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
2021-05-12 04:54:31 C 14 14 01.78 -10 15 31.7 V I52
2021-05-15 09:32:05 C 14 04 28.912 -10 57 41.06 U F51
2021-05-15 09:49:26 C 14 04 26.952 -10 57 49.56 U F51
2021-05-15 10:06:48 C 14 04 24.987 -10 57 58.13 U F51
2021-05-15 10:24:10 C 14 04 23.041 -10 58 06.57 U F51
2021-05-16 12:01:51 C 14 01 45.797 -11 10 06.35 V P07
2021-05-16 12:50:16 C 14 01 40.841 -11 10 28.49 V P07
2021-05-16 13:45:53 C 14 01 35.153 -11 10 54.44 V P07
2021-05-16 13:50:37 C 14 01 34.680 -11 10 57.00 V P07
2021-05-16 14:42:05 C 14 01 29.395 -11 11 20.11 V P07
2021-05-16 16:47:03 C 14 01 16.668 -11 12 16.78 V P07
2021-05-30 05:59:09 C 13 43 00.38 -13 03 01.2 V I52
2021-05-30 06:09:11 C 13 43 00.07 -13 03 02.7 V I52
2021-05-30 06:15:14 C 13 42 59.91 -13 03 04.7 V I52
2021-05-30 06:21:16 C 13 42 59.72 -13 03 07.5 V I52
2021-05-31 05:53:30 C 13 42 23.93 -13 09 20.6 V I52
2021-05-31 06:02:36 C 13 42 23.68 -13 09 23.4 V I52
2021-05-31 06:13:11 C 13 42 23.44 -13 09 26.2 V I52
2021-06-01 05:14:09 C 13 41 52.47 -13 15 25.0 o 691
2021-06-01 05:14:09 C 13 41 52.53 -13 15 24.9 o 691
2021-06-01 05:27:04 C 13 41 52.19 -13 15 28.4 o 691
2021-06-01 05:33:31 C 13 41 52.03 -13 15 30.2 o 691
2021-06-01 05:39:59 C 13 41 51.92 -13 15 31.1 o 691
2021-06-01 05:49:41 C 13 41 51.65 -13 15 33.9 o 691
2021-06-13 01:59:33 C 13 39 43.94 -14 23 03.8 V 807
2021-06-13 02:15:30 C 13 39 43.96 -14 23 07.0 V 807
2021-06-13 02:31:26 C 13 39 43.98 -14 23 10.8 V 807
2021-06-14 04:47:52 C 13 39 51.12 -14 29 13.6 o 291
2021-06-14 05:17:59 C 13 39 51.36 -14 29 21.1 o 291
2021-06-14 05:55:58 C 13 39 51.55 -14 29 28.1 o 291
2025-05-04 05:38:54 C 09 26 08.207 +47 58 38.93 V I52
2025-05-04 05:39:31 C 09 26 08.999 +47 58 32.77 V I52
2025-05-04 05:40:08 C 09 26 09.802 +47 58 26.65 V I52
2025-05-04 05:40:46 C 09 26 10.612 +47 58 20.53 V I52
2025-05-04 05:41:23 C 09 26 11.436 +47 58 14.20 V I52
2025-05-04 05:42:01 C 09 26 12.268 +47 58 08.26 V I52
2025-05-04 05:42:38 C 09 26 13.052 +47 58 01.63 V I52
2025-05-04 05:43:14 C 09 26 13.826 +47 57 56.09 V I52
2025-05-09 20:23:19 B 11 12 28.267 +26 25 11.17 X K87
2025-05-09 20:42:38 B 11 12 36.732 +26 22 38.21 X K87
2025-05-09 21:01:45 B 11 12 45.077 +26 20 06.94 X K87
2025-05-10 19:52:38 B 11 22 08.92 +23 28 00.4 X 595
2025-05-10 20:06:56 B 11 22 14.24 +23 26 18.0 X 595
2025-05-10 20:21:14 B 11 22 19.58 +23 24 35.5 X 595
2025-05-20 05:29:58 C 12 12 11.282 +06 10 38.24 V G96
2025-05-20 05:38:03 C 12 12 12.312 +06 10 15.42 V G96
2025-05-20 05:46:08 C 12 12 13.352 +06 09 52.49 V G96
2025-05-20 05:54:12 C 12 12 14.382 +06 09 29.70 V G96