2021 HJ2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2443830676 ± 1.17e-05
Semi-major axis (a)1.1422292652 AU ± 1.13e-05
Inclination (i)10.42532260° ± 4.50e-04
Long. of Asc. Node (Ω)53.69585116° ± 7.26e-05
Arg. of Perihelion (ω)263.93345739° ± 2.80e-04
Mean Anomaly (M)194.92824859° ± 1.83e-02
Mean Motion (n)0.8073881138°/day ± 1.20e-05
Perihelion dist (q)0.86308777 AU ± 1.58e-05
Aphelion dist (Q)1.42137076 AU ± 1.94e-05
Orbital Period1.22075897 yr ± 1.82e-05
Physical Parameters
H (abs. magnitude)23.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.281″
Uncertainty2
Orbit TypeApollo
MOID0.020857 AU
Observations Used160
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-07
Last Observation Used2021-05-23
Observations (163)
Date Type RA Dec Mag Band Observatory
2021-05-18 08:17:30 C 12 08 54.17 -08 53 40.0 V T08
2021-05-20 03:48:47 C 11 28 24.53 -13 29 45.6 o 691
2021-05-20 04:02:25 C 11 28 10.19 -13 31 12.7 o 691
2021-05-20 04:16:04 C 11 27 55.89 -13 32 39.5 o 691
2021-05-20 07:39:01 C 11 24 30.73 -13 53 49.3 V T05
2021-05-20 07:44:17 C 11 24 25.10 -13 54 23.3 V T05
2021-05-20 07:55:31 C 11 24 13.29 -13 55 33.4 V T05
2021-05-20 08:14:13 C 11 23 53.41 -13 57 32.1 V T05
2021-05-23 00:04:30 C 10 15 53.10 -20 16 46.8 u 807
2021-05-23 00:08:46 C 10 15 48.19 -20 17 09.2 u 807
2021-05-23 00:12:55 C 10 15 43.41 -20 17 30.9 u 807
2021-05-23 03:41:34 C 10 11 52.07 -20 38 51.5 o 691
2021-05-23 03:55:23 C 10 11 36.21 -20 40 00.4 o 691