123P/West-Hartley
Last updated 2018 Dec. 18
+ Orbit O-C
123P/West-Hartley
From 2217 observations 1989 Mar. 14-2018 Oct. 12, mean residual 0".71.
Nongravitational parameters A1 = +0.08, A2 = +0.0071.
Epoch = 2019 Feb. 6.0 TT JDT = 2458520.5
T = 2019 Feb. 5.1159929133 TT +/- 0.0002968408 0.0000000006
Peri. = 103.0103069571 +/- 0.0000879517 0.0000000002
Node = 46.4994153298 (2000.0) +/- 0.0000161992 -0.0000000000
Incl. = 15.3595962880 +/- 0.0000046142 -0.0000000000
q = 2.1268818114 AU +/- 0.0000001666 -0.0000000000
e = 0.4486451336 +/- 0.0000000445 -0.0000000000
A1 = 0.0801222677 +/- 0.0148703436 0.0000000349
A2 = 0.0071317281 +/- 0.0001652974 -0.0000000000
a = 3.8575551631 AU +/- 0.0000001125
n = 0.1300875864 +/- 0.0000000057
P = 7.5764928513 years +/- 0.0000003314
123P West-Hartley *18920207.97658 2.3252102 0.4319308 90.28630 57.15531 13.16979 18920123 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 8.28 4.0931814
123P West-Hartley *19000522.52853 2.3193962 0.4324972 90.44328 57.05015 13.17471 19000521 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 8.26 4.0870216
123P West-Hartley *19080910.37816 2.3383114 0.4309876 91.14446 56.68201 13.11245 19080916 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 8.33 4.1094205
123P West-Hartley *19161231.74988 2.3348263 0.4311673 91.12686 56.62400 13.12760 19170112 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 8.32 4.1045921
123P West-Hartley *19250505.05426 2.3405954 0.4305203 91.35811 56.51448 13.12098 19250510 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 8.33 4.1100597
123P West-Hartley *19330823.61057 2.3262385 0.4322877 91.33559 56.48162 13.13056 19330905 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 8.29 4.0975660
Jupiter 0.7905 19391225.5
123P West-Hartley *19411114.69994 2.2300524 0.4400167 96.52498 52.74969 13.96345 19411122 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.95 3.9823555
123P West-Hartley *19491104.41873 2.2404095 0.4388570 96.68442 52.67110 13.95172 19491120 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.98 3.9925820
123P West-Hartley *19571017.81385 2.2262735 0.4404287 96.69322 52.62433 13.96671 19571009 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.94 3.9785341
Jupiter 0.6838 19630921.6
123P West-Hartley *19650831.08911 2.1758273 0.4424128 101.66349 47.43562 15.19910 19650828 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.71 3.9022188
123P West-Hartley *19730524.43940 2.1869659 0.4409106 101.77586 47.36880 15.18660 19730607 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.74 3.9116570
123P West-Hartley *19810208.31099 2.1733759 0.4427023 101.78663 47.32318 15.20202 19810205 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.70 3.8998471
123P/1989 E3 West-Hartley 19881006.41825 2.1289685 0.4481127 102.66869 46.81246 15.35100 19881006 2217 19890314 20181012 7.0 20.0 h3E3 0.7 1 2 +0.08 +0.0071 Kinoshita P 7.58 3.8576148
123P/1995 S2 West-Hartley 19960512.90484 2.1329604 0.4477831 102.97512 46.66595 15.34616 19960427 2217 19890314 20181012 7.0 20.0 h3E3 0.7 2 2 +0.08 +0.0071 Kinoshita P 7.59 3.8625407
123P West-Hartley 20031209.12779 2.1286886 0.4485061 102.91898 46.62011 15.34681 20031227 2217 19890314 20181012 7.0 20.0 h3E3 0.7 3 2 +0.08 +0.0071 Kinoshita P 7.58 3.8598589
123P West-Hartley 20110704.47259 2.1289030 0.4483581 102.82350 46.59917 15.35707 20110718 2217 19890314 20181012 7.0 20.0 h3E3 0.7 4 2 +0.08 +0.0071 Kinoshita P 7.58 3.8592116
123P West-Hartley 20190205.11599 2.1268818 0.4486451 103.01031 46.49942 15.35960 20190206 2217 19890314 20181012 7.0 20.0 h3E3 0.7 5 2 +0.08 +0.0071 Kinoshita P 7.58 3.8575552
123P West-Hartley *20260921.86737 2.1587499 0.4446901 103.87509 45.84765 15.28139 20261007 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.66 3.8874689
123P West-Hartley *20340522.69069 2.1694057 0.4432145 103.75535 45.84414 15.27151 20340607 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.69 3.8963045
123P West-Hartley *20420128.87026 2.1608985 0.4442506 103.93565 45.74229 15.28240 20420205 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.67 3.8882608
123P West-Hartley *20491016.71637 2.2098947 0.4386793 106.85379 41.75172 15.00473 20491006 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.81 3.9369554
123P West-Hartley *20570814.24810 2.2250855 0.4364239 106.95988 41.67341 14.99700 20570825 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.84 3.9481543
123P West-Hartley *20650614.13166 2.2122901 0.4380305 107.06816 41.58286 15.01170 20650604 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.81 3.9366732
123P West-Hartley *20730319.18416 2.2384179 0.4352741 108.69553 37.30320 14.93893 20730314 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.89 3.9637249
123P West-Hartley *20810212.34520 2.2512797 0.4336863 108.69705 37.26575 14.92371 20810131 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.93 3.9753230
123P West-Hartley *20890111.43247 2.2410485 0.4346283 108.80287 37.17231 14.93976 20890129 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.89 3.9638500
123P West-Hartley *20961111.98403 2.2665474 0.4319968 110.23768 32.92584 14.90657 20961108 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 7.97 3.9903778
123P West-Hartley *21041107.80167 2.2816390 0.4299684 110.23340 32.90372 14.89172 21041107 2217 19890314 20181012 7.0 20.0 h3E3 0.7 x 2 +0.08 +0.0071 Kinoshita P 8.01 4.0026533
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