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
2021-10-02 13:49:35 C 01 07 50.690 +16 11 10.19 U F52
2021-10-03 06:44:18 C 01 06 53.67 +16 17 08.3 V 703
2021-10-03 06:51:54 C 01 06 53.18 +16 17 10.9 V 703
2021-10-03 06:59:30 C 01 06 52.70 +16 17 13.5 V 703
2021-10-03 07:07:07 C 01 06 52.12 +16 17 16.4 V 703
2021-10-03 17:10:39 C 01 06 17.01 +16 20 39.6 V D29
2021-10-03 17:31:01 C 01 06 15.70 +16 20 46.1 V D29
2021-10-03 17:51:24 C 01 06 14.38 +16 20 52.6 V D29
2021-10-04 10:46:34 C 01 05 18.03 +16 26 22.6 V T05
2021-10-04 10:52:26 C 01 05 17.64 +16 26 24.5 V T05
2021-10-04 11:00:53 C 01 05 17.10 +16 26 27.0 V T05
2021-10-04 11:15:17 C 01 05 16.17 +16 26 31.6 V T05
2021-10-04 17:57:21 C 01 04 53.53 +16 28 25.5 V D29
2021-10-04 18:17:42 C 01 04 52.26 +16 28 31.4 V D29
2021-10-05 07:29:41 C 01 04 11.494 +16 32 25.05 U F52
2021-10-05 07:46:13 C 01 04 10.502 +16 32 30.06 U F52
2021-10-05 08:02:48 C 01 04 09.492 +16 32 35.11 U F52
2021-10-05 08:19:23 C 01 04 08.479 +16 32 40.10 U F52
2021-10-06 08:59:22 C 01 02 49.74 +16 39 12.7 V T08
2021-10-06 09:35:39 C 01 02 47.54 +16 39 22.3 V T08
2021-10-06 10:06:39 C 01 02 45.67 +16 39 30.2 V T08
2021-10-06 10:11:59 C 01 02 45.36 +16 39 31.9 V T08
2021-10-07 21:23:19 C 01 00 59.66 +16 47 23.2 q I76
2021-10-07 21:30:42 C 01 00 59.27 +16 47 24.6 q I76
2021-10-07 21:37:33 C 01 00 58.91 +16 47 26.1 q I76
2021-10-07 21:46:46 C 01 00 58.39 +16 47 28.6 q I76
2021-10-08 23:23:04 C 00 59 43.62 +16 52 27.6 V K87
2021-10-08 23:26:13 C 00 59 43.48 +16 52 28.0 V K87
2021-10-08 23:29:23 C 00 59 43.31 +16 52 28.6 V K87
2021-10-08 23:47:50 C 00 59 43.07 +16 52 41.5 o Z22
2021-10-08 23:54:29 C 00 59 42.58 +16 52 44.1 o Z22
2021-10-09 06:25:38 C 00 59 24.39 +16 53 51.6 V 703
2021-10-09 06:33:49 C 00 59 23.90 +16 53 53.3 V 703
2021-10-09 06:42:01 C 00 59 23.43 +16 53 55.0 V 703
2021-10-09 06:50:12 C 00 59 22.98 +16 53 56.1 V 703
2021-10-09 23:18:37 C 00 58 37.67 +16 56 35.9 V K87
2021-10-09 23:21:47 C 00 58 37.54 +16 56 36.2 V K87
2021-10-09 23:24:57 C 00 58 37.33 +16 56 36.7 V K87
2021-10-09 23:52:39 C 00 58 36.66 +16 56 50.7 o Z22
2021-10-09 23:59:19 C 00 58 36.28 +16 56 52.2 o Z22
2021-10-10 11:46:23 C 00 58 03.71 +16 58 46.2 V T08
2021-10-10 11:51:05 C 00 58 03.50 +16 58 47.0 V T08
2021-10-10 11:59:44 C 00 58 03.04 +16 58 47.7 V T08
2021-10-10 12:20:35 C 00 58 02.01 +16 58 51.2 V T08
2021-10-10 23:07:56 C 00 57 34.89 +17 00 12.5 V K87
2021-10-10 23:11:06 C 00 57 34.74 +17 00 13.0 V K87
2021-10-10 23:14:16 C 00 57 34.57 +17 00 13.3 V K87
2021-10-11 19:29:28 C 00 56 42.17 +17 03 00.2 V D29
2021-10-11 19:49:50 C 00 56 41.30 +17 03 02.1 V D29
2021-10-11 20:10:12 C 00 56 40.39 +17 03 04.2 V D29