90P/Gehrels

Last updated 2016 Oct. 31

+ Orbit O-C

90P/Gehrels
From 196 observations 1972 Nov. 10-2016 Aug. 27, mean residual 0".62.
  Nongravitational parameters A1 =-38.65, A2 = -0.9575.

  Epoch  = 2017 June 16.0 TT             JDT = 2457920.5
      T  = 2017 June 19.2665081230 TT    +/- 0.0023054594      -0.0000000143
   Peri. =  29.2653967973                +/- 0.0005293754      -0.0000000038
   Node  =  13.2513827733 (2000.0)       +/- 0.0001206858      -0.0000000001
   Incl. =   9.6352201419                +/- 0.0000152464       0.0000000001
      q  =   2.9749608149 AU             +/- 0.0000025374       0.0000000000
      e  =   0.5097441387                +/- 0.0000004974      -0.0000000000
     A1  = -38.6506747838                +/- 1.9763923623       0.0000012431
     A2  =  -0.9574689378                +/- 0.0801490220       0.0000009236
      a  =   6.0681800054 AU             +/- 0.0000013255
      n  =   0.0659350578                +/- 0.0000000216
      P  =  14.9481581059 years          +/- 0.0000048977

  90P             Gehrels                    *18850520.62621  3.0001440 0.5019629  30.07854  16.77223   9.67086 18850519  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.78   6.0239374                 
  90P             Gehrels                    *19000131.79124  2.9840022 0.5030830  29.88030  16.61051   9.67421 19000121  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.72   6.0050309                 
  90P             Gehrels                    *19141030.78762  2.9858317 0.5030449  30.36615  16.33386   9.66631 19141104  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.73   6.0082519                 
  90P             Gehrels                    *19290729.98673  2.9986509 0.5068126  30.05609  16.08968   9.61187 19290817  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.99   6.0801452                 
  90P             Gehrels                    *19440227.19475  2.9455817 0.5052375  29.06787  15.60046   9.65439 19440311  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.53   5.9535267                 
  90P             Gehrels                    *19580817.58292  2.9289444 0.5063832  29.08456  15.45643   9.66137 19580825  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.45   5.9336405                 
  90P/1972 T1     Gehrels                     19730124.67317  2.9352304 0.5065271  28.94417  15.31224   9.64979 19730207  196 19721110 20160827  8.0 15.0 h3E2 0.6  1 2 -38.65 -0.9575         Kinoshita  P   14.51   5.9481088                 
  90P/1987 Q2     Gehrels                     19870810.23329  2.9885751 0.5100135  28.49551  13.55125   9.61891 19870724  196 19721110 20160827  8.0 15.0 h3E2 0.6  2 2 -38.65 -0.9575         Kinoshita  P   15.06   6.0993013                 
  90P             Gehrels                     20020622.99559  2.9655967 0.5088480  28.20015  13.52555   9.61596 20020615  196 19721110 20160827  8.0 15.0 h3E2 0.6  3 2 -38.65 -0.9575         Kinoshita  P   14.84   6.0380429                 
  90P             Gehrels                     20170619.26651  2.9749608 0.5097441  29.26540  13.25138   9.63522 20170616  196 19721110 20160827  8.0 15.0 h3E2 0.6  4 2 -38.65 -0.9575         Kinoshita  P   14.95   6.0681800                 
  90P             Gehrels                    *20320519.65297  2.9786849 0.5098998  29.09288  13.10119   9.62582 20320508  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.98   6.0777062                 
  90P             Gehrels                    *20470529.77198  3.0069038 0.5148943  28.50318  12.46945   9.55941 20470510  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   15.43   6.1984505                 
  90P             Gehrels                    *20620711.02218  2.9707901 0.5126570  27.95926  12.32358   9.56982 20620730  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   15.05   6.0958913                 
  90P             Gehrels                    *20770706.11419  2.9440732 0.5151853  28.10464  12.05998   9.56613 20770621  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.96   6.0725741                 
  90P             Gehrels                    *20920628.46878  2.9452717 0.5150795  28.50493  11.78516   9.55711 20920622  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   14.97   6.0737209                 
  90P             Gehrels                    *21070623.77994  2.9335313 0.5207758  28.61124  11.36997   9.48372 21070625  196 19721110 20160827  8.0 15.0 h3E2 0.6  x 2 -38.65 -0.9575         Kinoshita  P   15.15   6.1214179                 
		
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