2019 HG4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6540715050 ± 4.99e-07
Semi-major axis (a)2.1666182471 AU ± 1.24e-07
Inclination (i)7.79928949° ± 3.20e-05
Long. of Asc. Node (Ω)45.08666252° ± 3.92e-05
Arg. of Perihelion (ω)265.53518163° ± 1.49e-04
Mean Anomaly (M)356.85894797° ± 7.69e-05
Mean Motion (n)0.3090570690°/day ± 2.66e-08
Perihelion dist (q)0.74949499 AU ± 1.08e-06
Aphelion dist (Q)3.58374150 AU ± 1.10e-06
Orbital Period3.18914007 yr ± 2.74e-07
Physical Parameters
H (abs. magnitude)22.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.275″
Uncertainty0
Orbit TypeApollo
MOID0.035882 AU
Observations Used51
Oppositions2
Arc Total2019-2022
First Observation Used2019-04-03
Last Observation Used2022-11-27
Observations (52)
Date Type RA Dec Mag Band Observatory
2022-11-26 05:20:10 C 23 02 48.408 -08 33 29.07 V T14
2022-11-27 05:16:35 C 23 08 12.320 -07 43 28.04 V T14