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
2021-05-09 02:39:25 C 14 10 57.70 +05 41 00.6 V G40
2021-05-09 07:23:21 C 14 09 28.49 +05 30 59.9 V G96
2021-05-09 07:30:47 C 14 09 25.83 +05 30 44.2 V G96
2021-05-09 07:38:11 C 14 09 23.19 +05 30 28.4 V G96
2021-05-09 07:45:37 C 14 09 20.56 +05 30 12.6 V G96
2021-05-10 00:37:42 C 14 03 38.24 +04 52 40.8 V G40
2021-05-10 01:02:41 C 14 03 28.65 +04 51 41.7 V G40
2021-05-10 01:27:36 C 14 03 19.10 +04 50 43.0 V G40
2021-05-10 10:11:24 C 14 00 10.99 +04 29 57.0 V T08
2021-05-10 10:15:24 C 14 00 09.39 +04 29 46.9 V T08
2021-05-10 10:18:47 C 14 00 08.05 +04 29 39.0 V T08
2021-05-10 10:42:28 C 13 59 58.55 +04 28 40.2 V T08
2021-05-10 21:43:19 C 13 55 50.92 +03 59 31.8 V L18
2021-05-10 21:49:59 C 13 55 48.25 +03 59 14.8 V L18
2021-05-10 21:56:39 C 13 55 45.47 +03 58 56.0 V L18
2021-05-10 22:03:19 C 13 55 42.77 +03 58 38.2 V L18
2021-05-10 22:11:12 C 13 55 42.18 +03 58 13.8 V Z80
2021-05-10 22:21:12 C 13 55 37.98 +03 57 47.3 V Z80
2021-05-10 22:31:12 C 13 55 33.90 +03 57 20.8 V Z80
2021-05-11 05:26:04 C 13 52 52.26 +03 38 53.2 V U52
2021-05-11 05:29:50 C 13 52 50.71 +03 38 43.5 V U52
2021-05-11 05:33:38 C 13 52 49.08 +03 38 33.1 V U52
2021-05-11 06:10:15 C 13 52 33.32 +03 36 50.9 V U52
2021-05-11 06:14:01 C 13 52 31.69 +03 36 41.2 V U52
2021-05-11 06:17:47 C 13 52 30.08 +03 36 31.0 V U52
2021-05-11 20:51:04 C 13 46 26.49 +02 54 14.8 o K88
2021-05-11 20:52:00 C 13 46 26.09 +02 54 12.1 o K88
2021-05-11 20:52:57 C 13 46 25.66 +02 54 09.0 o K88
2021-05-11 21:06:32 C 13 46 22.48 +02 53 48.0 V Z45
2021-05-11 21:29:13 C 13 46 11.99 +02 52 39.6 V Z45
2021-05-12 10:05:40 C 13 40 30.78 +02 13 47.6 V T05
2021-05-12 10:13:37 C 13 40 26.82 +02 13 21.8 V T05
2021-05-12 10:18:15 C 13 40 24.57 +02 13 06.7 V T05
2021-05-12 10:42:44 C 13 40 12.55 +02 11 47.0 V T05
2021-05-14 00:12:46 C 13 21 27.95 -00 03 46.8 V G40
2021-05-14 00:47:32 C 13 21 07.65 -00 06 06.3 V G40
2021-05-14 01:23:11 C 13 20 46.86 -00 08 28.3 V G40
2021-05-14 08:36:19 C 13 16 49.60 -00 37 34.1 V T08
2021-05-14 08:40:57 C 13 16 46.77 -00 37 53.7 V T08
2021-05-14 08:50:58 C 13 16 40.64 -00 38 35.1 V T08
2021-05-14 09:41:54 C 13 16 09.48 -00 42 07.6 V T08
2021-05-17 20:16:24 C 12 19 05.71 -07 42 21.3 V 160
2021-05-17 20:21:17 C 12 19 01.49 -07 42 50.7 V 160
2021-05-17 20:26:09 C 12 18 57.27 -07 43 19.1 V 160
2021-05-18 04:44:17 C 12 11 59.23 -08 32 37.8 o 691
2021-05-18 04:52:24 C 12 11 51.93 -08 33 27.2 o 691
2021-05-18 05:00:31 C 12 11 44.64 -08 34 15.6 o 691
2021-05-18 07:48:55 C 12 09 20.31 -08 50 46.3 V T08
2021-05-18 07:56:54 C 12 09 13.01 -08 51 35.0 V T08
2021-05-18 08:11:32 C 12 08 59.63 -08 53 03.9 V T08