2021 HY2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3082961033 ± 4.29e-04
Semi-major axis (a)1.2499159300 AU ± 5.72e-04
Inclination (i)1.18076478° ± 1.54e-03
Long. of Asc. Node (Ω)26.44717653° ± 1.66e-03
Arg. of Perihelion (ω)114.88203654° ± 2.56e-03
Mean Anomaly (M)140.69989579° ± 8.52e-01
Mean Motion (n)0.7053279135°/day ± 4.84e-04
Perihelion dist (q)0.86457172 AU ± 6.66e-04
Aphelion dist (Q)1.63526014 AU ± 9.20e-04
Orbital Period1.39740150 yr ± 9.59e-04
Physical Parameters
H (abs. magnitude)28.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.315″
Uncertainty3
Orbit TypeApollo
MOID0.000243 AU
Observations Used20
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-21
Last Observation Used2021-04-25
Observations (20)
Date Type RA Dec Mag Band Observatory
2021-04-21 06:19:50 C 13 17 47.55 -14 33 37.8 V G96
2021-04-21 06:27:15 C 13 17 52.26 -14 34 07.5 V G96
2021-04-21 06:34:41 C 13 17 56.94 -14 34 36.2 V G96
2021-04-21 07:03:45 C 13 18 13.37 -14 36 37.2 V H01
2021-04-21 07:08:07 C 13 18 16.11 -14 36 53.6 V H01
2021-04-21 07:25:15 C 13 18 26.83 -14 37 57.4 V H01
2021-04-21 07:33:27 C 13 18 31.95 -14 38 27.6 V H01
2021-04-21 08:50:41 C 13 19 21.48 -14 42 55.2 V I52
2021-04-21 08:52:49 C 13 19 22.77 -14 43 02.2 V I52
2021-04-22 06:18:29 C 13 32 28.85 -15 46 15.0 V I52
2021-04-22 06:22:43 C 13 32 30.49 -15 46 24.8 V I52
2021-04-23 05:19:52 C 13 41 55.82 -16 30 09.7 V H01
2021-04-23 05:34:46 C 13 41 59.67 -16 30 34.6 V H01
2021-04-23 05:44:15 C 13 42 02.09 -16 30 50.3 V H01
2021-04-23 05:54:33 C 13 42 04.69 -16 31 06.9 V H01
2021-04-23 06:18:41 C 13 42 12.00 -16 31 38.6 V I52
2021-04-23 06:26:32 C 13 42 13.92 -16 31 50.9 V I52
2021-04-25 06:35:58 C 13 54 14.85 -17 24 37.3 V 695
2021-04-25 06:49:49 C 13 54 16.51 -17 24 48.4 V 695
2021-04-25 07:03:40 C 13 54 18.17 -17 24 59.4 V 695