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
2013-06-01 08:34:40 C 15 10 46.578 -24 49 34.22 V F51
2013-06-01 08:56:00 C 15 10 44.937 -24 49 30.34 V F51
2013-06-01 09:17:19 C 15 10 43.298 -24 49 26.52 V F51
2013-06-01 09:38:39 C 15 10 41.668 -24 49 22.61 V F51
2017-04-25 12:16:21 C 16 36 18.784 -20 06 26.92 V F51
2017-04-25 12:31:23 C 16 36 15.562 -20 06 31.51 V F51
2017-05-19 10:39:01 C 15 00 22.749 -20 26 04.86 V F51
2021-04-16 22:51:59 S 19 30 46.706 +12 15 07.96 L C51
2021-04-17 14:20:03 C 19 16 46.16 +11 29 26.6 V T08
2021-04-17 14:33:05 C 19 16 34.06 +11 28 46.6 V T08
2021-04-17 15:00:56 C 19 16 08.05 +11 27 21.2 V T08
2021-04-17 15:11:33 C 19 15 58.14 +11 26 48.4 V T08
2021-04-18 02:11:03 C 19 05 48.05 +10 51 29.7 V L01
2021-04-18 02:14:03 C 19 05 45.26 +10 51 20.0 V L01
2021-04-18 02:15:33 C 19 05 43.84 +10 51 15.3 V L01
2021-04-18 02:17:03 C 19 05 42.44 +10 51 10.5 V L01
2021-04-18 02:20:02 C 19 05 39.61 +10 51 00.7 V L01
2021-04-18 20:06:27 C 18 49 00.87 +09 50 56.9 V N51
2021-04-18 20:20:49 C 18 48 47.17 +09 50 06.8 V N51
2021-04-18 20:46:20 C 18 48 22.90 +09 48 37.9 V N51
2021-04-19 01:13:22 C 18 44 10.90 +09 32 37.9 V J95
2021-04-19 01:17:59 C 18 44 06.49 +09 32 21.6 V J95
2021-04-19 01:22:34 C 18 44 02.17 +09 32 05.2 V J95
2021-04-19 01:27:09 C 18 43 57.82 +09 31 49.2 V J95
2021-04-19 03:07:24 C 18 42 22.57 +09 25 57.0 V I93
2021-04-19 03:11:18 C 18 42 18.84 +09 25 43.0 V I93
2021-04-19 03:15:21 C 18 42 14.97 +09 25 28.8 V I93
2021-04-19 07:22:09 C 18 38 23.27 +09 10 39.2 q 734
2021-04-19 07:25:37 C 18 38 19.98 +09 10 27.2 q 734
2021-04-19 07:29:03 C 18 38 16.67 +09 10 15.9 q 734
2021-04-19 10:00:24 C 18 35 51.10 +09 02 05.7 u 807
2021-04-19 10:05:01 C 18 35 47.91 +09 00 48.7 q H36
2021-04-19 10:08:48 C 18 35 44.33 +09 00 34.8 q H36
2021-04-19 10:09:24 C 18 35 42.48 +09 01 32.9 u 807
2021-04-19 10:12:39 C 18 35 40.59 +09 00 20.8 q H36
2021-04-19 10:46:06 C 18 35 09.47 +08 58 23.1 V I52
2021-04-19 10:46:17 C 18 35 09.28 +08 58 22.6 V I52
2021-04-19 18:17:41 C 18 28 03.45 +08 30 29.4 q 900
2021-04-19 18:26:31 C 18 27 55.00 +08 29 56.8 q 900
2021-04-20 07:44:24 C 18 15 27.61 +07 39 35.0 o 691
2021-04-20 07:55:03 C 18 15 17.59 +07 38 54.4 o 691
2021-04-20 08:05:44 C 18 15 07.54 +07 38 14.1 o 691
2021-04-21 01:06:52 C 17 59 19.72 +06 32 09.0 V 033
2021-04-21 01:07:21 C 17 59 19.26 +06 32 07.1 V 033
2021-04-21 01:07:51 C 17 59 18.80 +06 32 05.2 V 033
2021-04-22 11:53:28 C 17 28 19.31 +04 17 04.2 V T05
2021-04-22 11:57:26 C 17 28 15.86 +04 16 48.9 V T05
2021-04-22 12:04:41 C 17 28 09.52 +04 16 20.9 V T05
2021-04-22 23:50:11 C 17 18 10.72 +03 31 06.5 V 160
2021-04-22 23:54:48 C 17 18 06.80 +03 30 48.3 V 160