2018 HG2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3295878510 ± 1.05e-07
Semi-major axis (a)1.1949905204 AU ± 3.60e-08
Inclination (i)14.28926959° ± 1.04e-05
Long. of Asc. Node (Ω)206.36496127° ± 5.98e-06
Arg. of Perihelion (ω)268.72297028° ± 1.32e-05
Mean Anomaly (M)351.77589256° ± 5.91e-05
Mean Motion (n)0.7545110177°/day ± 3.41e-08
Perihelion dist (q)0.80113616 AU ± 1.28e-07
Aphelion dist (Q)1.58884488 AU ± 1.34e-07
Orbital Period1.30631132 yr ± 5.90e-08
NGA Modelr2
A2-4.90874268e-13 ± 5.22e-14 AU/d²
Physical Parameters
H (abs. magnitude)24.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.286″
Uncertainty0
Orbit TypeApollo
MOID0.037054 AU
Observations Used56
Oppositions5
Arc Total2001-2021
First Observation Used2001-04-15
Last Observation Used2021-10-24
Observations (59)
Date Type RA Dec Mag Band Observatory
2021-10-01 07:35:21 C 23 55 52.473 +29 54 15.91 V F51
2021-10-01 08:03:10 C 23 55 49.792 +29 53 35.74 V F51
2021-10-06 12:35:45 C 23 44 13.724 +25 55 57.92 V F51
2021-10-11 10:37:11 C 23 31 13.792 +20 12 03.29 U F51
2021-10-11 10:54:33 C 23 31 11.453 +20 11 01.28 U F51
2021-10-11 11:12:02 C 23 31 09.117 +20 09 58.37 U F51
2021-10-24 05:26:02 C 22 46 07.694 -09 09 11.44 U F52
2021-10-24 05:41:41 C 22 46 04.417 -09 11 19.08 U F52
2021-10-24 05:57:27 C 22 46 01.129 -09 13 27.44 U F52