2001 WH1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7949331589 ± 2.00e+00
Semi-major axis (a)2.4784814198 AU ± 3.00e+00
Inclination (i)15.59765729° ± 4.00e+00
Long. of Asc. Node (Ω)67.02149607° ± 5.00e+00
Arg. of Perihelion (ω)108.61668021° ± 6.00e+00
Mean Anomaly (M)50.84158803° ± 3.28e-01
Mean Motion (n)0.2525956700°/day ± 4.59e-01
Perihelion dist (q)0.50825470 AU ± 4.99e+00
Aphelion dist (Q)4.44870550 AU ± 7.32e+00
Orbital Period3.90191810 yr ± 7.08e+00
Physical Parameters
H (abs. magnitude)20.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.402″
Uncertainty3
Orbit TypeApollo
MOID0.058635 AU
Observations Used103
Oppositions1
Arc Total2001-2001
First Observation Used
Last Observation Used2001-12-11
Observations (108)
Date Type RA Dec Mag Band Observatory
2001-12-10 17:08:09 C 00 28 50.52 +36 55 09.4 c 185
2001-12-10 17:10:39 C 00 28 44.59 +36 55 09.7 c 185
2001-12-10 17:12:03 C 00 28 41.40 +36 55 10.7 c 185
2001-12-10 17:14:34 C 00 28 35.55 +36 55 11.8 c 185
2001-12-10 17:16:49 C 00 28 30.19 +36 55 12.2 c 185
2001-12-11 05:33:25 C 23 59 33.26 +36 45 54.3 c 670
2001-12-11 05:34:40 C 23 59 30.26 +36 45 51.7 c 670
2001-12-11 05:39:08 C 23 59 19.46 +36 45 41.4 c 670