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
2021-08-28 08:21:22 C 02 13 16.66 -06 06 20.7 u H21
2021-08-28 08:24:09 C 02 13 16.36 -06 06 10.5 u H21
2021-08-28 08:26:55 C 02 13 16.06 -06 06 00.2 u H21
2021-08-28 08:29:42 C 02 13 15.76 -06 05 49.9 u H21
2021-08-28 09:33:55 C 02 13 10.85 -06 01 46.3 U I41
2021-08-28 09:35:16 C 02 13 10.71 -06 01 41.3 U I41
2021-08-28 10:58:21 C 02 13 01.65 -05 56 36.2 U I41
2021-08-28 10:59:42 C 02 13 01.50 -05 56 31.2 U I41
2021-08-28 12:39:30 C 02 12 53.60 -05 50 10.3 V T05
2021-08-28 12:44:08 C 02 12 53.09 -05 49 53.4 V T05
2021-08-28 12:58:30 C 02 12 51.49 -05 49 00.9 V T05
2021-08-28 13:05:45 C 02 12 50.70 -05 48 34.5 V T05
2021-08-29 00:23:25 C 02 11 48.79 -05 08 10.5 V 089
2021-08-29 00:26:45 C 02 11 48.45 -05 07 58.9 V 089
2021-08-29 00:30:05 C 02 11 48.10 -05 07 47.3 V 089
2021-08-29 00:33:25 C 02 11 47.75 -05 07 35.6 V 089
2021-08-29 00:36:45 C 02 11 47.41 -05 07 23.9 V 089
2021-08-29 00:40:05 C 02 11 47.04 -05 07 12.1 V 089
2021-08-29 00:43:25 C 02 11 46.66 -05 07 00.3 V 089
2021-08-29 00:46:45 C 02 11 46.36 -05 06 48.0 V 089
2021-08-29 00:50:05 C 02 11 46.00 -05 06 36.3 V 089
2021-08-29 00:53:25 C 02 11 45.66 -05 06 23.6 V 089
2021-08-29 05:57:21 C 02 11 20.11 -04 46 55.6 u 807
2021-08-29 06:01:25 C 02 11 19.70 -04 46 40.7 u 807
2021-08-29 06:05:50 C 02 11 19.21 -04 46 25.5 u 807
2021-08-30 13:05:34 C 02 08 31.54 -03 01 55.5 V T08
2021-08-30 13:08:14 C 02 08 31.26 -03 01 46.6 V T08
2021-08-30 13:12:52 C 02 08 30.76 -03 01 31.5 V T08
2021-08-30 13:20:51 C 02 08 29.90 -03 01 05.2 V T08
2021-09-01 00:30:32 C 02 05 24.58 -01 10 27.9 V 089
2021-09-01 01:09:09 C 02 05 20.67 -01 08 31.0 V 089
2021-09-01 01:12:30 C 02 05 20.33 -01 08 20.5 V 089
2021-09-01 01:41:17 C 02 05 17.42 -01 06 53.1 V 089
2021-09-01 01:44:37 C 02 05 17.10 -01 06 43.2 V 089
2021-09-01 01:47:57 C 02 05 16.76 -01 06 33.2 V 089
2021-09-01 01:51:17 C 02 05 16.42 -01 06 22.6 V 089
2021-09-01 01:54:37 C 02 05 16.08 -01 06 12.5 V 089
2021-09-01 03:01:46 C 02 05 10.54 -01 02 52.9 V K87
2021-09-01 03:03:46 C 02 05 10.33 -01 02 46.8 V K87
2021-09-01 03:04:46 C 02 05 10.23 -01 02 43.2 V K87
2021-09-01 03:05:47 C 02 05 10.16 -01 02 40.2 V K87
2021-09-01 03:06:46 C 02 05 10.07 -01 02 37.4 V K87
2021-09-01 03:08:47 C 02 05 09.82 -01 02 31.8 V K87
2021-09-01 12:49:26 C 02 04 20.777 -00 33 10.34 U F52
2021-09-01 13:24:42 C 02 04 17.088 -00 31 26.93 U F52
2021-09-01 13:42:23 C 02 04 15.229 -00 30 34.86 U F52
2021-09-02 02:53:05 C 02 03 06.61 +00 07 11.3 V K87
2021-09-02 02:54:08 C 02 03 06.53 +00 07 14.4 V K87
2021-09-02 02:55:11 C 02 03 06.40 +00 07 17.7 V K87
2021-09-03 02:07:23 C 02 01 07.39 +01 11 51.0 V K87