IAA RAS IAA Minor Planet Database

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
2021-10-11 21:04:12 C 00 56 40.32 +17 03 09.5 – V G14
2021-10-11 21:15:27 C 00 56 39.80 +17 03 11.0 – V G14
2021-10-11 21:26:47 C 00 56 39.25 +17 03 12.8 – V G14
2021-10-11 22:16:56 C 00 56 37.69 +17 03 24.6 – o Z22
2021-10-11 22:25:24 C 00 56 37.18 +17 03 25.3 – o Z22
2021-10-12 01:34:35 C 00 56 27.84 +17 03 41.9 18.1 – 122
2021-10-12 02:15:20 C 00 56 26.00 +17 03 46.1 18.1 – 122
2021-10-12 03:01:09 C 00 56 23.97 +17 03 50.9 18.0 – 122
2021-10-12 23:28:40 C 00 55 36.81 +17 06 16.5 – o Z22
2021-10-12 23:35:20 C 00 55 36.38 +17 06 19.4 – o Z22
2021-10-13 06:00:16 C 00 55 21.56 +17 06 56.3 – V 703
2021-10-13 06:07:51 C 00 55 21.23 +17 06 57.6 – V 703
2021-10-13 06:15:26 C 00 55 20.86 +17 06 58.2 – V 703
2021-10-13 06:23:01 C 00 55 20.54 +17 06 59.5 – V 703
2021-10-13 07:15:41 C 00 55 19.457 +17 07 07.40 – U F51
2021-10-13 07:35:22 C 00 55 18.593 +17 07 09.72 – U F51
2021-10-13 13:14:29 C 00 55 05.832 +17 08 00.20 – V P07
2021-10-13 14:33:18 C 00 55 02.395 +17 08 08.56 – V P07
2021-10-13 15:39:41 C 00 54 59.422 +17 08 15.11 – V P07
2021-10-13 16:51:01 C 00 54 56.242 +17 08 21.66 – V P07
2021-10-13 17:51:17 C 00 54 53.590 +17 08 26.84 – V P07
2021-10-14 07:56:14 C 00 54 24.27 +17 09 23.4 – V T08
2021-10-14 08:00:56 C 00 54 24.09 +17 09 24.2 – V T08
2021-10-14 08:06:55 C 00 54 23.81 +17 09 24.7 – V T08
2021-10-14 08:16:56 C 00 54 23.34 +17 09 25.6 – V T08
2021-10-14 11:59:18 C 00 54 13.903 +17 09 42.63 – U F52
2021-10-14 12:17:47 C 00 54 13.141 +17 09 43.81 – U F52
2021-10-16 08:23:04 C 00 52 44.27 +17 12 38.7 – V G96
2021-10-16 08:37:37 C 00 52 43.73 +17 12 39.2 – V G96
2021-10-16 08:45:51 C 00 52 43.41 +17 12 39.6 – V G96
2021-10-16 08:54:05 C 00 52 43.10 +17 12 39.8 – V G96
2021-10-17 20:23:33 C 00 51 40.00 +17 14 15.1 – V G17
2021-10-17 20:38:49 C 00 51 39.52 +17 14 15.4 – V G17
2021-10-17 20:54:04 C 00 51 39.01 +17 14 16.2 – V G17
2021-10-17 20:56:15 C 00 51 38.92 +17 14 16.4 – V 160
2021-10-17 21:02:16 C 00 51 38.76 +17 14 16.4 – V 160
2021-10-17 21:08:18 C 00 51 38.53 +17 14 16.9 – V 160
2021-10-18 03:36:51 C 00 51 27.56 +17 14 33.1 – u H21
2021-10-18 03:39:38 C 00 51 27.47 +17 14 33.0 – u H21
2021-10-18 03:42:24 C 00 51 27.38 +17 14 33.4 – u H21
2021-10-18 03:45:11 C 00 51 27.28 +17 14 33.4 – u H21
2021-10-18 03:47:58 C 00 51 27.19 +17 14 33.4 – u H21
2021-10-25 06:28:45 C 00 47 50.50 +17 15 27.6 – V 703
2021-10-25 06:36:33 C 00 47 50.39 +17 15 27.5 – V 703
2021-10-25 06:44:21 C 00 47 50.21 +17 15 26.6 – V 703
2021-10-25 06:52:09 C 00 47 50.09 +17 15 27.4 – V 703
2021-10-25 21:40:06 C 00 47 38.42 +17 15 03.7 – V Z99
2021-10-25 21:44:00 C 00 47 38.36 +17 15 03.7 – V Z99
2021-10-25 21:47:54 C 00 47 38.32 +17 15 03.6 – V Z99
2021-10-25 21:51:48 C 00 47 38.23 +17 15 03.6 – V Z99