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
2021-04-30 08:41:23 C 14 55 55.36 +09 50 26.3 o 691
2021-05-01 10:06:14 C 14 52 13.24 +09 34 14.7 o 691
2021-05-01 10:29:01 C 14 52 09.42 +09 33 58.0 o 691
2021-05-01 10:51:48 C 14 52 05.64 +09 33 41.3 o 691
2021-05-02 20:26:00 C 14 46 44.61 +09 07 25.6 V 033
2021-05-02 20:27:15 C 14 46 44.36 +09 07 24.5 V 033
2021-05-02 20:28:29 C 14 46 44.17 +09 07 23.5 V 033
2021-05-02 20:52:22 C 14 46 39.70 +09 07 03.6 V 033
2021-05-02 20:53:37 C 14 46 39.47 +09 07 02.4 V 033
2021-05-02 20:54:51 C 14 46 39.25 +09 07 01.6 V 033
2021-05-03 01:01:04 C 14 45 52.50 +09 03 34.6 V 204
2021-05-03 01:23:29 C 14 45 48.18 +09 03 14.8 V 204
2021-05-03 22:11:54 C 14 42 02.02 +08 43 41.7 V B67
2021-05-03 22:22:39 C 14 41 59.77 +08 43 31.5 V B67
2021-05-03 22:33:23 C 14 41 57.52 +08 43 21.0 V B67
2021-05-03 23:27:03 C 14 41 45.52 +08 42 25.2 o K88
2021-05-03 23:28:01 C 14 41 45.31 +08 42 25.1 o K88
2021-05-03 23:29:00 C 14 41 45.12 +08 42 23.6 o K88
2021-05-05 04:50:03 C 14 35 50.53 +08 10 18.3 V U68
2021-05-05 04:54:52 C 14 35 49.40 +08 10 12.7 V U68
2021-05-05 05:24:40 C 14 35 42.38 +08 09 38.0 V U68
2021-05-05 05:29:29 C 14 35 41.35 +08 09 32.2 V U68
2021-05-05 06:12:37 C 14 35 29.00 +08 08 39.6 q 734
2021-05-05 06:17:39 C 14 35 27.79 +08 08 33.4 q 734
2021-05-05 06:20:09 C 14 35 27.21 +08 08 30.6 q 734
2021-05-05 06:22:41 C 14 35 26.57 +08 08 27.3 q 734
2021-05-05 11:52:05 C 14 34 11.81 +08 02 09.9 V T05
2021-05-05 11:57:35 C 14 34 10.37 +08 02 02.9 V T05
2021-05-05 12:23:48 C 14 34 04.04 +08 01 29.1 V T05
2021-05-05 12:31:12 C 14 34 02.22 +08 01 20.4 V T05
2021-05-07 21:55:08 C 14 19 41.03 +06 35 15.4 V 595
2021-05-07 22:13:47 C 14 19 35.32 +06 34 42.9 V 595
2021-05-07 22:32:27 C 14 19 29.61 +06 34 10.0 V 595
2021-05-07 23:07:15 C 14 19 19.34 +06 33 06.8 V B67
2021-05-07 23:15:40 C 14 19 16.72 +06 32 52.3 V B67
2021-05-07 23:24:06 C 14 19 14.20 +06 32 37.9 V B67
2021-05-07 23:25:41 C 14 19 13.71 +06 32 30.4 V K87
2021-05-07 23:32:34 C 14 19 11.59 +06 32 22.7 V B67
2021-05-07 23:34:15 C 14 19 11.10 +06 32 15.3 V K87
2021-05-07 23:42:48 C 14 19 08.50 +06 32 00.0 V K87
2021-05-08 21:43:32 C 14 12 36.54 +05 50 29.1 V A17
2021-05-08 22:00:14 C 14 12 30.93 +05 49 55.8 V A17
2021-05-08 22:05:37 C 14 12 29.01 +05 49 44.4 V K87
2021-05-08 22:12:06 C 14 12 26.84 +05 49 31.5 V K87
2021-05-08 22:18:34 C 14 12 24.67 +05 49 18.6 V K87
2021-05-08 22:21:12 C 14 12 23.91 +05 49 13.9 V A17
2021-05-08 22:56:57 C 14 12 12.66 +05 47 58.5 V Z80
2021-05-08 23:11:56 C 14 12 07.62 +05 47 28.4 V Z80
2021-05-08 23:27:06 C 14 12 02.55 +05 46 57.0 V Z80
2021-05-09 01:37:51 C 14 11 18.96 +05 43 08.6 V G40