417167 (2005 WH57)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3678879483 ± 4.20e-08
Semi-major axis (a)1.7079907181 AU ± 2.47e-09
Inclination (i)40.46468376° ± 1.06e-05
Long. of Asc. Node (Ω)262.07382030° ± 4.36e-06
Arg. of Perihelion (ω)125.44033469° ± 1.62e-05
Mean Anomaly (M)7.81451843° ± 7.27e-06
Mean Motion (n)0.4415541967°/day ± 9.60e-10
Perihelion dist (q)1.07964152 AU ± 7.17e-08
Aphelion dist (Q)2.33633992 AU ± 7.17e-08
Orbital Period2.23217510 yr ± 4.85e-09
Physical Parameters
H (abs. magnitude)19.01
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.300″
Uncertainty0
Orbit TypeAmor
MOID0.214876 AU
Observations Used137
Oppositions12
Arc Total2005-2026
First Observation Used2005-11-30
Last Observation Used2026-01-10
Observations (152)
Date Type RA Dec Mag Band Observatory
2026-01-10 20:21:07 C 02 54 54.041 +02 35 32.89 V M22
2026-01-10 20:23:05 C 02 54 54.233 +02 35 28.86 V M22