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
2004-10-21 11:28:26 C 08 56 42.26 +22 43 50.9 18.5 c 704
2004-10-21 11:45:16 C 08 56 45.31 +22 43 43.5 19.0 c 704
2004-10-23 12:46:09 C 09 05 19.60 +22 20 41.8 c 670
2004-10-23 12:47:40 C 09 05 19.85 +22 20 41.0 c 670
2004-11-30 10:25:38 C 11 27 52.00 +12 23 38.2 o 699
2004-11-30 10:53:42 C 11 27 55.88 +12 23 15.1 o 699
2004-11-30 11:21:46 C 11 27 59.39 +12 22 56.6 o 699
2004-11-30 11:49:48 C 11 28 03.15 +12 22 36.5 o 699
2004-12-09 10:55:25 C 11 55 29.88 +09 49 49.7 17.8 c 704
2004-12-09 11:14:03 C 11 55 32.09 +09 49 36.2 18.2 c 704
2004-12-09 11:31:59 C 11 55 34.26 +09 49 23.5 18.3 c 704
2004-12-09 11:51:53 C 11 55 36.63 +09 49 10.0 18.2 c 704
2004-12-09 12:10:29 C 11 55 38.78 +09 48 57.2 18.1 c 704
2004-12-14 12:05:47 C 12 09 45.38 +08 27 25.4 d 703
2004-12-14 12:15:53 C 12 09 46.51 +08 27 20.0 d 703
2004-12-14 12:25:11 C 12 09 47.56 +08 27 13.6 d 703
2004-12-14 12:34:30 C 12 09 48.57 +08 27 07.7 d 703
2004-12-15 10:51:44 C 12 12 20.41 +08 12 21.6 18.1 c 704
2004-12-15 11:10:23 C 12 12 22.43 +08 12 10.0 18.0 c 704
2004-12-15 11:26:44 C 12 12 24.24 +08 11 59.0 d 703
2004-12-15 11:28:45 C 12 12 24.48 +08 11 58.0 18.2 c 704
2004-12-15 11:36:10 C 12 12 25.29 +08 11 52.6 d 703
2004-12-15 11:45:24 C 12 12 26.32 +08 11 46.5 d 703
2004-12-15 11:49:07 C 12 12 26.73 +08 11 44.4 18.4 c 704
2004-12-15 11:54:42 C 12 12 27.28 +08 11 40.7 d 703
2004-12-15 12:07:36 C 12 12 28.78 +08 11 32.4 18.4 c 704
2004-12-16 11:49:50 C 12 15 07.89 +07 55 58.6 d 703
2004-12-16 11:59:56 C 12 15 08.99 +07 55 52.6 d 703
2004-12-16 12:10:03 C 12 15 10.13 +07 55 46.0 d 703
2004-12-16 12:20:09 C 12 15 11.24 +07 55 39.3 d 703
2005-01-07 09:58:34 C 13 04 58.48 +02 56 49.7 18.3 c 704
2005-01-07 10:17:32 C 13 04 59.92 +02 56 40.1 18.4 c 704
2005-01-07 10:38:21 C 13 05 01.51 +02 56 30.2 18.2 c 704
2005-01-07 10:58:40 C 13 05 03.04 +02 56 20.9 18.1 c 704
2005-01-07 11:17:33 C 13 05 04.43 +02 56 12.0 18.3 c 704
2005-01-13 12:05:27 C 13 15 32.87 +01 52 02.3 r 683
2005-01-13 12:24:43 C 13 15 33.97 +01 51 55.3 r 683
2005-01-13 12:44:03 C 13 15 35.33 +01 51 47.4 r 683
2005-01-17 10:51:47 C 13 21 34.68 +01 14 43.1 d 703
2005-01-17 11:04:44 C 13 21 35.47 +01 14 38.1 d 703
2005-01-17 11:17:46 C 13 21 36.22 +01 14 33.8 d 703
2005-01-17 11:30:46 C 13 21 37.16 +01 14 28.6 d 703
2005-01-23 11:18:38 C 13 29 27.17 +00 24 58.9 c H41
2005-01-23 11:21:46 C 13 29 27.21 +00 24 58.2 c H41
2005-01-23 11:24:00 C 13 29 27.41 +00 24 57.6 c H41
2005-02-03 10:28:46 C 13 39 27.92 -00 43 13.1 17.6 c 704
2005-02-03 10:46:31 C 13 39 28.32 -00 43 16.6 17.6 c 704
2005-02-03 11:05:53 C 13 39 28.82 -00 43 20.7 17.8 c 704
2005-02-03 11:24:29 C 13 39 29.24 -00 43 24.3 17.9 c 704
2005-02-03 11:44:24 C 13 39 29.74 -00 43 28.4 17.5 c 704