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
2018-11-14 05:29:43 C 04 57 39.04 -06 59 26.8 Q J24
2018-11-14 12:14:51 C 04 57 30.87 -06 57 40.7 V T08
2018-11-14 12:29:29 C 04 57 30.55 -06 57 37.5 V T08
2018-11-14 12:44:08 C 04 57 30.19 -06 57 33.6 V T08
2018-11-14 12:58:44 C 04 57 29.83 -06 57 29.4 V T08
2018-11-14 16:29:32 C 04 57 25.52 -06 56 35.8 q Q11
2018-11-14 16:35:44 C 04 57 25.38 -06 56 34.3 q Q11
2018-11-14 16:54:13 C 04 57 24.93 -06 56 29.4 q Q11
2018-11-15 00:09:12 C 04 57 16.00 -06 54 30.9 q J22
2018-11-15 00:14:49 C 04 57 15.88 -06 54 29.1 q J22
2018-11-15 00:20:43 C 04 57 15.75 -06 54 27.7 q J22
2018-11-15 03:19:18 C 04 57 11.35 -06 53 40.6 q C23
2018-11-15 03:23:27 C 04 57 11.21 -06 53 41.1 q C23
2018-11-15 03:27:37 C 04 57 11.13 -06 53 39.0 q C23
2018-11-15 03:31:46 C 04 57 11.06 -06 53 38.3 q C23
2018-11-16 12:06:08 C 04 56 26.79 -06 44 10.2 V T05
2018-11-16 12:21:14 C 04 56 26.42 -06 44 06.3 V T05
2018-11-16 12:36:09 C 04 56 26.04 -06 44 02.0 V T05
2018-11-16 12:52:48 C 04 56 25.59 -06 43 56.7 V T05
2018-11-16 16:24:20 C 04 56 20.63 -06 42 44.3 V Q62
2018-11-16 16:26:55 C 04 56 20.56 -06 42 43.2 V Q62
2018-11-16 16:29:30 C 04 56 20.50 -06 42 42.6 V Q62
2018-11-17 07:06:49 C 04 55 59.61 -06 38 21.8 V 703
2018-11-17 07:14:27 C 04 55 59.43 -06 38 18.2 V 703
2018-11-17 07:22:05 C 04 55 59.28 -06 38 16.7 V 703
2018-11-17 07:29:43 C 04 55 59.06 -06 38 14.6 V 703
2018-11-17 22:54:41 C 04 55 35.94 -06 33 12.3 V C47
2018-11-17 23:00:00 C 04 55 35.84 -06 33 10.4 V C47
2018-11-17 23:05:19 C 04 55 35.67 -06 33 08.3 V C47
2018-11-18 08:10:02 C 04 55 21.49 -06 30 03.4 q H47
2018-11-18 08:16:37 C 04 55 21.36 -06 30 01.0 q H47
2018-11-18 08:22:39 C 04 55 21.18 -06 29 59.0 q H47
2018-11-18 08:29:43 C 04 55 20.95 -06 29 56.9 q H47
2018-11-19 05:21:03 C 04 54 48.76 -06 22 40.2 V 703
2018-11-19 05:29:20 C 04 54 48.50 -06 22 38.3 V 703
2018-11-19 05:37:34 C 04 54 48.32 -06 22 33.9 V 703
2018-11-19 05:45:48 C 04 54 48.09 -06 22 32.0 V 703
2018-11-19 08:01:26 C 04 54 43.73 -06 21 33.0 q W96
2018-11-19 08:42:41 C 04 54 42.52 -06 21 18.2 q W96
2018-11-20 11:08:54 C 04 53 59.36 -06 11 33.2 V T05
2018-11-20 11:22:02 C 04 53 58.92 -06 11 27.8 V T05
2018-11-20 11:35:05 C 04 53 58.54 -06 11 22.9 V T05
2018-11-20 11:48:00 C 04 53 58.13 -06 11 18.2 V T05
2018-11-26 11:53:51 C 04 49 29.97 -05 06 10.6 V T08
2018-11-26 12:08:16 C 04 49 29.41 -05 06 03.2 V T08
2018-11-26 12:22:39 C 04 49 28.93 -05 05 55.8 V T08
2018-11-26 12:37:14 C 04 49 28.41 -05 05 47.9 V T08
2018-11-27 01:11:56 C 04 49 03.10 -04 59 15.5 q I81
2018-11-27 01:17:09 C 04 49 02.91 -04 59 12.7 q I81
2018-11-27 01:22:22 C 04 49 02.73 -04 59 09.9 q I81