2021 HY

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1452767844 ± 2.00e+00
Semi-major axis (a)1.1167853078 AU ± 3.00e+00
Inclination (i)34.40962548° ± 4.00e+00
Long. of Asc. Node (Ω)30.65709903° ± 5.00e+00
Arg. of Perihelion (ω)254.37398471° ± 6.00e+00
Mean Anomaly (M)259.04582257° ± 1.55e+00
Mean Motion (n)0.8350290800°/day ± 3.36e+00
Perihelion dist (q)0.95456780 AU ± 3.40e+00
Aphelion dist (Q)1.27916720 AU ± 4.10e+00
Orbital Period1.18032740 yr ± 4.76e+00
Physical Parameters
H (abs. magnitude)25.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.514″
Uncertainty4
Orbit TypeApollo
MOID0.045288 AU
Observations Used33
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-04-21
Observations (33)
Date Type RA Dec Mag Band Observatory
2021-04-17 08:49:25 C 14 25 59.22 +26 02 03.2 V G96
2021-04-17 08:57:37 C 14 25 52.19 +26 00 49.8 V G96
2021-04-18 09:22:39 C 14 04 43.31 +21 57 36.8 V G96
2021-04-18 09:39:23 C 14 04 27.30 +21 54 26.7 V G96
2021-04-18 09:47:45 C 14 04 19.23 +21 52 51.3 V G96
2021-04-18 11:18:36 C 14 02 52.17 +21 35 24.1 V I52
2021-04-18 11:22:10 C 14 02 48.73 +21 34 42.3 V I52
2021-04-18 11:25:44 C 14 02 45.35 +21 34 00.9 V I52
2021-04-18 23:15:50 C 13 51 25.52 +19 09 03.7 V J95
2021-04-18 23:29:02 C 13 51 12.00 +19 06 13.0 V J95
2021-04-18 23:37:42 C 13 51 03.07 +19 04 20.9 V J95
2021-04-18 23:57:35 C 13 50 41.21 +19 00 03.2 V 033
2021-04-18 23:58:31 C 13 50 40.26 +18 59 51.4 V 033
2021-04-18 23:59:25 C 13 50 39.32 +18 59 39.4 V 033
2021-04-19 00:00:19 C 13 50 38.39 +18 59 27.7 V 033
2021-04-19 00:01:14 C 13 50 37.45 +18 59 15.7 V 033
2021-04-19 03:42:32 C 13 47 00.62 +18 10 43.6 q 858
2021-04-19 03:43:59 C 13 46 59.67 +18 10 28.2 V I52
2021-04-19 03:45:36 C 13 46 58.01 +18 10 06.5 V I52
2021-04-19 03:47:14 C 13 46 56.32 +18 09 44.2 V I52
2021-04-19 03:48:51 C 13 46 54.61 +18 09 22.1 V I52
2021-04-19 03:50:32 C 13 46 52.25 +18 08 56.5 q 858
2021-04-19 03:58:31 C 13 46 43.89 +18 07 09.7 q 858
2021-04-19 08:03:09 C 13 42 23.02 +17 11 13.4 V G96
2021-04-19 08:11:32 C 13 42 13.87 +17 09 15.0 V G96
2021-04-19 08:19:55 C 13 42 04.82 +17 07 18.8 V G96
2021-04-19 08:28:14 C 13 41 55.74 +17 05 18.8 V G96
2021-04-20 21:21:48 C 12 59 54.22 +06 58 04.3 V 033
2021-04-20 21:22:33 C 12 59 53.28 +06 57 50.4 V 033
2021-04-20 21:23:17 C 12 59 52.37 +06 57 36.8 V 033
2021-04-21 05:36:40 C 12 49 38.54 +04 21 51.6 V I52
2021-04-21 05:43:00 C 12 49 30.34 +04 19 48.7 V I52
2021-04-21 05:46:10 C 12 49 26.14 +04 18 46.7 V I52