78P/Gehrels

Last updated 2016 Aug. 7

+ Orbit O-C

78P/Gehrels
From 5329 observations 1989 June 14-2014 Apr. 1, mean residual 0".60.
  Nongravitational parameters A1 = +0.65, A2 = -0.1260.

  Epoch  = 2011 Dec. 25.0 TT             JDT = 2455920.5
      T  = 2012 Jan. 12.9141732839 TT    +/- 0.0001023358      -0.0000000000
   Peri. = 192.7973483581                +/- 0.0000152568       0.0000000002
   Node  = 210.5586561405 (2000.0)       +/- 0.0000137248      -0.0000000002
   Incl. =   6.2552473118                +/- 0.0000035040      -0.0000000000
      q  =   2.0085815873 AU             +/- 0.0000002411       0.0000000000
      e  =   0.4628289909                +/- 0.0000000513      -0.0000000000
     A1  =   0.6546507938                +/- 0.0022938751       0.0000000184
     A2  =  -0.1260421111                +/- 0.0000703124      -0.0000000014
      a  =   3.7391846420 AU             +/- 0.0000001534
      n  =   0.1363134492                +/- 0.0000000084
      P  =   7.2304506605 years          +/- 0.0000004448

  78P             Gehrels                    *18911215.18229  2.4635516 0.3875324 190.17973 233.22291   5.31695 18911214  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.07   4.0223379                 
  78P             Gehrels                    *19000119.53405  2.4766284 0.3864224 190.39037 233.15022   5.31375 19000121  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.11   4.0363736                 
  78P             Gehrels                    *19080221.26402  2.4606623 0.3879751 190.43701 233.10850   5.32339 19080229  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.06   4.0205267                 
    Jupiter  0.1638 AU  19111011.5 TT
  78P             Gehrels                    *19150306.12771  2.4792037 0.3916888 176.92011 219.89174   6.65746 19150304  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.23   4.0755514                 
  78P             Gehrels                    *19230605.68366  2.4953488 0.3900733 176.96079 219.84704   6.64786 19230521  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.28   4.0912271                 
  78P             Gehrels                    *19310910.45036  2.4840735 0.3908215 177.12344 219.77183   6.65708 19310916  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.23   4.0777432                 
  78P             Gehrels                    *19400130.85870  2.5948484 0.3772924 178.57573 218.75982   6.70950 19400112  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.51   4.1670413                 
  78P             Gehrels                    *19480725.68833  2.6017068 0.3757026 178.40350 218.78073   6.70559 19480728  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.51   4.1674154                 
  78P             Gehrels                    *19570203.94837  2.6014625 0.3760835 178.70915 218.64044   6.71455 19570211  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.51   4.1695687                 
  78P             Gehrels                    *19650731.64788  2.5892391 0.3774955 178.63020 218.65863   6.72343 19650719  399 19730929 19980420  6.5 15.0 h3E2 0.6  x 2  -0.56 -0.0428         Kinoshita  P    8.48   4.1593901                 
    Jupiter  0.9450     19710605.5
  78P/1973 S1     Gehrels                     19731201.59555  2.3484490 0.4098483 183.29285 216.34834   6.66564 19731114  399 19730929 19980420  6.5 15.0 h3E2 0.6  1 2  -0.56 -0.0428         Kinoshita  P    7.94   3.9793989                 
  78P/1981 L1     Gehrels                     19811118.81000  2.3616390 0.4085009 183.42542 216.26929   6.65782 19811112  399 19730929 19980420  6.5 15.0 h3E2 0.6  2 2  -0.56 -0.0428         Kinoshita  P    7.98   3.9926334                 
  78P             Gehrels                     19891103.12119  2.3483742 0.4097983 183.50021 216.25960   6.66788 19891110  399 19730929 19980420  6.5 15.0 h3E2 0.6  3 2  -0.56 -0.0428         Kinoshita  P    7.94   3.9789352                 
    Jupiter  0.6231     19950206.8
  78P             Gehrels                     19970807.04057  2.0002424 0.4635803 192.76621 210.62831   6.25781 19970820 5329 19890614 20140401  4.5 20.0 h3E2 0.6  4 2  +0.65 -0.1260         Kinoshita  P    7.20   3.7288759                 
  78P             Gehrels                     20041027.05249  2.0081566 0.4625329 192.95671 210.54794   6.25281 20041111 5329 19890614 20140401  4.5 20.0 h3E2 0.6  5 2  +0.65 -0.1260         Kinoshita  P    7.22   3.7363338                 
  78P             Gehrels                     20120112.91417  2.0085816 0.4628290 192.79735 210.55866   6.25525 20111225 5329 19890614 20140401  4.5 20.0 h3E2 0.6  6 2  +0.65 -0.1260         Kinoshita  P    7.23   3.7391846                 
  78P             Gehrels                    *20190402.69676  2.0138257 0.4615659 192.68406 210.54808   6.24876 20190318 5329 19890614 20140401  1.5 30.0 h3E2 0.6  x 2  +0.65 -0.1260         Kinoshita  P    7.23   3.7401526                 
    Jupiter  0.0183     20290915.8
  78P             Gehrels                    *20260625.08042  2.0045112 0.4628340 192.79265 210.49434   6.25760 20260609 5329 19890614 20140401  1.5 30.0 h3E2 0.6  x 2  +0.65 -0.1260         Kinoshita  P    7.21   3.7316422                 
  78P             Gehrels                    *20320108.66895  4.1235740 0.2722386 112.48978 193.91642   5.40918 20320109 5329 19890614 20140401  1.5 30.0 h3E2 0.6  x 2  +0.65 -0.1260         Kinoshita  P   13.49   5.6661071                 
  78P             Gehrels                    *20450202.30120  4.1598881 0.2701867 108.86421 191.89068   5.45382 20450120 5329 19890614 20140401  1.5 30.0 h3E2 0.6  x 2  +0.65 -0.1260         Kinoshita  P   13.61   5.6999349                 
    Jupiter  0.0715     20461026.8
  78P             Gehrels                    *20811109.92425  5.0210187 0.4904491 184.15286 180.88888  11.19366 20811107 5329 19890614 20140401  1.5 30.0 h3E2 0.6  x 2  +0.65 -0.1260         Kinoshita  P   30.93   9.8538116                 
  78P             Gehrels                    *21080304.02565  4.9792187 0.4361158 185.50053 178.82125  11.04942 21080220 5329 19890614 20140401  1.5 30.0 h3E2 0.6  x 2  +0.65 -0.1260         Kinoshita  P   26.24   8.8302143                 
		
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