IAA RAS IAA Minor Planet Database

2021 HV1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8902360194 ± 5.97e-08
Semi-major axis (a)2.5400243615 AU ± 4.39e-09
Inclination (i)21.09861602° ± 1.62e-05
Long. of Asc. Node (Ω)48.84433389° ± 6.30e-06
Arg. of Perihelion (ω)42.48101217° ± 1.65e-05
Mean Anomaly (M)58.72334055° ± 1.54e-06
Mean Motion (n)0.2434756047°/day ± 6.31e-10
Perihelion dist (q)0.27880318 AU ± 1.52e-07
Aphelion dist (Q)4.80124554 AU ± 1.52e-07
Orbital Period4.04815211 yr ± 1.05e-08
Physical Parameters
H (abs. magnitude)19.87
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.212″
Uncertainty0
Orbit TypeApollo
MOID0.093127 AU
Observations Used235
Oppositions9
Arc Total2013-2025
First Observation Used2013-06-01
Last Observation Used2025-05-20
Observations (248)
Date Type RA Dec Mag Band Observatory
2021-04-22 23:59:25 C 17 18 02.93 +03 30 29.7 – V 160
2021-04-23 00:32:37 C 17 17 35.08 +03 28 20.2 – V J95
2021-04-23 00:41:02 C 17 17 27.99 +03 27 48.6 – V J95
2021-04-23 00:50:43 C 17 17 19.84 +03 27 11.7 – V J95
2021-04-23 00:52:43 C 17 17 17.88 +03 27 05.7 – V A17
2021-04-23 00:58:27 C 17 17 13.03 +03 26 43.9 – V A17
2021-04-23 00:58:31 C 17 17 13.25 +03 26 42.4 – V J95
2021-04-23 01:04:48 C 17 17 07.70 +03 26 20.0 – V A17
2021-04-23 01:06:09 C 17 17 06.48 +03 26 14.6 – V K87
2021-04-23 01:10:01 C 17 17 03.20 +03 25 59.8 – V K87
2021-04-23 01:13:54 C 17 16 59.93 +03 25 45.1 – V K87
2021-04-23 01:41:21 C 17 16 36.81 +03 24 02.0 – V K74
2021-04-23 01:43:58 C 17 16 34.60 +03 23 51.9 – V K74
2021-04-23 01:45:11 C 17 16 33.66 +03 23 49.8 – V 130
2021-04-23 01:48:13 C 17 16 31.02 +03 23 35.8 – V K74
2021-04-23 01:48:44 C 17 16 30.68 +03 23 36.6 – V 130
2021-04-23 01:51:28 C 17 16 28.31 +03 23 23.7 – V K74
2021-04-23 01:52:13 C 17 16 27.73 +03 23 23.5 – V 130
2021-04-23 01:54:54 C 17 16 25.41 +03 23 10.5 – V K74
2021-04-23 02:45:37 C 17 15 42.74 +03 19 58.9 – V 033
2021-04-23 02:46:07 C 17 15 42.32 +03 19 57.0 – V 033
2021-04-23 02:46:36 C 17 15 41.91 +03 19 55.2 – V 033
2021-04-23 07:34:07 C 17 11 46.92 +03 02 07.9 – V I52
2021-04-23 07:35:26 C 17 11 45.82 +03 02 03.0 – V I52
2021-04-23 07:36:46 C 17 11 44.72 +03 01 58.2 – V I52
2021-04-24 00:13:05 C 16 58 26.56 +02 00 54.0 – V 595
2021-04-24 00:17:53 C 16 58 22.78 +02 00 37.0 – V 595
2021-04-24 00:20:04 C 16 58 21.03 +02 00 29.1 – V 595
2021-04-24 00:44:51 C 16 58 01.59 +01 58 58.4 – V A17
2021-04-24 00:54:58 C 16 57 53.63 +01 58 21.9 – V A17
2021-04-24 01:03:44 C 16 57 46.72 +01 57 50.5 – V A17
2021-04-24 01:31:22 C 16 57 24.85 +01 56 10.9 – V 033
2021-04-24 01:31:51 C 16 57 24.47 +01 56 09.2 – V 033
2021-04-24 01:32:21 C 16 57 24.08 +01 56 07.4 – V 033
2021-04-24 07:20:21 C 16 52 57.57 +01 35 41.8 – V 291
2021-04-24 07:21:06 C 16 52 57.01 +01 35 39.1 – V 291
2021-04-24 07:22:07 C 16 52 56.23 +01 35 35.6 – V 291
2021-04-24 07:52:40 C 16 52 32.58 +01 33 47.7 – V I52
2021-04-24 07:52:51 C 16 52 32.46 +01 33 47.0 – V I52
2021-04-24 07:53:02 C 16 52 32.31 +01 33 46.2 – V I52
2021-04-24 07:53:13 C 16 52 32.16 +01 33 45.3 – V I52
2021-04-24 08:37:07 C 16 51 58.29 +01 31 12.0 – V 703
2021-04-24 09:04:25 C 16 51 37.32 +01 29 37.8 – V 703
2021-04-25 00:12:29 C 16 40 25.14 +00 37 28.2 – V K87
2021-04-25 00:24:14 C 16 40 16.56 +00 36 49.5 – V K87
2021-04-25 00:34:56 C 16 40 08.76 +00 36 13.4 – V K87
2021-04-25 06:46:19 C 16 35 43.71 +00 16 42.0 – u 807
2021-04-25 06:49:42 C 16 35 41.30 +00 16 30.9 – u 807
2021-04-25 06:53:02 C 16 35 38.90 +00 16 19.9 – u 807
2021-04-25 09:00:04 C 16 34 10.07 +00 08 37.4 – V I52