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
2021-09-18 06:49:36 C 01 31 25.61 +12 12 14.7 V G96
2021-09-18 06:57:08 C 01 31 24.96 +12 12 23.0 V G96
2021-09-18 07:04:39 C 01 31 24.31 +12 12 31.5 V G96
2021-09-18 07:12:10 C 01 31 23.66 +12 12 40.0 V G96
2021-09-18 11:41:33 C 01 31 02.15 +12 17 46.3 V T05
2021-09-18 11:45:36 C 01 31 01.79 +12 17 51.0 V T05
2021-09-18 11:49:41 C 01 31 01.39 +12 17 55.4 V T05
2021-09-18 12:05:42 C 01 31 00.02 +12 18 12.9 V T05
2021-09-18 12:17:17 C 01 30 58.98 +12 18 25.5 V T05
2021-09-18 12:48:35 C 01 30 56.16 +12 18 59.5 V T05
2021-09-19 00:16:51 C 01 30 04.70 +12 30 58.4 V K87
2021-09-19 00:23:11 C 01 30 04.17 +12 31 04.7 V K87
2021-09-19 00:29:31 C 01 30 03.63 +12 31 11.3 V K87
2021-09-26 06:04:45 C 01 17 32.70 +14 56 03.3 U I41
2021-09-26 06:42:15 C 01 17 29.85 +14 56 27.9 U I41
2021-09-26 06:54:51 C 01 17 28.89 +14 56 36.1 U I41
2021-09-26 07:35:53 C 01 17 25.74 +14 57 02.5 U I41
2021-09-26 07:37:56 C 01 17 25.57 +14 57 03.9 U I41
2021-09-26 22:45:04 C 01 16 23.94 +15 06 15.3 V L54
2021-09-26 23:00:31 C 01 16 22.78 +15 06 24.7 V L54
2021-09-26 23:16:34 C 01 16 21.58 +15 06 34.4 V L54
2021-09-28 09:07:14 C 01 14 08.349 +15 25 59.18 U F52
2021-09-28 09:23:39 C 01 14 07.128 +15 26 08.29 U F52
2021-09-28 09:40:10 C 01 14 05.905 +15 26 17.33 U F52
2021-09-28 09:56:40 C 01 14 04.671 +15 26 26.37 U F52
2021-09-28 10:22:36 C 01 14 02.70 +15 26 41.2 V T08
2021-09-28 10:26:37 C 01 14 02.40 +15 26 43.4 V T08
2021-09-28 10:30:36 C 01 14 02.10 +15 26 45.6 V T08
2021-09-28 10:38:38 C 01 14 01.50 +15 26 49.9 V T08
2021-09-29 18:29:59 C 01 11 57.68 +15 42 43.7 V D29
2021-09-29 18:50:21 C 01 11 56.23 +15 42 53.1 V D29
2021-09-29 19:10:43 C 01 11 54.80 +15 43 02.4 V D29
2021-09-30 11:22:59 C 01 10 54.90 +15 50 39.3 V T05
2021-09-30 11:27:05 C 01 10 54.60 +15 50 41.2 V T05
2021-09-30 11:37:08 C 01 10 53.87 +15 50 45.6 V T05
2021-09-30 11:53:15 C 01 10 52.73 +15 50 52.7 V T05
2021-10-01 06:38:12 C 01 09 44.92 +15 58 50.3 U I41
2021-10-01 06:51:13 C 01 09 44.03 +15 58 55.9 U I41
2021-10-01 07:11:24 C 01 09 42.64 +15 59 04.5 U I41
2021-10-01 07:12:46 C 01 09 42.54 +15 59 05.1 U I41
2021-10-01 22:27:27 C 01 08 47.41 +16 05 07.3 V B67
2021-10-01 22:33:23 C 01 08 47.01 +16 05 09.7 V B67
2021-10-01 22:39:19 C 01 08 46.61 +16 05 12.0 V B67
2021-10-02 12:54:15 C 01 07 54.341 +16 10 51.04 U F52
2021-10-02 12:58:45 C 01 07 54.02 +16 10 53.2 V T08
2021-10-02 13:04:05 C 01 07 53.66 +16 10 55.1 V T08
2021-10-02 13:12:44 C 01 07 53.103 +16 10 57.52 U F52
2021-10-02 13:16:03 C 01 07 52.86 +16 10 59.3 V T08
2021-10-02 13:31:09 C 01 07 51.897 +16 11 03.90 U F52
2021-10-02 13:31:21 C 01 07 51.83 +16 11 04.5 V T08