528857 (2009 CT)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6384739730 ± 1.81e-08
Semi-major axis (a)1.8565175515 AU ± 4.07e-09
Inclination (i)3.84536942° ± 2.62e-06
Long. of Asc. Node (Ω)275.62223576° ± 7.51e-05
Arg. of Perihelion (ω)337.89982050° ± 7.62e-05
Mean Anomaly (M)202.06590146° ± 7.94e-06
Mean Motion (n)0.3896401367°/day ± 1.28e-09
Perihelion dist (q)0.67117941 AU ± 3.36e-08
Aphelion dist (Q)3.04185569 AU ± 3.42e-08
Orbital Period2.52958099 yr ± 8.31e-09
Physical Parameters
H (abs. magnitude)19.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.290″
Uncertainty0
Orbit TypeApollo
MOID0.058609 AU
Observations Used237
Oppositions9
Arc Total2009-2024
First Observation Used2009-02-03
Last Observation Used2024-10-24
Observations (252)
Date Type RA Dec Mag Band Observatory
2024-10-24 03:42:37 C 00 08 26.113 +09 44 28.50 V G96
2024-10-24 03:51:30 C 00 08 25.789 +09 44 23.86 V G96