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
2024-09-25 07:59:05 C 21 10 09.895 -24 19 08.78 X F51
2024-09-25 08:16:03 C 21 10 09.486 -24 19 08.40 X F51
2024-10-24 05:29:51 C 21 05 36.047 -23 17 41.34 X F51
2024-10-24 05:46:20 C 21 05 36.182 -23 17 38.89 X F51
2024-10-24 06:02:47 C 21 05 36.312 -23 17 36.28 X F51
2025-12-30 13:00:01 C 14 34 29.521 -12 55 13.33 V G96
2025-12-30 13:06:54 C 14 34 30.036 -12 55 16.54 V G96
2025-12-30 13:12:24 C 14 34 30.421 -12 55 19.06 V G96
2025-12-30 13:17:54 C 14 34 30.850 -12 55 20.93 V G96