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
2021-04-25 09:00:15 C 16 34 09.93 +00 08 36.9 V I52
2021-04-25 09:00:26 C 16 34 09.81 +00 08 36.2 V I52
2021-04-25 09:00:37 C 16 34 09.68 +00 08 35.3 V I52
2021-04-26 23:42:19 C 16 08 57.77 -01 48 41.0 V 033
2021-04-26 23:42:48 C 16 08 57.47 -01 48 42.2 V 033
2021-04-26 23:43:18 C 16 08 57.18 -01 48 43.7 V 033
2021-04-26 23:43:47 C 16 08 56.89 -01 48 45.2 V 033
2021-04-26 23:44:17 C 16 08 56.57 -01 48 46.5 V 033
2021-04-27 02:40:24 C 16 07 09.47 -01 56 56.3 V 033
2021-04-27 02:40:54 C 16 07 09.16 -01 56 57.6 V 033
2021-04-27 02:41:23 C 16 07 08.89 -01 56 59.0 V 033
2021-04-27 02:41:53 C 16 07 08.57 -01 57 00.3 V 033
2021-04-27 02:42:23 C 16 07 08.27 -01 57 01.7 V 033
2021-04-27 22:23:20 C 15 55 52.26 -02 49 10.4 V 033
2021-04-27 22:23:45 C 15 55 52.03 -02 49 11.4 V 033
2021-04-27 22:24:10 C 15 55 51.82 -02 49 12.4 V 033
2021-04-30 00:15:52 C 15 30 59.68 -04 42 27.1 V 033
2021-04-30 00:16:23 C 15 30 59.44 -04 42 28.0 V 033
2021-04-30 00:16:52 C 15 30 59.22 -04 42 28.9 V 033
2021-04-30 00:19:05 C 15 30 58.21 -04 42 33.4 V 033
2021-04-30 08:55:31 C 15 27 10.43 -04 59 28.1 V I52
2021-04-30 08:56:35 C 15 27 09.95 -04 59 30.2 V I52
2021-04-30 08:57:39 C 15 27 09.49 -04 59 32.2 V I52
2021-04-30 08:58:43 C 15 27 09.02 -04 59 34.3 V I52
2021-04-30 11:22:03 C 15 26 07.65 -05 04 04.8 V T05
2021-04-30 11:27:30 C 15 26 05.27 -05 04 15.1 V T05
2021-04-30 11:35:51 C 15 26 01.61 -05 04 31.0 V T05
2021-04-30 12:24:49 C 15 25 40.22 -05 06 04.5 V T05
2021-04-30 17:12:03 C 15 23 39.50 -05 15 13.4 q D29
2021-04-30 17:32:25 C 15 23 30.77 -05 15 51.3 q D29
2021-04-30 17:52:47 C 15 23 22.18 -05 16 29.1 q D29
2021-05-01 09:40:51 C 15 16 59.39 -05 44 50.5 V G96
2021-05-01 09:48:51 C 15 16 56.23 -05 45 04.2 V G96
2021-05-01 09:56:50 C 15 16 53.03 -05 45 18.0 V G96
2021-05-01 10:04:50 C 15 16 49.87 -05 45 31.7 V G96
2021-05-01 10:16:54 C 15 16 45.09 -05 45 52.4 V I52
2021-05-01 10:18:01 C 15 16 44.65 -05 45 54.4 V I52
2021-05-01 10:48:08 C 15 16 32.73 -05 46 45.9 V I52
2021-05-01 12:00:50 C 15 16 05.30 -05 48 45.0 V T08
2021-05-01 12:08:48 C 15 16 02.14 -05 48 58.4 V T08
2021-05-01 12:16:06 C 15 15 59.25 -05 49 10.9 V T08
2021-05-01 12:33:22 C 15 15 52.44 -05 49 40.5 V T08
2021-05-01 23:26:59 C 15 11 47.22 -06 08 02.1 V Z80
2021-05-01 23:38:13 C 15 11 43.02 -06 08 20.3 V Z80
2021-05-02 06:53:39 C 15 09 05.17 -06 19 47.4 V I52
2021-05-02 07:08:45 C 15 08 59.64 -06 20 11.7 V I52
2021-05-02 07:54:03 C 15 08 43.16 -06 21 21.9 V I52
2021-05-02 09:44:06 C 15 08 04.77 -06 24 06.3 V T08
2021-05-02 10:37:30 C 15 07 45.43 -06 25 29.9 V T08
2021-05-02 10:58:18 C 15 07 37.92 -06 26 00.9 V T08