171P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2018-04-24 (JD 2458232.5)
Eccentricity (e)0.5019570017 ± 1.25e-07
Semi-major axis (a)3.5582083748 AU ± 6.48e-08
Inclination (i)21.93292046° ± 1.57e-05
Long. of Asc. Node (Ω)101.69970629° ± 2.31e-05
Arg. of Perihelion (ω)347.16355376° ± 8.33e-05
Mean Anomaly (M)321.12416402° ± 2.51e-05
Mean Motion (n)0.1468470444°/day ± 4.01e-09
Perihelion dist (q)1.77214077 AU ± 4.47e-07
Aphelion dist (Q)5.34427598 AU ± 4.57e-07
Orbital Period6.71192456 yr ± 1.83e-07
NGA Modelg(r)
A1-1.59975403e-09 ± 1.57e-10 AU/d²
A2-1.79469031e-09 ± 1.14e-12 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-05-30
RMS Residual0.842″
Uncertainty0
Orbit TypeMBA
MOID0.793125 AU
Observations Used904
Oppositions24
Arc Total1998-2026
First Observation Used1998-11-13
Last Observation Used2025-09-30
Observations (960)
Date Type RA Dec Mag Band Observatory
2018-12-02 12:03:53 C 04 44 22.87 -03 41 32.1 V T05
2018-12-02 12:17:05 C 04 44 22.33 -03 41 23.7 V T05
2018-12-03 07:24:02 C 04 43 39.60 -03 28 34.9 q W96
2018-12-03 08:29:14 C 04 43 37.07 -03 27 51.1 q W96
2018-12-03 23:57:39 C 04 43 03.08 -03 17 26.5 Q Z39
2018-12-04 00:05:12 C 04 43 02.79 -03 17 21.7 Q Z39
2018-12-04 00:05:42 C 04 43 02.77 -03 17 21.4 o G40
2018-12-04 00:10:15 C 04 43 02.62 -03 17 18.9 Q Z39
2018-12-04 00:25:41 C 04 43 01.98 -03 17 08.2 o G40
2018-12-04 10:18:39 C 04 42 39.72 -03 10 15.8 V T08
2018-12-04 10:30:17 C 04 42 39.27 -03 10 07.8 V T08
2018-12-04 10:32:20 C 04 42 39.14 -03 10 06.1 V T08
2018-12-04 10:42:00 C 04 42 38.75 -03 09 59.9 V T08
2018-12-04 10:44:02 C 04 42 38.70 -03 09 58.1 V T08
2018-12-04 10:53:36 C 04 42 38.29 -03 09 51.6 V T08
2018-12-04 10:55:43 C 04 42 38.24 -03 09 49.7 V T08
2018-12-04 11:07:21 C 04 42 37.75 -03 09 41.7 V T08
2018-12-04 12:34:57 C 04 42 34.25 -03 08 40.5 V T05
2018-12-04 12:41:14 C 04 42 34.00 -03 08 36.1 V T08
2018-12-04 12:44:44 C 04 42 33.84 -03 08 33.7 V T05
2018-12-04 12:51:46 C 04 42 33.57 -03 08 28.8 V T08
2018-12-04 12:56:51 C 04 42 33.37 -03 08 24.9 V T05
2018-12-04 13:02:29 C 04 42 33.15 -03 08 21.0 V T08
2018-12-04 13:07:42 C 04 42 32.94 -03 08 17.5 V T05
2018-12-04 13:12:36 C 04 42 32.76 -03 08 14.2 V T08
2018-12-04 13:17:29 C 04 42 32.57 -03 08 10.9 V T05
2018-12-04 13:23:21 C 04 42 32.34 -03 08 06.7 V T08
2018-12-04 13:30:37 C 04 42 32.03 -03 08 01.8 V T05
2018-12-04 13:33:26 C 04 42 31.95 -03 07 59.2 V T08
2018-12-04 13:41:14 C 04 42 31.62 -03 07 54.2 V T05
2018-12-04 13:45:04 C 04 42 31.48 -03 07 51.3 V T08
2018-12-04 13:50:58 C 04 42 31.25 -03 07 47.5 V T05
2018-12-04 13:56:16 C 04 42 31.02 -03 07 43.3 V T08
2018-12-07 07:27:02 C 04 40 02.91 -02 19 44.8 q W96
2018-12-07 07:34:26 C 04 40 02.61 -02 19 39.9 q W96
2018-12-07 07:41:52 C 04 40 02.32 -02 19 34.0 q W96
2018-12-08 10:01:43 C 04 39 03.26 -01 59 23.8 V T08
2018-12-08 10:13:30 C 04 39 02.78 -01 59 14.3 V T08
2018-12-08 10:18:23 C 04 39 02.56 -01 59 10.2 V T08
2018-12-08 10:25:17 C 04 39 02.31 -01 59 05.2 V T08
2018-12-08 10:30:13 C 04 39 02.12 -01 59 01.4 V T08
2018-12-08 10:37:08 C 04 39 01.82 -01 58 55.5 V T08
2018-12-08 10:41:58 C 04 39 01.63 -01 58 51.6 V T08
2018-12-08 10:53:40 C 04 39 01.15 -01 58 42.9 V T08
2018-12-09 07:17:02 C 04 38 15.35 -01 42 36.5 V 703
2018-12-09 07:24:32 C 04 38 14.99 -01 42 30.4 V 703
2018-12-09 07:32:02 C 04 38 14.74 -01 42 24.3 V 703
2018-12-09 07:39:32 C 04 38 14.47 -01 42 19.0 V 703
2018-12-10 23:44:58 C 04 36 44.61 -01 09 34.8 V C95
2018-12-10 23:46:40 C 04 36 44.57 -01 09 33.3 V C95