2020 HK4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5588914665 ± 1.55e-07
Semi-major axis (a)2.8445977811 AU ± 1.59e-07
Inclination (i)8.56618105° ± 9.14e-06
Long. of Asc. Node (Ω)187.74621680° ± 1.90e-05
Arg. of Perihelion (ω)105.55535916° ± 4.62e-05
Mean Anomaly (M)29.57045981° ± 3.49e-06
Mean Motion (n)0.2054380933°/day ± 1.73e-08
Perihelion dist (q)1.25477636 AU ± 4.47e-07
Aphelion dist (Q)4.43441921 AU ± 5.07e-07
Orbital Period4.79768025 yr ± 4.03e-07
Physical Parameters
H (abs. magnitude)20.24
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.131″
Uncertainty0
Orbit TypeAmor
MOID0.286346 AU
Observations Used95
Oppositions4
Arc Total2020-2025
First Observation Used2020-04-19
Last Observation Used2025-10-02
Observations (101)
Date Type RA Dec Mag Band Observatory
2025-10-02 09:09:01 C 23 23 34.197 -01 33 57.10 X F51