2021 HU

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4458727744 ± 1.13e-07
Semi-major axis (a)1.5797551987 AU ± 1.60e-09
Inclination (i)6.94359037° ± 6.39e-06
Long. of Asc. Node (Ω)44.82227037° ± 1.87e-05
Arg. of Perihelion (ω)225.24706327° ± 2.73e-05
Mean Anomaly (M)86.69876111° ± 8.22e-06
Mean Motion (n)0.4963952149°/day ± 7.53e-10
Perihelion dist (q)0.87538537 AU ± 1.79e-07
Aphelion dist (Q)2.28412503 AU ± 1.79e-07
Orbital Period1.98556766 yr ± 3.01e-09
Physical Parameters
H (abs. magnitude)25.29
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.226″
Uncertainty0
Orbit TypeApollo
MOID0.018584 AU
Observations Used67
Oppositions2
Arc Total2019-2023
First Observation Used2019-04-07
Last Observation Used2023-04-15
Observations (67)
Date Type RA Dec Mag Band Observatory
2021-04-27 02:04:38 C 09 54 14.06 +59 11 54.0 V 033
2021-04-27 20:04:56 C 08 47 07.56 +61 49 09.1 V 033
2021-04-27 20:05:36 C 08 47 04.67 +61 49 12.2 V 033
2021-04-27 20:06:16 C 08 47 01.73 +61 49 15.0 V 033
2021-04-27 20:06:56 C 08 46 58.82 +61 49 18.0 V 033
2023-03-28 10:24:30 C 14 25 00.526 +10 29 40.66 V F52
2023-03-28 10:40:03 C 14 25 02.026 +10 29 44.91 V F52
2023-03-28 10:55:34 C 14 25 03.503 +10 29 49.54 V F52
2023-03-28 12:51:26 C 14 25 14.602 +10 30 22.76 V F51
2023-04-15 10:21:52 C 16 14 15.479 +11 53 11.00 V G96
2023-04-15 10:29:18 C 16 14 19.792 +11 53 09.13 V G96
2023-04-15 10:36:43 C 16 14 24.126 +11 53 07.26 V G96
2023-04-15 10:44:10 C 16 14 28.442 +11 53 04.88 V G96
2023-04-15 11:18:06 C 16 14 48.310 +11 52 55.20 V G96
2023-04-15 11:20:28 C 16 14 49.690 +11 52 54.80 V G96
2023-04-15 11:22:51 C 16 14 51.080 +11 52 53.90 V G96
2023-04-15 11:25:13 C 16 14 52.480 +11 52 53.40 V G96