815
a 4.2552722 Node 202.00891 -0.01148432 +0.99883834
e 0.3564411 Incl. 27.91889 +0.17617674 -0.04404812
P 8.78
From 416 observations 1992 July 27-2026 Aug. 12, mean residual 0".4.
78P/Gehrels
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 25.11379 TT Pike
q 2.0045080 (2000.0) P Q
n 0.13671979 Peri. 192.79865 +0.72852953 -0.68277765
a 3.7317723 Node 210.49409 +0.63770267 +0.70548525
e 0.4628536 Incl. 6.25766 +0.25016001 +0.19001380
P 7.21
From 2833 observations 2018 May 15-2026 Aug. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.56, A2 = -0.0898.
84P/Giclas
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 Feb. 12.71839 TT Pike
q 1.7198509 (2000.0) P Q
n 0.14736238 Peri. 281.74010 +0.85951752 -0.49559846
a 3.5498634 Node 108.07988 +0.50501266 +0.78586473
e 0.5155163 Incl. 7.55264 +0.07868834 +0.36986320
P 6.69
From 1669 observations 1999 Sept. 12-2026 Aug. 12, mean residual 0".9.
Nongravitational parameters A1 = -0.01, A2 = +0.0007.
88P/Howell
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Mar. 18.74905 TT Pike
q 1.3577713 (2000.0) P Q
n 0.17979567 Peri. 235.85772 +0.38107176 +0.92233911
a 3.1089702 Node 56.66768 -0.82111407 +0.36936527
e 0.5632730 Incl. 4.38186 -0.42491881 +0.11340134
P 5.48
From 2999 observations 2015 July 7-2026 Aug. 13, mean residual 0".9.
Nongravitational parameters A1 = +0.91, A2 = +0.0078.
112P/Urata-Niijima
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 21.86598 TT Pike
q 1.4411645 (2000.0) P Q
n 0.14917449 Peri. 21.58533 +0.61355096 -0.75953603
a 3.5210567 Node 31.79420 +0.65115946 +0.33189765
e 0.5907011 Incl. 24.20403 +0.44670636 +0.55941843
P 6.61
From 522 observations 2006 Aug. 2-2026 Aug. 13, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = +0.0042.
114P/Wiseman-Skiff
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 15.00046 TT Pike
q 1.5707020 (2000.0) P Q
n 0.14808916 Peri. 172.85111 +0.10044477 -0.94409462
a 3.5382394 Node 271.02146 +0.89659115 +0.22270403
e 0.5560781 Incl. 18.30349 +0.43131793 -0.24308079
P 6.66
From 1883 observations 2006 July 21-2026 Aug. 11, mean residual 0".7.
139P/Vaisala-Oterma
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 July 23.32462 TT Pike
q 3.3924774 (2000.0) P Q
n 0.10285724 Peri. 166.11387 +0.66591958 -0.74515137
a 4.5114154 Node 242.11965 +0.68050945 +0.62653907
e 0.2480237 Incl. 2.33825 +0.30570902 +0.22846932
P 9.58
From 572 observations 1939 Oct. 7-2026 Aug. 11, mean residual 0".7.
161P/Hartley-IRAS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Nov. 27.18577 TT Pike
q 1.2651079 (2000.0) P Q
n 0.04593481 Peri. 47.06759 +0.68281117 -0.73014584
a 7.7216142 Node 1.47514 -0.34141630 -0.34988314
e 0.8361602 Incl. 95.79086 +0.64591317 +0.58691469
P 21.5
From 325 observations 2004 Nov. 3-2026 Aug. 13, mean residual 0".7.
Nongravitational parameters A1 = +0.44, A2 = -0.1251.
162P/Siding Spring
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 May 17.84696 TT Pike
q 1.2895161 (2000.0) P Q
n 0.18136951 Peri. 357.25268 +0.87917416 -0.41319886
a 3.0909586 Node 30.86723 +0.44552643 +0.53618744
e 0.5828103 Incl. 27.55251 +0.16899406 +0.73605008
P 5.43
From 3246 observations 1990 Mar. 23-2026 Aug. 11, mean residual 0".4.
169P/NEAT
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 21.38828 TT Pike
q 0.6043162 (2000.0) P Q
n 0.23459513 Peri. 218.13643 +0.82654135 -0.56271329
a 2.6036947 Node 176.03436 +0.55245549 +0.80640015
e 0.7679005 Incl. 11.28481 +0.10780688 +0.18185861
P 4.20
From 2398 observations 1989 Mar. 7-2026 Aug. 12, mean residual 0".5.
178P/Hug-Bell
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 June 21.57317 TT Pike
q 1.8814692 (2000.0) P Q
n 0.14236030 Peri. 297.96306 +0.74150925 -0.64417504
a 3.6325376 Node 102.78378 +0.66310160 +0.66097901
e 0.4820510 Incl. 11.09244 +0.10227561 +0.38489644
P 6.92
From 1076 observations 1999 Oct. 10-2026 Aug. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.46, A2 = -0.0146.
220P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 14.12075 TT Pike
q 1.5593046 (2000.0) P Q
n 0.17877633 Peri. 180.56369 +0.87157124 +0.48518056
a 3.1207768 Node 150.08381 -0.44925828 +0.84790983
e 0.5003473 Incl. 8.12081 -0.19629203 +0.21365569
P 5.51
From 1289 observations 2004 May 20-2026 Aug. 13, mean residual 0".8.
223P/Skiff
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 July 24.89311 TT Pike
q 2.4283451 (2000.0) P Q
n 0.11623459 Peri. 37.98682 +0.89325450 -0.43721746
a 4.1582678 Node 346.68517 +0.21187594 +0.61462262
e 0.4160200 Incl. 27.00748 +0.39649084 +0.65656677
P 8.48
From 792 observations 2001 July 27-2026 Aug. 11, mean residual 0".6.
Nongravitational parameters A1 = -0.32, A2 = +0.0008.
235P/LINEAR
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Dec. 22.70591 TT Pike
q 1.9779283 (2000.0) P Q
n 0.15404480 Peri. 352.21049 -0.97606676 +0.20938206
a 3.4464450 Node 200.16864 -0.18920898 -0.95083441
e 0.4260961 Incl. 9.81269 -0.10720841 -0.22819527
P 6.40
From 1727 observations 2024 Nov. 21-2026 Aug. 13, mean residual 0".7.
245P/WISE
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Mar. 31.10630 TT Pike
q 2.2055857 (2000.0) P Q
n 0.12071764 Peri. 316.69076 +0.09032389 +0.96457865
a 4.0546704 Node 316.66588 -0.78646683 -0.08359590
e 0.4560382 Incl. 21.17175 -0.61099225 +0.25019941
P 8.16
From 131 observations 2002 Aug. 27-2026 Aug. 8, mean residual 0".9.
260P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Aug. 5.00896 TT Pike
q 1.4179670 (2000.0) P Q
n 0.14290668 Peri. 18.51431 +0.98875725 -0.14151220
a 3.6232727 Node 349.27125 +0.08170741 +0.78187189
e 0.6086502 Incl. 15.03938 +0.12523179 +0.60716607
P 6.90
From 7058 observations 2005 May 20-2026 Aug. 12, mean residual 0".5.
Nongravitational parameters A1 = +0.01, A2 = -0.0018.
320P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 27.79003 TT Pike
q 0.9752915 (2000.0) P Q
n 0.18089981 Peri. 0.75840 +0.44929532 +0.89007372
a 3.0963068 Node 295.94287 -0.82011233 +0.37681091
e 0.6850146 Incl. 4.90116 -0.35432963 +0.25648061
P 5.45
From 129 observations 2004 Sept. 2-2026 Aug. 13, mean residual 0".7.
Nongravitational parameters A1 = -0.05, A2 = -0.0026.
351P/Wiegert-PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Mar. 25.79542 TT Pike
q 3.1310792 (2000.0) P Q
n 0.10538820 Peri. 352.48855 +0.10539336 +0.97087320
a 4.4388934 Node 283.37984 -0.90048581 +0.00137202
e 0.2946262 Incl. 12.77786 -0.42192126 +0.23958996
P 9.35
From 296 observations 1998 Oct. 18-2026 Aug. 11, mean residual 0".6.
356P/WISE
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 12.48709 TT Pike
q 2.6744768 (2000.0) P Q
n 0.11659506 Peri. 226.29980 +0.88727663 -0.45791984
a 4.1496927 Node 160.74599 +0.45649776 +0.85472118
e 0.3555000 Incl. 9.64055 +0.06595442 +0.24446089
P 8.45
From 231 observations 2009 Nov. 9-2026 Aug. 11, mean residual 0".8.
435P/PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Oct. 26.58897 TT Pike
q 2.0628905 (2000.0) P Q
n 0.18758625 Peri. 244.16177 +0.90682631 +0.27444322
a 3.0222847 Node 98.52362 -0.16382743 +0.92880110
e 0.3174400 Incl. 18.87412 -0.38836402 +0.24901696
P 5.25
From 102 observations 2002 Jan. 9-2026 Aug. 13, mean residual 0".2.
491P/Spacewatch-PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2024 Sept. 5.58013 TT Pike
q 3.7151672 (2000.0) P Q
n 0.08783396 Peri. 298.80167 -0.32532393 +0.93775771
a 5.0121926 Node 311.68354 -0.80091642 -0.34159540
e 0.2587741 Incl. 9.36696 -0.50269000 -0.06263434
P 11.2
From 521 observations 2013 May 4-2026 Aug. 12, mean residual 0".6.
502P/NEAT
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Aug. 4.76114 TT Pike
q 4.2291533 (2000.0) P Q
n 0.04361719 Peri. 37.70610 +0.52059962 +0.83082986
a 7.9927748 Node 264.47568 -0.82353865 +0.42783912
e 0.4708780 Incl. 11.39872 -0.22530009 +0.35591492
P 22.6
From 293 observations 2002 June 11-2026 Aug. 11, mean residual 0".6.
510P/Boattini
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 9.17955 TT Pike
q 4.8752687 (2000.0) P Q
n 0.05974500 Peri. 86.68934 +0.98169426 -0.12845509
a 6.4803982 Node 280.65724 +0.05875158 +0.90656234
e 0.2476899 Incl. 8.22694 +0.18117571 +0.40204976
P 16.5
From 164 observations 2009 Sept. 17-2026 Aug. 9, mean residual 0".5.
512P/PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Dec. 3.92126 TT Pike
q 4.8025390 (2000.0) P Q
n 0.07250326 Peri. 308.60432 +0.90695755 -0.36576383
a 5.6959261 Node 73.73674 +0.42121310 +0.79076014
e 0.1568467 Incl. 12.56937 -0.00274281 +0.49083115
P 13.6
From 99 observations 2011 Sept. 23-2026 Aug. 11, mean residual 0".3.
Orbital elements:
2P/Encke
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 Feb. 10.22899 TT Pike
q 0.3386646 (2000.0) P Q
n 0.29841144 Peri. 187.28405 -0.94614459 -0.31205853
a 2.2178172 Node 334.01955 +0.30607007 -0.77543518
e 0.8472982 Incl. 11.34798 +0.10550600 -0.54892601
P 3.30
From 3384 observations 2009 Aug. 15-2026 Aug. 11, mean residual 0".8.
Nongravitational parameters A1 = +0.01, A2 = -0.0001.
10P/Tempel
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Aug. 2.11493 TT Pike
q 1.4177375 (2000.0) P Q
n 0.18367898 Peri. 195.46785 +0.68019944 +0.70947232
a 3.0649948 Node 117.79751 -0.64849771 +0.69965559
e 0.5374421 Incl. 12.02726 -0.34173007 +0.08444568
P 5.37
From 6585 observations 2003 Mar. 7-2026 Aug. 12, mean residual 0".6.
Nongravitational parameters A1 = +0.03, A2 = +0.0008.
11P/Tempel-Swift-LINEAR
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Nov. 9.95591 TT Pike
q 1.3874513 (2000.0) P Q
n 0.16574006 Peri. 168.07004 +0.67740166 -0.70401595
a 3.2823463 Node 238.85275 +0.65276369 +0.70896350
e 0.5772989 Incl. 14.43051 +0.33915566 +0.04162084
P 5.95
From 1196 observations 2014 July 27-2026 Aug. 10, mean residual 0".5.
Nongravitational parameters A1 = +0.10, A2 = -0.0128.
14P/Wolf
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 19.04644 TT Pike
q 2.7385183 (2000.0) P Q
n 0.11228275 Peri. 159.20803 +0.98429156 +0.01953815
a 4.2552722 Node 202.00891 -0.01148432 +0.99883834
e 0.3564411 Incl. 27.91889 +0.17617674 -0.04404812
P 8.78
From 416 observations 1992 July 27-2026 Aug. 12, mean residual 0".4.
78P/Gehrels
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 25.11379 TT Pike
q 2.0045080 (2000.0) P Q
n 0.13671979 Peri. 192.79865 +0.72852953 -0.68277765
a 3.7317723 Node 210.49409 +0.63770267 +0.70548525
e 0.4628536 Incl. 6.25766 +0.25016001 +0.19001380
P 7.21
From 2833 observations 2018 May 15-2026 Aug. 13, mean residual 0".6.
Nongravitational parameters A1 = -0.56, A2 = -0.0898.
84P/Giclas
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 Feb. 12.71839 TT Pike
q 1.7198509 (2000.0) P Q
n 0.14736238 Peri. 281.74010 +0.85951752 -0.49559846
a 3.5498634 Node 108.07988 +0.50501266 +0.78586473
e 0.5155163 Incl. 7.55264 +0.07868834 +0.36986320
P 6.69
From 1669 observations 1999 Sept. 12-2026 Aug. 12, mean residual 0".9.
Nongravitational parameters A1 = -0.01, A2 = +0.0007.
88P/Howell
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Mar. 18.74905 TT Pike
q 1.3577713 (2000.0) P Q
n 0.17979567 Peri. 235.85772 +0.38107176 +0.92233911
a 3.1089702 Node 56.66768 -0.82111407 +0.36936527
e 0.5632730 Incl. 4.38186 -0.42491881 +0.11340134
P 5.48
From 2999 observations 2015 July 7-2026 Aug. 13, mean residual 0".9.
Nongravitational parameters A1 = +0.91, A2 = +0.0078.
112P/Urata-Niijima
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 21.86598 TT Pike
q 1.4411645 (2000.0) P Q
n 0.14917449 Peri. 21.58533 +0.61355096 -0.75953603
a 3.5210567 Node 31.79420 +0.65115946 +0.33189765
e 0.5907011 Incl. 24.20403 +0.44670636 +0.55941843
P 6.61
From 522 observations 2006 Aug. 2-2026 Aug. 13, mean residual 0".7.
Nongravitational parameters A1 = +0.05, A2 = +0.0042.
114P/Wiseman-Skiff
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 15.00046 TT Pike
q 1.5707020 (2000.0) P Q
n 0.14808916 Peri. 172.85111 +0.10044477 -0.94409462
a 3.5382394 Node 271.02146 +0.89659115 +0.22270403
e 0.5560781 Incl. 18.30349 +0.43131793 -0.24308079
P 6.66
From 1883 observations 2006 July 21-2026 Aug. 11, mean residual 0".7.
139P/Vaisala-Oterma
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 July 23.32462 TT Pike
q 3.3924774 (2000.0) P Q
n 0.10285724 Peri. 166.11387 +0.66591958 -0.74515137
a 4.5114154 Node 242.11965 +0.68050945 +0.62653907
e 0.2480237 Incl. 2.33825 +0.30570902 +0.22846932
P 9.58
From 572 observations 1939 Oct. 7-2026 Aug. 11, mean residual 0".7.
161P/Hartley-IRAS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Nov. 27.18577 TT Pike
q 1.2651079 (2000.0) P Q
n 0.04593481 Peri. 47.06759 +0.68281117 -0.73014584
a 7.7216142 Node 1.47514 -0.34141630 -0.34988314
e 0.8361602 Incl. 95.79086 +0.64591317 +0.58691469
P 21.5
From 325 observations 2004 Nov. 3-2026 Aug. 13, mean residual 0".7.
Nongravitational parameters A1 = +0.44, A2 = -0.1251.
162P/Siding Spring
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 May 17.84696 TT Pike
q 1.2895161 (2000.0) P Q
n 0.18136951 Peri. 357.25268 +0.87917416 -0.41319886
a 3.0909586 Node 30.86723 +0.44552643 +0.53618744
e 0.5828103 Incl. 27.55251 +0.16899406 +0.73605008
P 5.43
From 3246 observations 1990 Mar. 23-2026 Aug. 11, mean residual 0".4.
169P/NEAT
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 21.38828 TT Pike
q 0.6043162 (2000.0) P Q
n 0.23459513 Peri. 218.13643 +0.82654135 -0.56271329
a 2.6036947 Node 176.03436 +0.55245549 +0.80640015
e 0.7679005 Incl. 11.28481 +0.10780688 +0.18185861
P 4.20
From 2398 observations 1989 Mar. 7-2026 Aug. 12, mean residual 0".5.
178P/Hug-Bell
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 June 21.57317 TT Pike
q 1.8814692 (2000.0) P Q
n 0.14236030 Peri. 297.96306 +0.74150925 -0.64417504
a 3.6325376 Node 102.78378 +0.66310160 +0.66097901
e 0.4820510 Incl. 11.09244 +0.10227561 +0.38489644
P 6.92
From 1076 observations 1999 Oct. 10-2026 Aug. 7, mean residual 0".8.
Nongravitational parameters A1 = +0.46, A2 = -0.0146.
220P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 14.12075 TT Pike
q 1.5593046 (2000.0) P Q
n 0.17877633 Peri. 180.56369 +0.87157124 +0.48518056
a 3.1207768 Node 150.08381 -0.44925828 +0.84790983
e 0.5003473 Incl. 8.12081 -0.19629203 +0.21365569
P 5.51
From 1289 observations 2004 May 20-2026 Aug. 13, mean residual 0".8.
223P/Skiff
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2027 July 24.89311 TT Pike
q 2.4283451 (2000.0) P Q
n 0.11623459 Peri. 37.98682 +0.89325450 -0.43721746
a 4.1582678 Node 346.68517 +0.21187594 +0.61462262
e 0.4160200 Incl. 27.00748 +0.39649084 +0.65656677
P 8.48
From 792 observations 2001 July 27-2026 Aug. 11, mean residual 0".6.
Nongravitational parameters A1 = -0.32, A2 = +0.0008.
235P/LINEAR
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Dec. 22.70591 TT Pike
q 1.9779283 (2000.0) P Q
n 0.15404480 Peri. 352.21049 -0.97606676 +0.20938206
a 3.4464450 Node 200.16864 -0.18920898 -0.95083441
e 0.4260961 Incl. 9.81269 -0.10720841 -0.22819527
P 6.40
From 1727 observations 2024 Nov. 21-2026 Aug. 13, mean residual 0".7.
245P/WISE
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Mar. 31.10630 TT Pike
q 2.2055857 (2000.0) P Q
n 0.12071764 Peri. 316.69076 +0.09032389 +0.96457865
a 4.0546704 Node 316.66588 -0.78646683 -0.08359590
e 0.4560382 Incl. 21.17175 -0.61099225 +0.25019941
P 8.16
From 131 observations 2002 Aug. 27-2026 Aug. 8, mean residual 0".9.
260P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Aug. 5.00896 TT Pike
q 1.4179670 (2000.0) P Q
n 0.14290668 Peri. 18.51431 +0.98875725 -0.14151220
a 3.6232727 Node 349.27125 +0.08170741 +0.78187189
e 0.6086502 Incl. 15.03938 +0.12523179 +0.60716607
P 6.90
From 7058 observations 2005 May 20-2026 Aug. 12, mean residual 0".5.
Nongravitational parameters A1 = +0.01, A2 = -0.0018.
320P/McNaught
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 27.79003 TT Pike
q 0.9752915 (2000.0) P Q
n 0.18089981 Peri. 0.75840 +0.44929532 +0.89007372
a 3.0963068 Node 295.94287 -0.82011233 +0.37681091
e 0.6850146 Incl. 4.90116 -0.35432963 +0.25648061
P 5.45
From 129 observations 2004 Sept. 2-2026 Aug. 13, mean residual 0".7.
Nongravitational parameters A1 = -0.05, A2 = -0.0026.
351P/Wiegert-PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Mar. 25.79542 TT Pike
q 3.1310792 (2000.0) P Q
n 0.10538820 Peri. 352.48855 +0.10539336 +0.97087320
a 4.4388934 Node 283.37984 -0.90048581 +0.00137202
e 0.2946262 Incl. 12.77786 -0.42192126 +0.23958996
P 9.35
From 296 observations 1998 Oct. 18-2026 Aug. 11, mean residual 0".6.
356P/WISE
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 June 12.48709 TT Pike
q 2.6744768 (2000.0) P Q
n 0.11659506 Peri. 226.29980 +0.88727663 -0.45791984
a 4.1496927 Node 160.74599 +0.45649776 +0.85472118
e 0.3555000 Incl. 9.64055 +0.06595442 +0.24446089
P 8.45
From 231 observations 2009 Nov. 9-2026 Aug. 11, mean residual 0".8.
435P/PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Oct. 26.58897 TT Pike
q 2.0628905 (2000.0) P Q
n 0.18758625 Peri. 244.16177 +0.90682631 +0.27444322
a 3.0222847 Node 98.52362 -0.16382743 +0.92880110
e 0.3174400 Incl. 18.87412 -0.38836402 +0.24901696
P 5.25
From 102 observations 2002 Jan. 9-2026 Aug. 13, mean residual 0".2.
491P/Spacewatch-PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2024 Sept. 5.58013 TT Pike
q 3.7151672 (2000.0) P Q
n 0.08783396 Peri. 298.80167 -0.32532393 +0.93775771
a 5.0121926 Node 311.68354 -0.80091642 -0.34159540
e 0.2587741 Incl. 9.36696 -0.50269000 -0.06263434
P 11.2
From 521 observations 2013 May 4-2026 Aug. 12, mean residual 0".6.
502P/NEAT
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2025 Aug. 4.76114 TT Pike
q 4.2291533 (2000.0) P Q
n 0.04361719 Peri. 37.70610 +0.52059962 +0.83082986
a 7.9927748 Node 264.47568 -0.82353865 +0.42783912
e 0.4708780 Incl. 11.39872 -0.22530009 +0.35591492
P 22.6
From 293 observations 2002 June 11-2026 Aug. 11, mean residual 0".6.
510P/Boattini
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Sept. 9.17955 TT Pike
q 4.8752687 (2000.0) P Q
n 0.05974500 Peri. 86.68934 +0.98169426 -0.12845509
a 6.4803982 Node 280.65724 +0.05875158 +0.90656234
e 0.2476899 Incl. 8.22694 +0.18117571 +0.40204976
P 16.5
From 164 observations 2009 Sept. 17-2026 Aug. 9, mean residual 0".5.
512P/PANSTARRS
Epoch 2026 June 9.0 TT = JDT 2461200.5
T 2026 Dec. 3.92126 TT Pike
q 4.8025390 (2000.0) P Q
n 0.07250326 Peri. 308.60432 +0.90695755 -0.36576383
a 5.6959261 Node 73.73674 +0.42121310 +0.79076014
e 0.1568467 Incl. 12.56937 -0.00274281 +0.49083115
P 13.6
From 99 observations 2011 Sept. 23-2026 Aug. 11, mean residual 0".3.