IAA RAS IAA Minor Planet Database

2021 JH1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5772905746 ± 8.19e-05
Semi-major axis (a)2.8226392111 AU ± 5.54e-04
Inclination (i)34.10143684° ± 1.50e-03
Long. of Asc. Node (Ω)45.46614947° ± 5.39e-04
Arg. of Perihelion (ω)143.02505332° ± 1.19e-03
Mean Anomaly (M)351.33312082° ± 1.02e-01
Mean Motion (n)0.2078400416°/day ± 6.12e-05
Perihelion dist (q)1.19315620 AU ± 3.29e-04
Aphelion dist (Q)4.45212222 AU ± 9.04e-04
Orbital Period4.74223482 yr ± 1.40e-03
Physical Parameters
H (abs. magnitude)21.75
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.230″
Uncertainty3
Orbit TypeAmor
MOID0.258220 AU
Observations Used51
Oppositions1
Arc Total2021-2021
First Observation Used2021-05-03
Last Observation Used2021-06-03
Observations (51)
Date Type RA Dec Mag Band Observatory
2021-05-03 05:15:25 C 12 22 06.47 +36 14 18.6 – V G96
2021-05-03 05:22:56 C 12 22 05.99 +36 13 39.4 – V G96
2021-05-03 05:30:26 C 12 22 05.48 +36 12 59.4 – V G96
2021-05-03 05:37:56 C 12 22 05.11 +36 12 19.5 – V G96
2021-05-03 07:25:23 C 12 21 58.48 +36 02 44.2 – V H01
2021-05-03 07:30:17 C 12 21 58.19 +36 02 18.0 – V H01
2021-05-03 07:36:07 C 12 21 57.93 +36 01 48.1 – V I52
2021-05-03 07:40:57 C 12 21 57.64 +36 01 22.3 – V I52
2021-05-03 07:45:47 C 12 21 57.39 +36 00 55.4 – V I52
2021-05-03 07:50:38 C 12 21 57.11 +36 00 30.7 – V I52
2021-05-03 07:50:44 C 12 21 56.99 +36 00 28.1 – V H01
2021-05-03 07:55:46 C 12 21 56.71 +36 00 01.3 – V H01
2021-05-03 20:49:17 C 12 21 18.05 +34 51 07.5 – V L01
2021-05-03 20:53:57 C 12 21 17.77 +34 50 42.1 – V L01
2021-05-03 20:59:16 C 12 21 17.46 +34 50 13.7 – V L01
2021-05-04 05:16:20 C 12 20 52.79 +34 05 47.3 – V I52
2021-05-04 05:22:23 C 12 20 52.49 +34 05 15.8 – V I52
2021-05-04 05:28:25 C 12 20 52.12 +34 04 42.5 – V I52
2021-05-04 05:36:50 C 12 20 51.67 +34 03 56.7 – V I52
2021-05-04 05:50:58 C 12 20 50.87 +34 02 41.2 – V G96
2021-05-04 06:07:08 C 12 20 49.97 +34 01 13.4 – V G96
2021-05-04 06:15:15 C 12 20 49.49 +34 00 29.2 – V G96
2021-05-05 03:52:49 C 12 19 50.19 +32 03 23.9 – V I52
2021-05-05 03:58:51 C 12 19 49.87 +32 02 51.3 – V I52
2021-05-05 04:04:54 C 12 19 49.54 +32 02 18.0 – V I52
2021-05-05 04:10:57 C 12 19 49.27 +32 01 45.6 – V I52
2021-05-08 03:33:40 C 12 17 05.88 +25 30 19.7 – V I52
2021-05-08 03:39:42 C 12 17 05.63 +25 29 46.7 – V I52
2021-05-08 03:45:45 C 12 17 05.40 +25 29 13.3 – V I52
2021-05-08 03:51:48 C 12 17 05.16 +25 28 40.5 – V I52
2021-05-09 04:57:45 C 12 16 19.35 +23 10 43.0 – V I52
2021-05-09 05:14:30 C 12 16 18.74 +23 09 11.2 – V I52
2021-05-09 05:20:33 C 12 16 18.50 +23 08 37.9 – V I52
2021-05-09 05:26:36 C 12 16 18.30 +23 08 04.8 – V I52
2021-05-10 05:41:18 C 12 15 40.10 +20 55 25.4 – V I52
2021-05-10 05:55:51 C 12 15 39.63 +20 54 05.7 – V I52
2021-05-10 06:00:41 C 12 15 39.46 +20 53 39.3 – V I52
2021-05-10 06:05:32 C 12 15 39.34 +20 53 13.0 – V I52
2021-05-12 08:14:36 C 12 14 37.438 +16 22 36.70 – U F51
2021-05-12 08:29:48 C 12 14 37.063 +16 21 15.76 – U F51
2021-05-12 09:00:18 C 12 14 36.347 +16 18 32.52 – U F51
2021-05-17 05:31:05 C 12 13 30.41 +06 24 16.1 – V I52
2021-05-17 05:37:44 C 12 13 30.36 +06 23 43.4 – V I52
2021-05-17 05:44:24 C 12 13 30.28 +06 23 11.3 – V I52
2021-05-17 05:51:04 C 12 13 30.26 +06 22 39.2 – V I52
2021-05-29 00:26:15 C 12 16 53.67 -12 36 05.7 – V 807
2021-05-29 00:32:05 C 12 16 53.78 -12 36 24.8 – V 807
2021-05-29 00:38:12 C 12 16 53.90 -12 36 44.8 – V 807
2021-06-03 01:01:39 C 12 20 23.96 -18 31 47.4 – V 807
2021-06-03 01:09:37 C 12 20 24.20 -18 32 08.2 – V 807