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
2021-06-10 02:55:58 C 14 24 29.49 -49 55 50.3 u 807
2021-06-10 02:59:21 C 14 24 29.07 -49 55 53.8 u 807
2021-06-11 03:37:35 C 14 21 44.47 -50 22 01.3 u 807
2021-06-11 03:41:55 C 14 21 43.93 -50 22 05.7 u 807
2021-06-11 03:46:16 C 14 21 43.39 -50 22 10.2 u 807
2021-06-12 02:20:12 C 14 19 12.79 -50 46 20.7 u 807
2021-06-12 02:26:41 C 14 19 11.92 -50 46 27.5 u 807
2021-06-12 02:28:07 C 14 19 11.81 -50 46 28.9 u 807
2021-06-13 02:19:50 C 14 16 30.00 -51 12 11.9 u 807
2021-06-13 02:22:05 C 14 16 29.71 -51 12 14.1 u 807
2021-06-13 02:24:21 C 14 16 29.40 -51 12 16.7 u 807
2021-06-19 01:34:21 C 13 59 49.72 -53 52 34.8 u 807
2021-06-19 01:38:54 C 13 59 49.07 -53 52 40.0 u 807
2021-06-19 01:48:12 C 13 59 47.87 -53 52 50.5 u 807
2021-06-20 01:09:01 C 13 57 00.41 -54 20 18.4 u 807
2021-06-20 01:15:00 C 13 56 59.59 -54 20 25.5 u 807
2021-06-20 01:20:59 C 13 56 58.75 -54 20 32.4 u 807
2021-06-21 01:31:56 C 13 54 02.67 -54 49 27.8 u 807
2021-06-21 01:38:09 C 13 54 01.82 -54 49 35.4 u 807
2021-06-21 01:44:27 C 13 54 00.92 -54 49 42.7 u 807
2021-07-16 23:31:20 C 11 42 00.40 -72 39 37.7 V 807
2021-07-16 23:34:21 C 11 41 58.67 -72 39 44.2 V 807
2021-07-16 23:37:25 C 11 41 56.88 -72 39 50.7 V 807
2021-07-30 06:42:52 C 05 28 35.52 -73 33 19.8 V W88
2021-07-30 06:47:58 C 05 28 30.25 -73 33 00.9 V W88
2021-07-30 06:53:04 C 05 28 25.02 -73 32 41.6 V W88
2021-07-30 07:03:02 C 05 28 14.70 -73 32 04.0 V W88
2021-08-01 07:09:21 C 04 44 57.10 -69 47 48.0 V W88
2021-08-01 07:16:50 C 04 44 51.36 -69 47 12.0 V W88
2021-08-01 07:24:15 C 04 44 45.62 -69 46 36.0 V W88
2021-08-13 13:45:05 C 02 56 07.14 -37 30 47.7 V T08
2021-08-13 13:49:44 C 02 56 06.16 -37 30 16.9 V T08
2021-08-13 13:53:03 C 02 56 05.50 -37 29 52.9 V T08
2021-08-13 13:57:41 C 02 56 04.51 -37 29 23.7 V T08
2021-08-13 13:59:01 C 02 56 04.22 -37 29 14.6 V T08
2021-08-13 14:07:02 C 02 56 02.53 -37 28 20.8 V T08
2021-08-13 14:15:02 C 02 56 00.86 -37 27 27.3 V T08
2021-08-13 14:32:59 C 02 55 57.05 -37 25 26.9 V T08
2021-08-13 15:08:09 C 02 55 49.61 -37 21 29.7 V T08
2021-08-14 09:00:10 C 02 52 45.73 -35 19 26.9 V W88
2021-08-14 09:05:22 C 02 52 44.69 -35 18 52.4 V W88
2021-08-14 09:10:20 C 02 52 43.73 -35 18 19.5 V W88
2021-08-14 09:15:15 C 02 52 42.76 -35 17 46.4 V W88
2021-08-14 09:20:26 C 02 52 41.72 -35 17 11.9 V W88
2021-08-15 13:53:31 C 02 48 09.42 -32 09 55.8 V T05
2021-08-15 13:58:08 C 02 48 08.58 -32 09 26.2 V T05
2021-08-15 14:06:06 C 02 48 07.13 -32 08 35.2 V T05
2021-08-15 14:10:42 C 02 48 06.26 -32 08 05.9 V T05
2021-08-15 14:37:08 C 02 48 01.40 -32 05 15.6 V T05
2021-08-17 13:15:00 C 02 41 20.03 -27 10 54.7 V T08