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
2016-08-14 12:29:18 C 23 32 22.555 -11 47 12.23 L F51
2016-08-14 12:45:53 C 23 32 22.076 -11 47 16.07 L F51
2016-08-14 13:19:06 C 23 32 21.107 -11 47 23.81 L F51
2016-08-27 11:01:33 C 23 21 42.215 -13 05 46.15 L F51
2016-08-27 11:17:34 C 23 21 41.540 -13 05 50.45 L F51
2016-08-27 11:33:35 C 23 21 40.868 -13 05 54.77 L F51
2016-08-27 11:49:34 C 23 21 40.192 -13 05 59.03 L F51
2016-09-02 08:20:37 C 23 15 38.30 -13 43 43.5 q 703
2016-09-02 08:33:41 C 23 15 37.67 -13 43 47.9 q 703
2016-09-02 08:40:12 C 23 15 37.37 -13 43 48.6 q 703
2016-09-03 06:21:18 C 23 14 38.50 -13 49 34.3 o 691
2016-09-03 06:36:28 C 23 14 37.75 -13 49 39.5 o 691
2016-09-03 06:51:40 C 23 14 37.21 -13 49 43.6 o 691
2016-09-11 06:34:49 C 23 05 31.65 -14 38 57.5 q G96
2016-09-11 06:45:49 C 23 05 31.10 -14 39 00.1 q G96
2016-09-11 06:51:19 C 23 05 30.81 -14 39 01.5 q G96
2016-09-19 08:22:53 C 22 56 02.916 -15 22 11.29 L F51
2016-09-19 08:39:59 C 22 56 02.056 -15 22 14.64 L F51
2016-09-19 08:57:07 C 22 56 01.198 -15 22 18.19 L F51
2016-09-19 09:14:19 C 22 56 00.333 -15 22 21.54 L F51
2016-09-27 12:23:42 C 22 46 51.05 -15 55 24.9 q Q60
2016-09-27 12:37:36 C 22 46 50.40 -15 55 26.6 q Q60
2016-09-27 12:51:31 C 22 46 49.71 -15 55 28.5 q Q60
2016-09-30 08:59:56 C 22 43 51.355 -16 04 07.01 L F51
2016-09-30 09:16:39 C 22 43 50.612 -16 04 08.91 L F51
2016-09-30 09:33:21 C 22 43 49.871 -16 04 10.74 L F51
2016-09-30 09:50:04 C 22 43 49.143 -16 04 12.61 L F51
2016-10-17 06:49:14 C 22 30 14.069 -16 18 51.87 L F51
2016-10-17 07:05:03 C 22 30 13.671 -16 18 51.10 L F51
2016-10-17 07:36:42 C 22 30 12.899 -16 18 49.78 L F51
2016-10-20 04:08:59 C 22 28 45.83 -16 15 09.6 q 703
2016-10-20 04:26:17 C 22 28 45.30 -16 15 07.4 q 703
2016-10-20 04:34:57 C 22 28 45.17 -16 15 07.6 q 703
2016-11-08 01:30:31 C 22 26 09.08 -15 09 20.9 V G45
2016-11-08 01:47:15 C 22 26 09.14 -15 09 17.4 V G45
2016-11-08 02:21:38 C 22 26 09.35 -15 09 09.3 V G45
2016-11-08 03:05:07 C 22 26 09.68 -15 09 00.5 V G45
2016-11-15 05:23:47 C 22 28 17.482 -14 27 23.29 L F51
2016-11-15 05:43:23 C 22 28 17.801 -14 27 17.93 L F51
2016-11-15 06:02:57 C 22 28 18.104 -14 27 12.75 L F51
2018-07-11 06:47:26 C 15 42 56.550 -24 25 20.66 U F51
2018-07-11 07:06:36 C 15 42 56.278 -24 25 19.52 U F51
2018-07-11 07:25:45 C 15 42 56.005 -24 25 18.47 U F51
2018-07-11 07:44:58 C 15 42 55.726 -24 25 16.95 U F51
2020-07-22 13:29:09 C 22 47 51.281 -16 25 28.48 U F52
2020-07-22 13:45:48 C 22 47 50.932 -16 25 31.73 U F52
2020-07-22 14:02:28 C 22 47 50.583 -16 25 34.88 U F52
2020-07-22 14:19:06 C 22 47 50.238 -16 25 38.18 U F52
2020-08-09 11:51:07 C 22 35 38.312 -18 03 30.55 U F51
2020-08-09 11:52:03 C 22 35 38.278 -18 03 30.99 U F51