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
2008-04-15 05:03:27 C 12 28 40.76 -08 16 05.7 V G96
2008-04-15 05:13:43 C 12 28 40.15 -08 16 03.4 V G96
2008-05-11 05:44:42 C 11 55 22.15 -06 16 12.0 V G96
2008-05-11 06:13:37 C 11 55 21.18 -06 16 08.3 V G96
2021-05-05 03:54:18 C 15 29 34.03 -36 03 06.0 V W94
2021-05-05 04:02:19 C 15 29 33.74 -36 03 12.7 V W94
2021-05-05 04:10:12 C 15 29 33.41 -36 03 19.7 V W94
2021-05-05 04:59:13 C 15 29 31.53 -36 04 01.0 V W95
2021-05-05 05:06:51 C 15 29 31.23 -36 04 07.4 V W95
2021-05-05 05:14:30 C 15 29 30.92 -36 04 13.6 V W95
2021-05-05 11:29:50 C 15 29 18.81 -36 09 19.5 V 474
2021-05-05 11:32:43 C 15 29 18.70 -36 09 22.0 V 474
2021-05-05 11:35:36 C 15 29 18.58 -36 09 24.4 V 474
2021-05-05 11:38:29 C 15 29 18.46 -36 09 27.2 V 474
2021-05-05 11:41:22 C 15 29 18.37 -36 09 29.2 V 474
2021-05-06 03:40:03 C 15 28 45.09 -36 23 01.5 V W95
2021-05-06 03:47:41 C 15 28 44.78 -36 23 08.1 V W95
2021-05-06 03:55:18 C 15 28 44.46 -36 23 14.6 V W95
2021-05-06 10:13:00 C 15 28 31.23 -36 28 24.6 V 474
2021-05-06 10:15:53 C 15 28 31.12 -36 28 27.1 V 474
2021-05-06 10:18:46 C 15 28 31.01 -36 28 29.7 V 474
2021-05-06 10:21:39 C 15 28 30.90 -36 28 32.1 V 474
2021-05-07 04:07:57 C 15 27 50.83 -36 43 46.9 V W95
2021-05-07 04:15:34 C 15 27 50.48 -36 43 53.6 V W95
2021-05-07 04:23:14 C 15 27 50.13 -36 44 00.2 V W95
2021-05-07 12:35:15 C 15 27 31.56 -36 50 55.8 q E23
2021-05-07 12:45:16 C 15 27 31.10 -36 51 04.3 q E23
2021-05-07 12:52:16 C 15 27 30.85 -36 51 10.6 q E23
2021-05-08 02:24:47 C 15 26 59.03 -37 02 51.3 V W95
2021-05-08 02:36:51 C 15 26 58.47 -37 03 02.1 V W95
2021-05-08 02:47:19 C 15 26 57.99 -37 03 11.3 V W95
2021-05-31 08:41:22 C 14 48 41.97 -45 53 51.5 V T05
2021-05-31 08:46:01 C 14 48 41.49 -45 53 56.6 V T05
2021-05-31 08:46:41 C 14 48 41.41 -45 53 56.9 V T05
2021-05-31 08:52:01 C 14 48 40.83 -45 54 02.7 V T05
2021-05-31 08:56:39 C 14 48 40.33 -45 54 07.3 V T05
2021-05-31 08:57:19 C 14 48 40.29 -45 54 07.9 V T05
2021-05-31 08:59:58 C 14 48 39.99 -45 54 10.2 V T05
2021-05-31 09:46:45 C 14 48 35.01 -45 54 57.1 V T05
2021-05-31 09:47:25 C 14 48 34.94 -45 54 58.0 V T05
2021-06-01 03:53:26 C 14 46 51.10 -46 13 03.4 u 807
2021-06-01 03:58:01 C 14 46 50.60 -46 13 08.0 u 807
2021-06-01 04:02:40 C 14 46 50.11 -46 13 12.7 u 807
2021-06-02 03:18:01 C 14 44 34.62 -46 36 57.0 u 807
2021-06-02 03:19:41 C 14 44 34.43 -46 36 58.7 u 807
2021-06-02 03:21:06 C 14 44 34.28 -46 37 00.2 u 807
2021-06-09 03:54:17 C 14 27 00.49 -49 31 30.9 u 807
2021-06-09 03:55:22 C 14 27 00.36 -49 31 31.9 u 807
2021-06-09 03:56:25 C 14 27 00.22 -49 31 33.0 u 807
2021-06-10 02:52:28 C 14 24 29.92 -49 55 46.7 u 807