26P/Grigg-Skjellerup

Last updated 2018 July 3

+ Orbit O-C

26P/Grigg-Skjellerup
From 480 observations 1991 Sept. 9-2018 Feb. 14, mean residual 0".60.
  Nongravitational parameters A1 = +0.01, A2 = -0.0007.

  Epoch  = 2018 Oct. 9.0 TT              JDT = 2458400.5
      T  = 2018 Oct. 1.8213609472 TT     +/- 0.0000501507       0.0000000007
   Peri. =   2.2003114948                +/- 0.0000330811       0.0000000006
   Node  = 211.5339704833 (2000.0)       +/- 0.0000228786      -0.0000000001
   Incl. =  22.4497359440                +/- 0.0000107453      -0.0000000000
      q  =   1.0822951922 AU             +/- 0.0000003515       0.0000000000
      e  =   0.6409581164                +/- 0.0000001178       0.0000000000
     A1  =   0.0111515377                +/- 0.0015981549       0.0000000125
     A2  =  -0.0006657610                +/- 0.0000309636      -0.0000000016
      a  =   3.0143981570 AU             +/- 0.0000004616
      n  =   0.1883229075                +/- 0.0000000433
      P  =   5.2336047795 years          +/- 0.0000012022

  26P             Grigg-Skjellerup           *18030519.44174  0.7278904 0.7450709 194.28011  17.80975   3.41918 18030510   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.82   2.8552664                 
    Earth    0.0650 AU  18030630.4 TT
  26P/1808 C1     Grigg-Skjellerup            18080316.75737  0.7305828 0.7441962 194.47290  17.63720   3.41218 18080304   25 18080328 19220614 16.7  5.0 h3E3 2.7  1 2  -0.46 -0.0522         Kinoshita  P    4.83   2.8560283                 
    Jupiter  0.5679     18091003.4
    Earth    0.3469     18130131.8
  26P             Grigg-Skjellerup           *18130311.17223  0.8002010 0.7266778 196.25565  16.98867   2.82883 18130318   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.01   2.9276836                 
    Earth    0.2734     18180204.9
  26P             Grigg-Skjellerup           *18180315.66342  0.7992151 0.7268649 196.34182  16.94175   2.82643 18180401   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.01   2.9260797                 
    Earth    0.3045     18230202.1
  26P             Grigg-Skjellerup           *18230313.15293  0.7867337 0.7299653 196.79448  16.62269   2.81019 18230306   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.97   2.9134546                 
  26P             Grigg-Skjellerup           *18280229.75890  0.7837734 0.7306861 196.81646  16.59796   2.81076 18280319   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.96   2.9102595                 
  26P             Grigg-Skjellerup           *18330216.88188  0.7871574 0.7298336 196.81826  16.58292   2.80634 18330221   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.97   2.9136018                 
  26P             Grigg-Skjellerup           *18380207.45975  0.7901528 0.7290645 196.81713  16.59624   2.80000 18380126   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.98   2.9163876                 
  26P             Grigg-Skjellerup           *18430202.46037  0.7919509 0.7285639 196.90488  16.54614   2.79453 18430209   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.98   2.9176325                 
    Jupiter  0.1764     18451014.4
  26P             Grigg-Skjellerup           *18480107.47049  0.8279133 0.7178645 348.18118 222.82899   7.47545 18480114   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.03   2.9344526                 
  26P             Grigg-Skjellerup           *18530116.83161  0.8249312 0.7187132 348.28901 222.77157   7.49450 18530127   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.02   2.9327045                 
  26P             Grigg-Skjellerup           *18580123.24195  0.8242088 0.7188854 348.26182 222.79319   7.49658 18580210   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.02   2.9319319                 
  26P             Grigg-Skjellerup           *18630128.28911  0.8206289 0.7197907 348.25757 222.77760   7.50997 18630115   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.01   2.9286287                 
  26P             Grigg-Skjellerup           *18680203.48152  0.8244118 0.7188098 348.27565 222.76842   7.50021 18680129   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.02   2.9318648                 
  26P             Grigg-Skjellerup           *18730216.75444  0.8374222 0.7155672 348.54682 222.61580   7.50811 18730211   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.05   2.9441826                 
    Earth    0.4262     18780201.3
  26P             Grigg-Skjellerup           *18780309.53985  0.8379522 0.7154094 348.62768 222.57457   7.51095 18780225   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    5.05   2.9444121                 
    Jupiter  0.4536     18810722.4
    Earth    0.1971     18830207.5
  26P             Grigg-Skjellerup           *18830318.89172  0.7512236 0.7369148 350.63625 222.04384   8.28983 18830311   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.83   2.8554387                 
  26P             Grigg-Skjellerup           *18880113.52291  0.7486617 0.7375946 350.68092 222.01109   8.30339 18880104   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.82   2.8530725                 
  26P             Grigg-Skjellerup           *18921107.26688  0.7509473 0.7369847 350.65108 222.02396   8.29406 18921029   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.82   2.8551472                 
  26P             Grigg-Skjellerup           *18970902.85429  0.7510345 0.7369308 350.63887 222.02474   8.29824 18970824   25 18080328 19220614 16.7  5.0 h3E3 2.7  x 2  -0.46 -0.0522         Kinoshita  P    4.82   2.8548935                 
  26P/1902 O1     Grigg-Skjellerup            19020703.50245  0.7531195 0.7362935 350.69916 221.99644   8.29387 19020620   55 19020608 19420622 16.7  5.0 h3E2 0.7  2 2  -0.02 -0.0019         Kinoshita  P    4.83   2.8559002                 
    Jupiter  0.1724     19050122.0
  26P             Grigg-Skjellerup           *19070601.78130  0.8959507 0.6932044 354.94550 216.61909  17.45179 19070525   55 19020608 19420622 16.7  5.0 h3E2 0.7  x 2  -0.02 -0.0019         Kinoshita  P    4.99   2.9203502                 
  26P             Grigg-Skjellerup           *19120529.55685  0.8933458 0.6939243 355.03944 216.58254  17.47933 19120607   55 19020608 19420622 16.7  5.0 h3E2 0.7  x 2  -0.02 -0.0019         Kinoshita  P    4.99   2.9187085                 
    Earth    0.4720     19120630.5
  26P             Grigg-Skjellerup           *19170523.00581  0.8924257 0.6941787 355.00677 216.59598  17.47973 19170512   55 19020608 19420622 16.7  5.0 h3E2 0.7  x 2  -0.02 -0.0019         Kinoshita  P    4.98   2.9181280                 
  26P/1922 K1     Grigg-Skjellerup            19220515.69477  0.8889374 0.6951370 354.98978 216.58754  17.50609 19220526   55 19020608 19420622 16.7  5.0 h3E2 0.7  3 2  -0.02 -0.0019         Kinoshita  P    4.98   2.9158586                 
    Earth    0.2677     19220612.8
  26P/1927 F1     Grigg-Skjellerup            19270510.24999  0.8927042 0.6942340 355.01513 216.57119  17.48154 19270430   55 19020608 19420622 16.7  5.0 h3E2 0.7  4 2  -0.02 -0.0019         Kinoshita  P    4.99   2.9195666                 
    Earth    0.2033     19270603.3
  26P             Grigg-Skjellerup            19320512.60927  0.9076014 0.6905649 355.21946 216.47863  17.45970 19320513   55 19020608 19420622 16.7  5.0 h3E2 0.7  5 2  -0.02 -0.0019         Kinoshita  P    5.02   2.9330909                 
    Earth    0.2444     19320607.3
  26P             Grigg-Skjellerup            19370523.06032  0.9078761 0.6905247 355.30200 216.44139  17.46143 19370527   55 19020608 19420622 16.7  5.0 h3E2 0.7  6 2  -0.02 -0.0019         Kinoshita  P    5.02   2.9335979                 
    Jupiter  0.8609     19401027.3
  26P             Grigg-Skjellerup            19420523.37921  0.8560027 0.7034659 356.34956 216.11656  17.61705 19420610   67 19370428 19720814 16.7  5.0 h3E2 0.8  7 2  +0.02 -0.0027         Kinoshita  P    4.90   2.8866927                 
    Earth    0.3803     19420608.5
    Earth    0.1593     19470412.5
  26P             Grigg-Skjellerup            19470418.13720  0.8531329 0.7042733 356.38276 216.08965  17.64120 19470405   67 19370428 19720814 16.7  5.0 h3E2 0.8  8 2  +0.02 -0.0027         Kinoshita  P    4.90   2.8848692                 
  26P             Grigg-Skjellerup            19520311.15919  0.8556165 0.7035967 356.34716 216.09433  17.62227 19520309   67 19370428 19720814 16.7  5.0 h3E2 0.8  9 2  +0.02 -0.0027         Kinoshita  P    4.90   2.8866632                 
  26P             Grigg-Skjellerup            19570202.63408  0.8552888 0.7036390 356.31436 216.09974  17.63039 19570211   67 19370428 19720814 16.7  5.0 h3E2 0.8 10 2  +0.02 -0.0027         Kinoshita  P    4.90   2.8859697                 
  26P             Grigg-Skjellerup            19611231.35804  0.8577594 0.7029767 356.36958 216.07496  17.61492 19620116   67 19370428 19720814 16.7  5.0 h3E2 0.8 11 2  +0.02 -0.0027         Kinoshita  P    4.91   2.8878520                 
    Jupiter  0.3280     19640317.3
  26P             Grigg-Skjellerup            19670116.47556  1.0029644 0.6624313 359.15977 213.39465  21.04428 19670130   67 19370428 19720814 16.7  5.0 h3E2 0.8 12 2  +0.02 -0.0027         Kinoshita  P    5.12   2.9711416                 
  26P             Grigg-Skjellerup            19720302.65291  1.0013081 0.6628374 359.27091 213.36052  21.06199 19720213  428 19611110 20080809 16.7  5.0 h3E2 0.7 13 2  +0.00 -0.0011         Kinoshita  P    5.12   2.9698073                 
    Earth    0.1821     19770402.5
  26P             Grigg-Skjellerup            19770411.00063  0.9933859 0.6647054 359.31082 213.35359  21.09842 19770407  428 19611110 20080809 16.7  5.0 h3E2 0.7 14 2  +0.00 -0.0011         Kinoshita  P    5.10   2.9627253                 
  26P             Grigg-Skjellerup            19820514.99658  0.9892475 0.6656800 359.31687 213.34116  21.13128 19820531  428 19611110 20080809 16.7  5.0 h3E2 0.7 15 2  +0.00 -0.0011         Kinoshita  P    5.09   2.9589839                 
    Earth    0.3347     19820531.5
  26P             Grigg-Skjellerup            19870618.04605  0.9933032 0.6647126 359.30571 213.33541  21.10051 19870614  428 19611110 20080809 16.7  5.0 h3E2 0.7 16 2  +0.00 -0.0011         Kinoshita  P    5.10   2.9625422                 
  26P             Grigg-Skjellerup            19920722.13792  0.9946897 0.6643253 359.26508 213.34021  21.09897 19920806  428 19611110 20080809 16.7  5.0 h3E2 0.7 17 2  +0.00 -0.0011         Kinoshita  P    5.10   2.9632554                 
  26P             Grigg-Skjellerup            19970830.30318  0.9968101 0.6638056 359.33161 213.30913  21.08676 19970820  480 19910909 20180214 16.7  5.0 h3E2 0.6 18 2  +0.01 -0.0007         Kinoshita  P    5.11   2.9649810                 
    Jupiter  0.5128     19990918.3
  26P             Grigg-Skjellerup           *20021129.71836  1.1178731 0.6327099   1.62375 211.73977  22.34725 20021122  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.31   3.0435703                 
    Earth    0.5590     20080323.3
  26P             Grigg-Skjellerup            20080323.68872  1.1167120 0.6330015   1.71476 211.70623  22.35649 20080404  480 19910909 20180214 16.7  5.0 h3E2 0.6 19 2  +0.01 -0.0007         Kinoshita  P    5.31   3.0428247                 
  26P             Grigg-Skjellerup            20130706.01706  1.0858600 0.6401351   2.15381 211.55256  22.42381 20130707  480 19910909 20180214 16.7  5.0 h3E2 0.6 20 2  +0.01 -0.0007         Kinoshita  P    5.24   3.0174103                 
  26P             Grigg-Skjellerup            20181001.82136  1.0822952 0.6409581   2.20031 211.53397  22.44974 20181009  480 19910909 20180214 16.7  5.0 h3E2 0.6 21 2  +0.01 -0.0007         Kinoshita  P    5.23   3.0143982                 
  26P             Grigg-Skjellerup           *20231225.34501  1.0838989 0.6406381   2.14585 211.54060  22.43298 20240111  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.24   3.0161765                 
  26P             Grigg-Skjellerup           *20290318.89821  1.0795424 0.6416730   2.12156 211.53981  22.46893 20290305  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.23   3.0127301                 
  26P             Grigg-Skjellerup           *20340612.41412  1.0846878 0.6404236   2.13683 211.51644  22.43160 20340607  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.24   3.0165713                 
  26P             Grigg-Skjellerup           *20390909.05539  1.0909893 0.6388934   2.14968 211.50413  22.41009 20390909  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.25   3.0212391                 
  26P             Grigg-Skjellerup           *20441211.70354  1.0930815 0.6383836   2.24237 211.47013  22.39675 20441211  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.26   3.0227651                 
    Jupiter  0.2845     20470325.3
  26P             Grigg-Skjellerup           *20500613.31216  1.3420043 0.5760394   5.32944 209.48442  24.94335 20500603  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.63   3.1653986                 
  26P             Grigg-Skjellerup           *20560201.19542  1.3410874 0.5762552   5.44666 209.44441  24.94916 20560212  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.63   3.1648471                 
    Jupiter  0.6392     20590602.0
  26P             Grigg-Skjellerup           *20610823.80164  1.2210862 0.6047976   7.33713 208.07549  24.28599 20610804  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.43   3.0897745                 
  26P             Grigg-Skjellerup           *20670129.11886  1.2182367 0.6054810   7.41575 208.04729  24.30316 20670125  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.43   3.0879038                 
  26P             Grigg-Skjellerup           *20720628.03791  1.2069644 0.6080319   7.47795 208.02074  24.33368 20720717  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.40   3.0792415                 
  26P             Grigg-Skjellerup           *20771121.31759  1.2026267 0.6090022   7.50474 208.00913  24.36140 20771128  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.39   3.0757891                 
  26P             Grigg-Skjellerup           *20830413.88467  1.2052968 0.6084611   7.44711 208.00846  24.33931 20830411  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.40   3.0783575                 
    Earth    0.3090     20830415.3
  26P             Grigg-Skjellerup           *20880903.42713  1.2004522 0.6095326   7.41868 208.01206  24.37484 20880822  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.39   3.0743982                 
  26P             Grigg-Skjellerup           *20940125.80437  1.2059598 0.6082742   7.42244 207.98539  24.33636 20940212  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.40   3.0785813                 
  26P             Grigg-Skjellerup           *20990620.32296  1.2077764 0.6078337   7.37114 207.98959  24.33388 20990626  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.40   3.0797561                 
  26P             Grigg-Skjellerup           *21041118.07622  1.2113611 0.6069885   7.45546 207.95323  24.30926 21041107  480 19910909 20180214 16.7  5.0 h3E2 0.6  x 2  +0.01 -0.0007         Kinoshita  P    5.41   3.0822536                 
		
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