90P/Gehrels
Last updated 2017 Nov. 15
+ Orbit O-C
90P/Gehrels
From 271 observations 1972 Nov. 10-2017 Nov. 2, mean residual 0".65.
Nongravitational parameters A1 =-18.20, A2 = -1.2809.
Epoch = 2017 June 16.0 TT JDT = 2457920.5
T = 2017 June 19.2509579465 TT +/- 0.0021674099 0.0000000868
Peri. = 29.2638162123 +/- 0.0005066450 0.0000000170
Node = 13.2515234158 (2000.0) +/- 0.0001205677 0.0000000022
Incl. = 9.6352134577 +/- 0.0000154275 0.0000000001
q = 2.9749538863 AU +/- 0.0000023679 -0.0000000001
e = 0.5097429968 +/- 0.0000004677 0.0000000000
A1 = -18.1962040246 +/- 1.5606034994 0.0000875502
A2 = -1.2809071259 +/- 0.0779247553 -0.0000011325
a = 6.0681517386 AU +/- 0.0000012424
n = 0.0659355185 +/- 0.0000000203
P = 14.9480536587 years +/- 0.0000045909
90P Gehrels *18850520.71451 3.0001040 0.5019666 30.08984 16.77214 9.67089 18850519 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.78 6.0239018
90P Gehrels *19000131.84704 2.9839667 0.5030855 29.89041 16.61045 9.67424 19000121 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.72 6.0049905
90P Gehrels *19141030.79864 2.9858010 0.5030471 30.37452 16.33390 9.66634 19141104 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.73 6.0082176
90P Gehrels *19290729.97195 2.9986301 0.5068147 30.06305 16.08962 9.61189 19290817 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.99 6.0801290
90P Gehrels *19440227.19393 2.9455707 0.5052386 29.07361 15.60070 9.65437 19440311 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.53 5.9535171
90P Gehrels *19580817.59422 2.9289381 0.5063833 29.08878 15.45668 9.66135 19580825 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.45 5.9336280
90P/1972 T1 Gehrels 19730124.68466 2.9352231 0.5065267 28.94664 15.31249 9.64977 19730207 271 19721110 20171102 9.0 15.0 h3E2 0.7 1 2 -18.20 -1.2809 Kinoshita P 14.51 5.9480895
90P/1987 Q2 Gehrels 19870810.23952 2.9885689 0.5100133 28.49675 13.55139 9.61890 19870724 271 19721110 20171102 9.0 15.0 h3E2 0.7 2 2 -18.20 -1.2809 Kinoshita P 15.06 6.0992861
90P Gehrels 20020622.99582 2.9655913 0.5088472 28.20001 13.52569 9.61596 20020615 271 19721110 20171102 9.0 15.0 h3E2 0.7 3 2 -18.20 -1.2809 Kinoshita P 14.84 6.0380214
90P Gehrels 20170619.25096 2.9749539 0.5097430 29.26382 13.25152 9.63521 20170616 271 19721110 20171102 9.0 15.0 h3E2 0.7 4 2 -18.20 -1.2809 Kinoshita P 14.95 6.0681517
90P Gehrels *20320519.61572 2.9786780 0.5098984 29.09000 13.10133 9.62582 20320508 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.98 6.0776745
90P Gehrels *20470529.70503 3.0068966 0.5148926 28.49902 12.46952 9.55940 20470510 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 15.43 6.1984145
90P Gehrels *20620710.92593 2.9707853 0.5126546 27.95370 12.32370 9.56982 20620730 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 15.05 6.0958520
90P Gehrels *20770705.98470 2.9440654 0.5151828 28.09790 12.06007 9.56612 20770621 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.96 6.0725263
90P Gehrels *20920628.28980 2.9452678 0.5150767 28.49634 11.78534 9.55709 20920622 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 14.97 6.0736774
90P Gehrels *21070623.55991 2.9335269 0.5207751 28.60089 11.37005 9.48367 21070625 271 19721110 20171102 9.0 15.0 h3E2 0.7 x 2 -18.20 -1.2809 Kinoshita P 15.15 6.1213988
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