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
2021-08-17 13:20:59 C 02 41 19.07 -27 10 18.8 V T08
2021-08-17 14:06:39 C 02 41 11.62 -27 05 43.3 V T08
2021-08-17 14:18:36 C 02 41 09.64 -27 04 31.2 V T08
2021-08-18 17:42:01 V 02 37 31.97 -24 19 10.6 V 247
2021-08-18 17:42:01 v 1 172.5876 -43.4953 247
2021-08-18 17:52:02 V 02 37 30.47 -24 18 12.0 V 247
2021-08-18 17:52:02 v 1 172.5876 -43.4953 247
2021-08-18 17:56:23 V 02 37 29.81 -24 17 46.3 V 247
2021-08-18 17:56:23 v 1 172.5876 -43.4953 247
2021-08-18 18:02:04 V 02 37 28.98 -24 17 12.9 V 247
2021-08-18 18:02:04 v 1 172.5876 -43.4953 247
2021-08-19 13:05:57 C 02 35 11.00 -22 29 02.0 V T05
2021-08-19 13:08:35 C 02 35 10.62 -22 28 47.3 V T05
2021-08-19 13:12:32 C 02 35 10.04 -22 28 25.2 V T05
2021-08-19 13:28:25 C 02 35 07.72 -22 26 56.3 V T05
2021-08-20 16:13:05 V 02 31 55.88 -19 57 24.8 V 247
2021-08-20 16:13:05 v 1 172.5876 -43.4953 247
2021-08-20 17:30:58 V 02 31 45.29 -19 50 25.4 V 247
2021-08-20 17:30:58 v 1 172.5876 -43.4953 247
2021-08-20 17:54:42 V 02 31 42.07 -19 48 17.1 V 247
2021-08-20 17:54:42 v 1 172.5876 -43.4953 247
2021-08-20 17:59:04 V 02 31 41.48 -19 47 53.5 V 247
2021-08-20 17:59:04 v 1 172.5876 -43.4953 247
2021-08-21 12:05:39 C 02 29 43.48 -18 13 27.9 V T08
2021-08-21 12:08:18 C 02 29 43.14 -18 13 14.6 V T08
2021-08-21 12:12:17 C 02 29 42.61 -18 12 54.0 V T08
2021-08-21 12:18:55 C 02 29 41.75 -18 12 19.7 V T08
2021-08-21 12:20:55 C 02 29 41.48 -18 12 09.5 V T08
2021-08-21 12:21:35 C 02 29 41.40 -18 12 06.0 V T08
2021-08-21 12:28:52 C 02 29 40.44 -18 11 28.6 V T08
2021-08-21 12:44:08 C 02 29 38.41 -18 10 10.1 V T08
2021-08-22 13:12:29 C 02 26 57.30 -16 05 52.5 V T08
2021-08-22 13:22:26 C 02 26 55.99 -16 05 03.6 V T08
2021-08-22 13:27:00 C 02 26 55.39 -16 04 41.1 V T08
2021-08-22 13:36:57 C 02 26 54.08 -16 03 52.1 V T08
2021-08-24 12:54:53 C 02 22 01.32 -12 20 12.9 V T05
2021-08-24 12:57:31 C 02 22 01.01 -12 20 01.2 V T05
2021-08-24 13:02:08 C 02 22 00.44 -12 19 40.4 V T05
2021-08-24 13:09:23 C 02 21 59.55 -12 19 08.0 V T05
2021-08-28 00:22:28 C 02 14 00.55 -06 36 15.3 V 089
2021-08-28 00:25:48 C 02 14 00.20 -06 36 02.3 V 089
2021-08-28 00:29:09 C 02 13 59.87 -06 35 50.3 V 089
2021-08-28 00:32:30 C 02 13 59.48 -06 35 37.2 V 089
2021-08-28 00:35:51 C 02 13 59.18 -06 35 25.5 V 089
2021-08-28 00:39:12 C 02 13 58.77 -06 35 12.1 V 089
2021-08-28 00:42:33 C 02 13 58.40 -06 35 00.2 V 089
2021-08-28 00:45:54 C 02 13 58.09 -06 34 46.3 V 089
2021-08-28 00:49:15 C 02 13 57.69 -06 34 33.8 V 089
2021-08-28 00:52:35 C 02 13 57.34 -06 34 21.7 V 089
2021-08-28 08:18:35 C 02 13 16.96 -06 06 31.1 u H21