2019 HD

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4449686954 ± 6.17e-05
Semi-major axis (a)1.8006258953 AU ± 2.15e-04
Inclination (i)51.52283534° ± 1.87e-03
Long. of Asc. Node (Ω)205.12071929° ± 1.82e-04
Arg. of Perihelion (ω)321.30327999° ± 3.02e-03
Mean Anomaly (M)275.83392325° ± 1.81e-01
Mean Motion (n)0.4079219160°/day ± 7.32e-05
Perihelion dist (q)0.99940374 AU ± 1.63e-04
Aphelion dist (Q)2.60184805 AU ± 3.31e-04
Orbital Period2.41621312 yr ± 4.34e-04
Physical Parameters
H (abs. magnitude)20.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.293″
Uncertainty3
Orbit TypeApollo
MOID0.066185 AU
Observations Used292
Oppositions1
Arc Total2019-2019
First Observation Used2019-04-18
Last Observation Used2019-07-06
Observations (303)
Date Type RA Dec Mag Band Observatory
2019-05-25 02:58:50 C 13 23 42.01 +54 08 51.9 u H21
2019-07-06 08:36:43 C 14 27 26.957 +48 22 06.63 V T12
2019-07-06 08:52:12 C 14 27 27.917 +48 21 58.33 V T12