2022 HD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4110780760 ± 3.96e-04
Semi-major axis (a)1.0887162751 AU ± 4.31e-04
Inclination (i)7.44028843° ± 8.90e-03
Long. of Asc. Node (Ω)36.08718162° ± 9.65e-03
Arg. of Perihelion (ω)66.27224769° ± 2.05e-02
Mean Anomaly (M)113.06280152° ± 7.22e-01
Mean Motion (n)0.8676412740°/day ± 5.15e-04
Perihelion dist (q)0.64116888 AU ± 5.00e-04
Aphelion dist (Q)1.53626367 AU ± 7.45e-04
Orbital Period1.13598363 yr ± 6.74e-04
Physical Parameters
H (abs. magnitude)23.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.277″
Uncertainty3
Orbit TypeApollo
MOID0.021313 AU
Observations Used48
Oppositions1
Arc Total2022-2022
First Observation Used2022-04-29
Last Observation Used2022-05-07
Observations (53)
Date Type RA Dec Mag Band Observatory
2022-05-06 06:58:34 C 11 43 14.08 -01 48 28.2 o 291
2022-05-07 03:22:26 C 11 46 45.89 -02 41 22.5 o 291
2022-05-07 03:33:22 C 11 46 47.54 -02 41 49.6 o 291