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
2018-11-27 02:21:03 C 04 49 01.11 -04 58 36.2 q W33
2018-11-27 03:19:53 C 04 48 59.09 -04 58 05.6 q W33
2018-11-27 15:09:23 C 04 48 34.45 -04 51 42.7 q Q21
2018-11-27 15:17:00 C 04 48 34.18 -04 51 38.8 q Q21
2018-11-27 20:51:27 C 04 48 22.98 -04 48 36.0 q K41
2018-11-27 20:58:55 C 04 48 22.66 -04 48 32.6 q K41
2018-11-27 21:09:27 C 04 48 22.30 -04 48 25.3 q K41
2018-11-28 02:15:01 C 04 48 11.34 -04 45 35.2 Q J24
2018-11-28 02:17:11 C 04 48 11.23 -04 45 34.0 Q J24
2018-11-28 02:21:30 C 04 48 11.08 -04 45 31.6 Q J24
2018-11-28 11:57:27 C 04 47 50.97 -04 40 08.1 V T05
2018-11-28 12:11:52 C 04 47 50.43 -04 40 00.3 V T05
2018-11-28 12:26:21 C 04 47 49.88 -04 39 52.0 V T05
2018-11-28 12:40:49 C 04 47 49.34 -04 39 43.8 V T05
2018-11-28 21:41:45 C 04 47 30.97 -04 34 38.0 Q 212
2018-11-28 21:47:58 C 04 47 30.76 -04 34 34.5 Q 212
2018-11-28 21:56:14 C 04 47 30.49 -04 34 30.2 Q 212
2018-11-29 09:40:58 C 04 47 04.93 -04 27 42.4 V 703
2018-11-29 09:48:32 C 04 47 04.57 -04 27 36.9 V 703
2018-11-29 09:56:07 C 04 47 04.35 -04 27 31.4 V 703
2018-11-29 10:03:41 C 04 47 04.12 -04 27 27.6 V 703
2018-11-29 15:26:23 C 04 46 52.79 -04 24 18.2 q Q11
2018-11-29 15:38:44 C 04 46 52.34 -04 24 10.7 q Q11
2018-11-29 15:44:53 C 04 46 52.11 -04 24 07.4 q Q11
2018-11-29 23:20:30 C 04 46 35.80 -04 19 38.0 q 585
2018-11-29 23:21:31 C 04 46 35.77 -04 19 37.4 q 585
2018-11-29 23:22:32 C 04 46 35.73 -04 19 36.7 q 585
2018-11-29 23:23:33 C 04 46 35.71 -04 19 36.4 q 585
2018-11-29 23:24:34 C 04 46 35.64 -04 19 35.5 q 585
2018-11-29 23:26:37 C 04 46 35.56 -04 19 34.3 q 585
2018-11-29 23:27:38 C 04 46 35.52 -04 19 33.6 q 585
2018-11-29 23:28:39 C 04 46 35.48 -04 19 33.3 q 585
2018-11-29 23:29:40 C 04 46 35.46 -04 19 32.5 q 585
2018-11-29 23:30:41 C 04 46 35.45 -04 19 32.0 q 585
2018-11-29 23:32:44 C 04 46 35.30 -04 19 30.9 q 585
2018-11-29 23:33:45 C 04 46 35.28 -04 19 30.1 q 585
2018-11-29 23:34:47 C 04 46 35.26 -04 19 30.2 q 585
2018-11-30 00:39:05 C 04 46 33.20 -04 18 48.3 q J22
2018-11-30 00:45:01 C 04 46 32.97 -04 18 45.2 q J22
2018-11-30 00:50:42 C 04 46 32.76 -04 18 41.8 q J22
2018-11-30 11:40:58 C 04 46 09.10 -04 12 07.4 V T08
2018-11-30 11:53:49 C 04 46 08.67 -04 11 59.6 V T08
2018-11-30 12:06:50 C 04 46 08.13 -04 11 51.6 V T08
2018-11-30 21:36:52 C 04 45 47.89 -04 06 04.2 q C23
2018-11-30 21:45:12 C 04 45 47.62 -04 06 00.6 q C23
2018-11-30 21:51:26 C 04 45 47.41 -04 05 56.6 q C23
2018-11-30 23:10:18 C 04 45 44.60 -04 05 05.1 o G40
2018-11-30 23:41:07 C 04 45 43.37 -04 04 44.4 o G40
2018-12-02 11:37:36 C 04 44 23.90 -03 41 49.5 V T05
2018-12-02 11:50:46 C 04 44 23.39 -03 41 41.1 V T05