2021 EH4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1464241097 ± 9.61e-07
Semi-major axis (a)1.1506889136 AU ± 1.09e-06
Inclination (i)12.28532578° ± 6.00e-05
Long. of Asc. Node (Ω)14.50334781° ± 6.96e-06
Arg. of Perihelion (ω)233.81395660° ± 2.90e-05
Mean Anomaly (M)230.33134383° ± 1.86e-03
Mean Motion (n)0.7985008501°/day ± 1.14e-06
Perihelion dist (q)0.98220031 AU ± 1.45e-06
Aphelion dist (Q)1.31917751 AU ± 1.67e-06
Orbital Period1.23434594 yr ± 1.76e-06
Physical Parameters
H (abs. magnitude)24.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.383″
Uncertainty1
Orbit TypeApollo
MOID0.031155 AU
Observations Used50
Oppositions1
Arc Total2021-2021
First Observation Used2021-03-10
Last Observation Used2021-09-16
Observations (52)
Date Type RA Dec Mag Band Observatory
2021-09-16 11:19:51 C 01 27 07.13 -16 32 37.2 o 291
2021-09-16 11:38:30 C 01 27 03.61 -16 32 10.2 o 291