2021 JH2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5262906150 ± 5.98e-09
Semi-major axis (a)2.1785946812 AU ± 2.08e-08
Inclination (i)6.60224836° ± 1.25e-06
Long. of Asc. Node (Ω)356.42391059° ± 4.60e-06
Arg. of Perihelion (ω)313.51301298° ± 5.83e-06
Mean Anomaly (M)122.24517463° ± 6.84e-06
Mean Motion (n)0.3065120958°/day ± 4.38e-09
Perihelion dist (q)1.03202075 AU ± 1.63e-08
Aphelion dist (Q)3.32516862 AU ± 3.43e-08
Orbital Period3.21561954 yr ± 4.60e-08
Physical Parameters
H (abs. magnitude)19.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.197″
Uncertainty0
Orbit TypeAmor
MOID0.066953 AU
Observations Used480
Oppositions11
Arc Total2008-2024
First Observation Used2008-04-15
Last Observation Used2024-03-17
Observations (499)
Date Type RA Dec Mag Band Observatory
2021-09-03 02:09:29 C 02 01 07.18 +01 11 56.7 V K87
2021-09-03 02:11:36 C 02 01 06.97 +01 12 02.4 V K87
2021-09-03 02:13:43 C 02 01 06.80 +01 12 08.2 V K87
2021-09-03 02:15:50 C 02 01 06.55 +01 12 13.8 V K87
2021-09-03 09:10:51 C 02 00 31.00 +01 31 02.8 q H45
2021-09-03 09:13:37 C 02 00 30.75 +01 31 09.1 q H45
2021-09-03 09:15:18 C 02 00 30.59 +01 31 13.4 q H45
2021-09-03 09:16:20 C 02 00 30.49 +01 31 16.3 q H45
2021-09-03 09:20:01 C 02 00 30.13 +01 31 26.1 q H45
2021-09-03 09:21:37 C 02 00 29.99 +01 31 30.7 q H45
2021-09-03 12:23:02 C 02 00 15.70 +01 39 47.8 V T08
2021-09-03 12:27:40 C 02 00 15.22 +01 40 00.2 V T08
2021-09-03 12:31:39 C 02 00 14.82 +01 40 10.7 V T08
2021-09-03 12:38:57 C 02 00 14.06 +01 40 29.9 V T08
2021-09-04 00:46:41 C 01 59 12.34 +02 11 38.7 V K87
2021-09-04 00:48:48 C 01 59 12.14 +02 11 43.8 V K87
2021-09-04 00:50:55 C 01 59 11.94 +02 11 49.8 V K87
2021-09-04 02:58:50 C 01 58 59.51 +02 17 18.1 V K74
2021-09-04 03:01:09 C 01 58 59.30 +02 17 23.9 V K74
2021-09-04 03:03:21 C 01 58 59.09 +02 17 29.5 V K74
2021-09-04 03:05:32 C 01 58 58.89 +02 17 35.2 V K74
2021-09-04 03:07:44 C 01 58 58.68 +02 17 40.7 V K74
2021-09-04 03:09:57 C 01 58 58.47 +02 17 46.5 V K74
2021-09-04 03:12:10 C 01 58 58.23 +02 17 52.2 V K74
2021-09-04 03:14:32 C 01 58 58.03 +02 17 57.8 V K74
2021-09-04 03:17:53 C 01 58 57.70 +02 18 06.4 V K74
2021-09-04 03:20:06 C 01 58 57.49 +02 18 12.1 V K74
2021-09-04 03:22:20 C 01 58 57.28 +02 18 17.9 V K74
2021-09-04 12:37:08 C 01 58 11.781 +02 42 07.24 U F51
2021-09-04 12:54:14 C 01 58 10.038 +02 42 49.99 U F51
2021-09-04 13:11:11 C 01 58 08.313 +02 43 32.36 U F51
2021-09-05 12:12:12 C 01 56 12.57 +03 39 30.5 V T05
2021-09-05 12:15:30 C 01 56 12.23 +03 39 38.3 V T05
2021-09-05 12:23:03 C 01 56 11.49 +03 39 56.1 V T05
2021-09-05 12:38:58 C 01 56 09.88 +03 40 33.8 V T05
2021-09-06 02:20:22 C 01 55 00.00 +04 11 58.0 V K87
2021-09-06 02:23:30 C 01 54 59.70 +04 12 05.6 V K87
2021-09-06 02:26:40 C 01 54 59.40 +04 12 13.0 V K87
2021-09-06 09:34:52 C 01 54 24.35 +04 28 40.9 V 703
2021-09-06 09:49:57 C 01 54 22.78 +04 29 15.1 V 703
2021-09-06 09:57:30 C 01 54 22.04 +04 29 32.2 V 703
2021-09-07 12:23:53 C 01 52 09.97 +05 27 23.5 V T08
2021-09-07 12:28:37 C 01 52 09.49 +05 27 33.5 V T08
2021-09-07 12:34:35 C 01 52 08.90 +05 27 46.1 V T08
2021-09-07 12:45:57 C 01 52 07.77 +05 28 10.1 V T08
2021-09-08 00:17:51 C 01 51 11.06 +05 51 44.2 V A17
2021-09-08 00:29:11 C 01 51 09.99 +05 52 07.9 V A17
2021-09-08 00:40:33 C 01 51 08.94 +05 52 31.2 V A17
2021-09-08 02:09:57 C 01 51 00.50 +05 55 34.5 V K87
2021-09-08 02:14:10 C 01 51 00.10 +05 55 42.9 V K87