489885 (2008 HY37)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3545345944 ± 1.01e-07
Semi-major axis (a)1.7201266944 AU ± 1.95e-08
Inclination (i)35.14125944° ± 1.63e-05
Long. of Asc. Node (Ω)26.06335727° ± 1.32e-05
Arg. of Perihelion (ω)1.69194161° ± 2.73e-05
Mean Anomaly (M)102.49364566° ± 1.35e-05
Mean Motion (n)0.4368895156°/day ± 7.43e-09
Perihelion dist (q)1.11028227 AU ± 1.75e-07
Aphelion dist (Q)2.32997111 AU ± 1.77e-07
Orbital Period2.25600809 yr ± 3.84e-08
Physical Parameters
H (abs. magnitude)18.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.409″
Uncertainty0
Orbit TypeAmor
MOID0.112911 AU
Observations Used100
Oppositions9
Arc Total2008-2024
First Observation Used2008-04-29
Last Observation Used2024-05-03
Observations (106)
Date Type RA Dec Mag Band Observatory
2022-12-25 01:39:49 C 22 24 53.485 -10 43 18.95 V V00
2022-12-25 01:54:16 C 22 24 55.033 -10 42 49.25 V V00
2022-12-25 02:01:25 C 22 24 55.782 -10 42 34.45 V V00
2024-05-03 05:13:04 C 14 09 28.32 -34 19 28.2 X W84
2024-05-03 05:17:28 C 14 09 27.91 -34 19 28.9 X W84
2024-05-03 05:21:50 C 14 09 27.50 -34 19 29.7 X W84