2008 HY1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4345278894 ± 2.00e+00
Semi-major axis (a)1.6320452284 AU ± 3.00e+00
Inclination (i)24.64021579° ± 4.00e+00
Long. of Asc. Node (Ω)33.72078749° ± 5.00e+00
Arg. of Perihelion (ω)108.63750148° ± 6.00e+00
Mean Anomaly (M)183.97804008° ± 4.84e+00
Mean Motion (n)0.4726938200°/day ± 1.30e+00
Perihelion dist (q)0.92286860 AU ± 3.68e+00
Aphelion dist (Q)2.34135140 AU ± 5.40e+00
Orbital Period2.08508680 yr ± 5.75e+00
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.381″
Uncertainty4
Orbit TypeApollo
MOID0.119511 AU
Observations Used16
Oppositions1
Arc Total2008-2008
First Observation Used
Last Observation Used2008-04-28
Observations (16)
Date Type RA Dec Mag Band Observatory
2008-04-26 07:12:05 C 13 12 54.50 -08 10 53.1 r G96
2008-04-26 07:21:07 C 13 12 52.99 -08 11 44.4 r G96
2008-04-26 07:30:17 C 13 12 51.40 -08 12 37.1 r G96
2008-04-26 07:39:19 C 13 12 49.89 -08 13 27.9 r G96
2008-04-26 07:59:55 C 13 12 46.45 -08 15 23.8 r G96
2008-04-26 08:00:41 C 13 12 46.34 -08 15 28.4 r G96
2008-04-26 08:02:12 C 13 12 46.09 -08 15 37.0 r G96
2008-04-26 08:45:02 C 13 12 38.96 -08 19 38.5 r G96
2008-04-26 09:09:06 C 13 12 35.03 -08 21 55.0 r G96
2008-04-26 09:10:40 C 13 12 34.72 -08 22 03.4 r G96
2008-04-27 06:06:21 C 13 09 29.72 -10 16 06.2 r G96
2008-04-27 06:13:00 C 13 09 28.68 -10 16 41.0 r G96
2008-04-27 06:19:39 C 13 09 27.63 -10 17 15.7 r G96
2008-04-27 06:26:15 C 13 09 26.57 -10 17 50.6 r G96
2008-04-28 05:20:11 C 13 06 17.60 -12 13 16.7 o 291
2008-04-28 05:25:37 C 13 06 16.83 -12 13 41.4 o 291