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
2009-02-27 20:27:27 C 07 01 34.41 +39 07 57.6 c A24
2009-02-27 21:08:29 C 07 01 40.99 +39 07 26.2 c A24
2009-02-27 21:20:07 C 07 01 42.78 +39 07 17.6 r B09
2009-02-27 21:25:37 C 07 01 43.70 +39 07 13.4 r B09
2009-02-27 21:28:17 C 07 01 44.17 +39 07 11.0 c A24
2009-02-27 21:29:44 C 07 01 44.41 +39 07 09.8 c A24
2009-02-28 20:38:36 C 07 05 32.55 +38 49 32.5 c A41
2009-02-28 20:56:07 C 07 05 35.38 +38 49 18.7 c A41
2009-02-28 21:13:40 C 07 05 38.14 +38 49 05.0 c A41
2009-03-01 21:35:15 C 07 09 35.49 +38 30 10.3 o J93
2009-03-01 21:40:18 C 07 09 36.33 +38 30 06.4 o J93
2009-03-01 21:49:06 C 07 09 37.69 +38 29 59.1 o J93
2009-03-07 19:06:46 C 07 31 36.65 +36 34 51.9 c A53
2009-03-07 19:22:34 C 07 31 38.94 +36 34 38.6 c A53
2009-03-07 19:37:49 C 07 31 41.17 +36 34 25.8 c A53
2009-03-15 19:06:59 C 07 58 54.41 +33 48 40.9 16.8 r 084
2009-03-15 19:10:12 C 07 58 54.81 +33 48 37.9 16.7 r 084
2009-03-19 02:41:04 C 08 09 24.80 +32 38 27.9 r 703
2009-03-19 02:48:51 C 08 09 25.81 +32 38 21.1 r 703
2009-03-19 02:56:39 C 08 09 26.78 +32 38 14.6 r 703
2009-03-19 03:04:34 C 08 09 27.75 +32 38 07.5 r 703
2009-03-20 19:31:46 C 08 14 37.88 +32 02 13.4 v 434
2009-03-20 19:34:07 C 08 14 38.17 +32 02 11.5 v 434
2009-03-20 19:35:58 C 08 14 38.38 +32 02 09.7 v 434
2009-03-20 19:38:35 C 08 14 38.71 +32 02 07.3 v 434
2009-03-20 20:07:21 C 08 14 42.48 +32 01 43.2 c 458
2009-03-20 20:08:51 C 08 14 42.70 +32 01 41.6 c 458
2009-03-20 20:13:43 C 08 14 43.24 +32 01 37.3 c 458
2009-03-21 19:17:43 C 08 17 37.15 +31 41 09.7 c A53
2009-03-21 19:27:41 C 08 17 38.37 +31 41 01.0 c A53
2009-03-21 19:38:13 C 08 17 39.65 +31 40 51.7 c A53
2009-03-21 19:49:16 C 08 17 41.03 +31 40 41.9 c A53
2009-03-21 19:59:16 C 08 17 42.22 +31 40 33.2 c A53
2009-03-24 19:25:21 C 08 26 28.07 +30 37 19.0 v 434
2009-03-24 19:28:02 C 08 26 28.46 +30 37 15.7 v 434
2009-03-24 19:30:56 C 08 26 28.66 +30 37 13.9 v 434
2009-03-24 20:41:48 C 08 26 37.11 +30 36 10.9 c A53
2009-03-24 21:02:19 C 08 26 39.52 +30 35 53.1 c A53
2009-03-24 21:54:55 C 08 26 45.67 +30 35 05.8 c A53
2009-03-28 03:22:06 C 08 35 55.10 +29 26 55.4 r 703
2009-03-28 03:29:56 C 08 35 56.00 +29 26 49.2 r 703
2009-03-28 03:37:51 C 08 35 56.90 +29 26 42.1 r 703
2009-03-28 03:45:44 C 08 35 57.76 +29 26 35.5 r 703
2009-03-28 22:14:18 C 08 38 05.31 +29 10 19.1 i 071
2009-03-28 22:17:47 C 08 38 05.71 +29 10 15.9 i 071
2009-03-28 22:19:31 C 08 38 05.89 +29 10 14.7 i 071
2009-03-28 22:21:16 C 08 38 06.05 +29 10 13.3 i 071
2009-03-31 03:36:30 C 08 44 09.69 +28 23 47.4 o G56
2009-03-31 03:51:27 C 08 44 11.31 +28 23 34.7 o G56
2009-03-31 03:58:52 C 08 44 12.13 +28 23 28.2 o G56