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
2021-09-08 02:18:23 C 01 50 59.70 +05 55 51.7 V K87
2021-09-09 07:05:14 C 01 48 39.18 +06 52 57.0 V 703
2021-09-09 07:12:34 C 01 48 38.49 +06 53 11.4 V 703
2021-09-09 07:19:55 C 01 48 37.84 +06 53 25.5 V 703
2021-09-09 07:27:15 C 01 48 37.05 +06 53 38.7 V 703
2021-09-09 08:57:53 C 01 48 28.53 +06 56 33.0 V G96
2021-09-09 09:04:06 C 01 48 27.94 +06 56 44.8 V G96
2021-09-09 09:10:18 C 01 48 27.34 +06 56 56.7 V G96
2021-09-09 09:16:28 C 01 48 26.75 +06 57 08.4 V G96
2021-09-09 19:05:05 C 01 47 37.862 +07 15 31.68 V O85
2021-09-09 19:07:59 C 01 47 37.573 +07 15 37.21 V O85
2021-09-09 19:10:53 C 01 47 37.306 +07 15 42.66 V O85
2021-09-09 19:13:47 C 01 47 37.019 +07 15 47.76 V O85
2021-09-11 07:55:20 C 01 44 38.30 +08 20 54.3 V 703
2021-09-11 08:03:00 C 01 44 37.59 +08 21 07.7 V 703
2021-09-11 08:10:40 C 01 44 36.88 +08 21 20.9 V 703
2021-09-11 08:18:20 C 01 44 36.15 +08 21 33.8 V 703
2021-09-12 20:53:14 C 01 41 39.33 +09 20 38.0 V L54
2021-09-12 21:08:39 C 01 41 37.99 +09 21 02.0 V L54
2021-09-12 21:22:55 C 01 41 36.75 +09 21 24.7 V L54
2021-09-12 21:32:25 C 01 41 35.92 +09 21 39.8 V L54
2021-09-12 21:43:07 C 01 41 34.98 +09 21 56.4 V L54
2021-09-13 07:44:41 C 01 40 46.24 +09 37 25.5 V 703
2021-09-13 07:52:19 C 01 40 45.53 +09 37 37.1 V 703
2021-09-13 07:59:56 C 01 40 44.84 +09 37 48.8 V 703
2021-09-13 08:07:33 C 01 40 44.13 +09 38 00.8 V 703
2021-09-13 18:35:05 C 01 39 53.013 +09 53 31.87 V O85
2021-09-13 18:37:59 C 01 39 52.705 +09 53 36.19 V O85
2021-09-13 18:40:53 C 01 39 52.456 +09 53 40.44 V O85
2021-09-13 18:57:21 C 01 39 50.924 +09 54 04.50 V O85
2021-09-13 19:00:15 C 01 39 50.685 +09 54 08.53 V O85
2021-09-14 02:19:01 C 01 39 15.24 +10 04 34.4 V K74
2021-09-14 02:22:25 C 01 39 14.94 +10 04 39.5 V K74
2021-09-14 02:29:06 C 01 39 14.35 +10 04 48.6 V K74
2021-09-15 19:27:16 C 01 35 59.41 +11 00 59.1 V D29
2021-09-15 19:28:32 C 01 35 59.30 +11 01 00.6 V D29
2021-09-15 19:47:38 C 01 35 57.60 +11 01 25.0 V D29
2021-09-15 19:48:55 C 01 35 57.46 +11 01 26.6 V D29
2021-09-15 20:09:16 C 01 35 55.67 +11 01 52.5 V D29
2021-09-16 07:33:14 C 01 35 04.73 +11 16 25.1 V 703
2021-09-16 07:40:49 C 01 35 04.05 +11 16 34.6 V 703
2021-09-16 07:48:24 C 01 35 03.38 +11 16 44.4 V 703
2021-09-16 07:55:59 C 01 35 02.71 +11 16 54.0 V 703
2021-09-17 01:22:54 C 01 33 40.15 +11 38 06.0 V K87
2021-09-17 01:29:13 C 01 33 39.62 +11 38 13.4 V K87
2021-09-17 01:35:31 C 01 33 39.07 +11 38 21.1 V K87
2021-09-17 10:55:10 C 01 32 56.93 +11 49 44.5 V T05
2021-09-17 10:57:48 C 01 32 56.72 +11 49 47.7 V T05
2021-09-17 11:05:13 C 01 32 56.06 +11 49 56.5 V T05
2021-09-17 11:20:27 C 01 32 54.69 +11 50 14.5 V T05