2009 WC54

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2314568814 ± 1.27e-06
Semi-major axis (a)0.9019044886 AU ± 4.42e-09
Inclination (i)17.94366345° ± 1.79e-04
Long. of Asc. Node (Ω)244.00643258° ± 9.05e-06
Arg. of Perihelion (ω)358.33160018° ± 1.25e-04
Mean Anomaly (M)57.67737451° ± 1.64e-04
Mean Motion (n)1.1507247488°/day ± 8.46e-09
Perihelion dist (q)0.69315249 AU ± 1.14e-06
Aphelion dist (Q)1.11065649 AU ± 1.14e-06
Orbital Period0.85652654 yr ± 6.30e-09
Physical Parameters
H (abs. magnitude)24.31
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.284″
Uncertainty0
Orbit TypeAten
MOID0.122602 AU
Observations Used53
Oppositions2
Arc Total2009-2021
First Observation Used2009-11-24
Last Observation Used2021-12-02
Observations (58)
Date Type RA Dec Mag Band Observatory
2021-11-30 06:03:16 C 03 49 50.10 +11 54 41.4 V G96
2021-11-30 06:11:17 C 03 49 48.21 +11 53 55.5 V G96
2021-11-30 06:19:18 C 03 49 46.35 +11 53 09.9 V G96
2021-11-30 07:03:24 C 03 49 36.26 +11 49 01.3 o 691
2021-11-30 07:11:53 C 03 49 34.33 +11 48 13.5 o 691
2021-12-02 05:18:41 C 03 40 13.78 +07 33 51.3 V G96
2021-12-02 05:26:07 C 03 40 12.20 +07 33 11.2 V G96
2021-12-02 05:33:35 C 03 40 10.63 +07 32 31.7 V G96