IAA RAS IAA Minor Planet Database

2021 HU

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4458727744 ± 1.13e-07
Semi-major axis (a)1.5797551987 AU ± 1.60e-09
Inclination (i)6.94359037° ± 6.39e-06
Long. of Asc. Node (Ω)44.82227037° ± 1.87e-05
Arg. of Perihelion (ω)225.24706327° ± 2.73e-05
Mean Anomaly (M)86.69876111° ± 8.22e-06
Mean Motion (n)0.4963952149°/day ± 7.53e-10
Perihelion dist (q)0.87538537 AU ± 1.79e-07
Aphelion dist (Q)2.28412503 AU ± 1.79e-07
Orbital Period1.98556766 yr ± 3.01e-09
Physical Parameters
H (abs. magnitude)25.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.226″
Uncertainty0
Orbit TypeApollo
MOID0.018584 AU
Observations Used67
Oppositions2
Arc Total2019-2023
First Observation Used2019-04-07
Last Observation Used2023-04-15
Observations (67)
Date Type RA Dec Mag Band Observatory
2019-04-07 07:23:36 C 11 38 00.799 +27 04 54.42 – V F51
2019-04-07 07:41:08 C 11 37 57.855 +27 05 08.61 – V F51
2019-04-07 07:58:41 C 11 37 54.962 +27 05 22.41 – V F51
2019-04-21 06:50:29 C 10 28 32.911 +30 13 31.18 – V F51
2021-04-08 11:59:36 C 13 10 42.399 +22 41 06.63 – V F51
2021-04-08 12:15:52 C 13 10 41.327 +22 41 29.06 – V F51
2021-04-08 12:48:34 C 13 10 39.155 +22 42 14.02 – V F51
2021-04-15 08:49:23 C 12 58 13.735 +27 50 31.76 – V F51
2021-04-15 08:53:45 C 12 58 13.159 +27 50 42.54 – V F51
2021-04-17 06:17:28 C 12 52 13.57 +29 58 48.6 – V G96
2021-04-17 06:25:43 C 12 52 12.10 +29 59 14.4 – V G96
2021-04-17 06:33:58 C 12 52 10.53 +29 59 40.8 – V G96
2021-04-17 06:42:12 C 12 52 09.06 +30 00 06.5 – V G96
2021-04-17 08:25:25 C 12 51 50.11 +30 05 29.8 – V G96
2021-04-17 08:26:30 C 12 51 49.92 +30 05 33.5 – V G96
2021-04-17 08:27:35 C 12 51 49.69 +30 05 36.6 – V G96
2021-04-18 07:49:16 C 12 47 54.91 +31 25 24.4 – V G96
2021-04-18 07:50:21 C 12 47 54.63 +31 25 29.1 – V G96
2021-04-18 07:51:26 C 12 47 54.37 +31 25 32.6 – V G96
2021-04-19 08:27:09 C 12 43 01.903 +33 02 31.18 – V F51
2021-04-24 21:19:48 C 11 36 27.36 +48 36 47.0 – V 033
2021-04-24 21:20:52 C 11 36 26.14 +48 36 58.8 – V 033
2021-04-24 21:21:56 C 11 36 24.83 +48 37 11.1 – V 033
2021-04-24 21:23:01 C 11 36 23.59 +48 37 23.0 – V 033
2021-04-24 21:24:06 C 11 36 22.32 +48 37 34.5 – V 033
2021-04-25 20:45:27 C 11 03 57.62 +53 14 59.6 – V 033
2021-04-25 20:46:21 C 11 03 55.93 +53 15 10.7 – V 033
2021-04-25 20:47:16 C 11 03 54.29 +53 15 21.8 – V 033
2021-04-25 20:48:11 C 11 03 52.64 +53 15 33.4 – V 033
2021-04-25 20:49:05 C 11 03 51.01 +53 15 44.6 – V 033
2021-04-25 20:50:03 C 11 03 49.25 +53 15 56.7 – V 033
2021-04-25 23:38:25 C 10 58 38.51 +53 50 15.3 – V 033
2021-04-25 23:38:58 C 10 58 37.52 +53 50 21.7 – V 033
2021-04-25 23:39:31 C 10 58 36.50 +53 50 28.3 – V 033
2021-04-25 23:40:04 C 10 58 35.51 +53 50 34.8 – V 033
2021-04-25 23:40:37 C 10 58 34.46 +53 50 41.3 – V 033
2021-04-25 23:41:09 C 10 58 33.46 +53 50 47.8 – V 033
2021-04-25 23:41:41 C 10 58 32.44 +53 50 54.7 – V 033
2021-04-26 02:19:00 C 10 53 33.45 +54 22 26.0 – V 033
2021-04-26 02:19:54 C 10 53 31.75 +54 22 36.8 – V 033
2021-04-26 02:20:49 C 10 53 29.94 +54 22 48.1 – V 033
2021-04-26 02:21:44 C 10 53 28.18 +54 22 58.9 – V 033
2021-04-26 02:22:38 C 10 53 26.47 +54 23 09.8 – V 033
2021-04-26 20:23:53 C 10 11 25.06 +58 10 11.6 – V 033
2021-04-26 20:24:38 C 10 11 22.86 +58 10 20.5 – V 033
2021-04-26 20:25:22 C 10 11 20.68 +58 10 29.4 – V 033
2021-04-26 20:26:07 C 10 11 18.49 +58 10 37.9 – V 033
2021-04-26 20:26:52 C 10 11 16.32 +58 10 46.8 – V 033
2021-04-27 02:02:36 C 09 54 20.50 +59 11 33.1 – V 033
2021-04-27 02:03:35 C 09 54 17.35 +59 11 43.1 – V 033