171P/Spahr
Last updated 2018 Nov. 11
+ Orbit O-C
171P/Spahr
From 344 observations 1998 Nov. 13-2018 Oct. 13, mean residual 0".64.
Nongravitational parameters A1 = +0.19, A2 = -0.1810.
Epoch = 2018 Dec. 28.0 TT JDT = 2458480.5
T = 2019 Jan. 13.7119527733 TT +/- 0.0002089574 -0.0000000004
Peri. = 347.1493241290 +/- 0.0001085641 -0.0000000002
Node = 101.6959795710 (2000.0) +/- 0.0000290842 -0.0000000000
Incl. = 21.9330898219 +/- 0.0000162265 0.0000000000
q = 1.7723252844 AU +/- 0.0000004824 0.0000000000
e = 0.5019901313 +/- 0.0000001443 0.0000000000
A1 = 0.1926409281 +/- 0.0163282718 -0.0000000382
A2 = -0.1809819695 +/- 0.0001974584 -0.0000000002
a = 3.5588155893 AU +/- 0.0000003975
n = 0.1468066902 +/- 0.0000000246
P = 6.7136427323 years +/- 0.0000011249
171P Spahr *18930115.04510 2.3386911 0.4109768 329.77908 108.45297 21.99832 18930117 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 7.91 3.9704566
171P Spahr *19001220.86845 2.3510563 0.4095812 329.86571 108.41291 21.98483 19001207 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 7.95 3.9820143
171P Spahr *19081125.35709 2.3385001 0.4108008 329.93406 108.34682 22.01194 19081205 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 7.91 3.9689466
171P Spahr *19161110.35455 2.4841799 0.3883585 329.87372 105.87853 22.51296 19161024 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.19 4.0614968
171P Spahr *19250120.30195 2.4992047 0.3864098 329.82497 105.87463 22.48923 19250110 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.22 4.0730847
171P Spahr *19330410.06304 2.4905320 0.3870330 330.05604 105.77802 22.51724 19330329 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.19 4.0630767
171P Spahr *19410703.77720 2.5365364 0.3815902 330.27512 105.37928 22.53247 19410615 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.31 4.1017077
171P Spahr *19491015.94847 2.5422769 0.3802338 330.06152 105.39698 22.53135 19491011 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.31 4.1019934
171P Spahr *19580211.20110 2.5420288 0.3804721 330.26371 105.28312 22.53595 19580206 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.31 4.1031710
171P Spahr *19660528.34545 2.5373111 0.3811104 330.18385 105.27358 22.55424 19660604 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.30 4.0997800
171P Spahr *19740827.02660 2.4922861 0.3866491 330.40641 105.13509 22.63123 19740821 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.19 4.0633937
171P Spahr *19821115.30011 2.5046981 0.3853703 330.56657 105.06900 22.61096 19821107 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.23 4.0751338
171P Spahr *19910128.48309 2.4882812 0.3870620 330.69031 105.02352 22.65606 19910124 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 8.18 4.0595970
Jupiter 0.1843 19960722.0
171P/1998 W1 Spahr 19990117.95306 1.7257655 0.5100697 346.67787 101.97331 21.96174 19990122 344 19981113 20181013 17.0 5.0 h3E2 0.6 1 2 +0.19 -0.1810 Kinoshita P 6.61 3.5224717
171P/2005 R3 Spahr 20050903.21866 1.7296741 0.5094684 346.84394 101.91980 21.95441 20050818 344 19981113 20181013 17.0 5.0 h3E2 0.6 2 2 +0.19 -0.1810 Kinoshita P 6.62 3.5261215
171P Spahr 20120430.52917 1.7646451 0.5032435 347.08494 101.71977 21.94902 20120423 344 19981113 20181013 17.0 5.0 h3E2 0.6 3 2 +0.19 -0.1810 Kinoshita P 6.70 3.5523344
171P Spahr 20190113.71195 1.7723253 0.5019901 347.14932 101.69598 21.93309 20181228 344 19981113 20181013 17.0 5.0 h3E2 0.6 4 2 +0.19 -0.1810 Kinoshita P 6.71 3.5588156
171P Spahr *20250925.04550 1.7663775 0.5029307 347.08205 101.69448 21.95491 20251012 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.70 3.5535844
171P Spahr *20320603.41593 1.7684453 0.5025220 346.94685 101.70458 21.94573 20320617 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.70 3.5548210
171P Spahr *20390212.84228 1.7604332 0.5037117 347.03503 101.65769 21.97238 20390221 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.68 3.5471991
171P Spahr *20451006.18952 1.7144084 0.5119164 347.56807 101.43896 22.08664 20450917 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.58 3.5125302
171P Spahr *20520510.88625 1.7150625 0.5117254 347.75346 101.37516 22.08825 20520523 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.58 3.5124957
Jupiter 0.7172 20550503.3
171P Spahr *20590203.06794 1.8995460 0.4753815 349.44719 99.22722 22.98108 20590127 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.89 3.6208142
171P Spahr *20651230.69615 1.9082693 0.4740135 349.57768 99.19258 22.95949 20651221 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.91 3.6279813
171P Spahr *20721122.62478 1.9053546 0.4745767 349.47170 99.19762 22.97690 20721114 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.91 3.6263230
171P Spahr *20791017.68905 1.9097425 0.4737366 349.37618 99.20297 22.96536 20791009 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.91 3.6288719
171P Spahr *20860912.29295 1.9006447 0.4750048 349.44547 99.15220 22.99277 20860902 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.89 3.6203087
171P Spahr *20930715.68335 1.8179134 0.4894021 350.68874 98.70797 23.11033 20930727 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.72 3.5603623
171P Spahr *21000409.36845 1.8204009 0.4890282 350.84992 98.64856 23.10495 21000402 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.72 3.5626247
171P Spahr *21070125.40101 1.8832878 0.4779562 351.46287 98.22754 23.12822 21070116 344 19981113 20181013 17.0 5.0 h3E2 0.6 x 2 +0.19 -0.1810 Kinoshita P 6.85 3.6075283
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