162900 (2001 HG31)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5356275917 ± 1.39e-08
Semi-major axis (a)2.5762499943 AU ± 7.82e-09
Inclination (i)6.15830412° ± 1.96e-06
Long. of Asc. Node (Ω)36.49521184° ± 1.24e-05
Arg. of Perihelion (ω)67.43077182° ± 1.31e-05
Mean Anomaly (M)21.59379751° ± 7.64e-06
Mean Motion (n)0.2383582951°/day ± 1.08e-09
Perihelion dist (q)1.19633941 AU ± 3.60e-08
Aphelion dist (Q)3.95616057 AU ± 3.78e-08
Orbital Period4.13506181 yr ± 1.88e-08
Physical Parameters
H (abs. magnitude)15.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.328″
Uncertainty0
Orbit TypeAmor
MOID0.237643 AU
Observations Used1231
Oppositions18
Arc Total2001-2025
First Observation Used2001-02-22
Last Observation Used2025-12-30
Observations (1309)
Date Type RA Dec Mag Band Observatory
2005-04-05 06:44:28 C 12 56 54.60 -00 33 31.1 o 699
2005-04-05 08:03:30 C 12 56 50.29 -00 33 26.7 17.5 c 704
2005-04-05 08:18:59 C 12 56 49.40 -00 33 26.1 17.7 c 704
2005-04-05 08:35:50 C 12 56 48.47 -00 33 24.6 17.6 c 704
2005-04-05 08:52:18 C 12 56 47.59 -00 33 24.4 17.7 c 704
2005-04-05 09:07:05 C 12 56 46.77 -00 33 22.9 17.8 c 704
2005-04-06 23:44:50 C 12 54 46.48 -00 31 32.4 o 084
2005-04-08 06:40:37 C 12 53 12.78 -00 30 11.7 17.3 c 704
2005-04-08 06:54:20 C 12 53 12.12 -00 30 11.1 17.4 c 704
2005-04-08 07:08:43 C 12 53 11.33 -00 30 10.8 17.7 c 704
2005-04-09 06:43:49 C 12 52 01.40 -00 29 20.3 17.3 c 704
2005-04-09 06:57:54 C 12 52 00.65 -00 29 19.4 17.5 c 704
2005-04-09 07:12:12 C 12 51 59.93 -00 29 19.3 17.6 c 704
2005-04-09 07:28:56 C 12 51 59.08 -00 29 18.5 17.9 c 704
2005-04-09 07:43:39 C 12 51 58.25 -00 29 18.1 17.7 c 704
2005-04-11 11:38:41 C 12 49 29.54 -00 27 52.9 18.2 c 608
2005-04-11 11:54:21 C 12 49 28.77 -00 27 52.5 18.2 c 608
2005-04-11 12:09:43 C 12 49 28.01 -00 27 52.3 18.1 c 608
2005-04-13 06:38:53 C 12 47 32.59 -00 27 15.8 17.9 c 704
2005-04-13 06:55:19 C 12 47 31.80 -00 27 15.7 18.0 c 704
2005-04-13 07:11:27 C 12 47 31.06 -00 27 15.5 18.0 c 704
2005-04-13 07:27:08 C 12 47 30.35 -00 27 15.0 18.2 c 704
2005-04-13 07:45:01 C 12 47 29.52 -00 27 15.1 17.8 c 704
2005-04-14 22:50:20 C 12 45 48.18 -00 27 07.3 o 084
2005-04-14 22:54:59 C 12 45 48.00 -00 27 07.2 o 084
2005-04-17 22:30:46 C 12 42 55.48 -00 27 49.5 r 084
2005-04-17 22:34:57 C 12 42 55.28 -00 27 49.4 r 084
2005-04-18 04:30:48 C 12 42 42.20 -00 27 53.3 r 703
2005-04-18 04:40:14 C 12 42 41.84 -00 27 53.6 r 703
2005-04-18 04:50:41 C 12 42 41.40 -00 27 53.2 r 703
2005-04-18 05:00:36 C 12 42 40.92 -00 27 53.2 r 703
2005-04-18 06:35:48 C 12 42 37.24 -00 27 56.2 17.9 c 704
2005-04-18 06:49:08 C 12 42 36.71 -00 27 57.0 18.4 c 704
2005-04-18 07:02:04 C 12 42 36.17 -00 27 56.6 18.2 c 704
2005-04-18 07:15:32 C 12 42 35.65 -00 27 56.9 18.4 c 704
2005-04-18 07:28:30 C 12 42 35.15 -00 27 57.6 18.8 c 704
2005-04-19 08:58:09 C 12 41 38.98 -00 28 34.3 18.3 c 608
2005-04-19 09:14:03 C 12 41 38.37 -00 28 34.6 18.2 c 608
2005-04-19 09:29:40 C 12 41 37.77 -00 28 35.3 18.5 c 608
2005-04-29 06:21:02 C 12 34 47.27 -00 42 39.0 r H45
2005-04-29 06:31:24 C 12 34 46.96 -00 42 39.1 r H45
2005-04-30 21:35:41 C 12 33 59.29 -00 46 21.1 r 170
2005-04-30 21:40:55 C 12 33 59.20 -00 46 21.7 r 170
2005-04-30 21:46:09 C 12 33 59.11 -00 46 22.0 r 170
2005-05-03 03:45:13 C 12 33 02.14 -00 52 02.9 c 691
2005-05-03 04:07:45 C 12 33 01.75 -00 52 05.4 c 691
2005-05-03 04:30:06 C 12 33 01.35 -00 52 07.8 c 691
2005-05-04 04:05:29 C 12 32 39.79 -00 54 50.9 18.1 c 644
2005-05-04 04:35:43 C 12 32 39.30 -00 54 54.4 18.1 c 644
2005-05-04 05:03:59 C 12 32 38.84 -00 54 57.8 18.1 c 644