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
2022-04-10 14:34:54 C 16 21 55.339 -23 53 16.96 U F52
2022-04-10 14:44:55 C 16 21 55.074 -23 53 17.16 U F52
2022-04-10 14:55:00 C 16 21 54.813 -23 53 17.74 U F52
2022-05-06 09:31:03 C 15 57 56.898 -23 44 50.71 V G96
2022-05-06 09:38:43 C 15 57 56.473 -23 44 50.06 V G96
2022-05-06 09:50:31 C 15 57 55.926 -23 44 49.27 V G96
2022-05-06 09:58:13 C 15 57 55.541 -23 44 48.77 V G96
2022-05-21 09:17:14 C 15 40 22.049 -23 14 01.21 U F52
2022-05-21 09:48:40 C 15 40 20.489 -23 13 57.95 U F52
2022-05-21 10:04:18 C 15 40 19.723 -23 13 56.26 U F52
2022-05-22 10:01:37 C 15 39 10.988 -23 11 24.32 U F52
2022-05-22 10:18:05 C 15 39 10.183 -23 11 22.55 U F52
2022-05-22 10:34:35 C 15 39 09.371 -23 11 20.85 U F52
2022-05-25 09:08:08 C 15 35 50.462 -23 03 39.21 U F52
2022-05-25 09:24:38 C 15 35 49.677 -23 03 37.45 U F52
2022-05-25 09:41:08 C 15 35 48.886 -23 03 35.61 U F52
2022-05-25 09:57:39 C 15 35 48.106 -23 03 33.81 U F52
2022-05-31 08:48:54 C 15 29 26.111 -22 47 19.10 U F52
2022-05-31 09:03:32 C 15 29 25.460 -22 47 17.64 U F52
2022-05-31 09:18:12 C 15 29 24.819 -22 47 16.01 U F52
2022-05-31 09:32:50 C 15 29 24.180 -22 47 14.30 U F52
2022-06-06 08:19:12 C 15 23 39.248 -22 30 52.47 U F52
2022-06-06 08:35:39 C 15 23 38.610 -22 30 50.79 U F52
2022-06-06 08:52:11 C 15 23 37.961 -22 30 48.85 U F52
2022-06-06 09:08:39 C 15 23 37.323 -22 30 46.92 U F52
2022-06-19 07:36:02 C 15 13 49.228 -21 58 42.61 U F52
2022-06-19 07:52:45 C 15 13 48.797 -21 58 41.15 U F52
2022-06-19 08:09:25 C 15 13 48.349 -21 58 39.60 U F52
2022-06-29 07:47:09 C 15 09 03.418 -21 40 21.23 U F52
2022-06-29 08:02:45 C 15 09 03.172 -21 40 20.56 U F52
2022-06-29 08:18:15 C 15 09 02.905 -21 40 19.39 U F52
2022-06-29 08:33:54 C 15 09 02.691 -21 40 18.52 U F52
2024-06-29 12:47:38 C 22 18 50.170 -18 47 26.61 X F52
2024-06-29 13:02:43 C 22 18 50.052 -18 47 28.84 X F52
2024-06-29 13:17:48 C 22 18 49.890 -18 47 30.85 X F52
2024-07-27 12:08:42 C 22 04 49.249 -20 53 48.70 X F52
2024-07-27 12:25:46 C 22 04 48.673 -20 53 52.49 X F52
2024-07-27 12:42:50 C 22 04 48.091 -20 53 56.30 X F52
2024-07-30 12:04:29 C 22 02 21.111 -21 10 13.13 X F52
2024-07-30 12:19:36 C 22 02 20.544 -21 10 16.69 X F52
2024-07-30 12:49:58 C 22 02 19.435 -21 10 23.47 X F52
2024-08-03 11:08:15 C 21 58 51.057 -21 32 04.14 X F52
2024-08-03 11:28:25 C 21 58 50.264 -21 32 09.10 X F52
2024-08-03 11:48:31 C 21 58 49.479 -21 32 13.60 X F52
2024-08-03 12:08:41 C 21 58 48.687 -21 32 18.31 X F52
2024-08-10 10:20:42 C 21 52 08.783 -22 09 58.06 X F52
2024-08-10 10:36:48 C 21 52 08.092 -22 10 01.75 X F52
2024-08-10 11:08:59 C 21 52 06.706 -22 10 08.85 X F52
2024-09-25 07:25:04 C 21 10 10.686 -24 19 09.28 X F51
2024-09-25 07:42:05 C 21 10 10.284 -24 19 08.92 X F51