659952 (2021 US11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1953425000 ± 4.62e-07
Semi-major axis (a)1.5596687000 AU ± 3.36e-08
Inclination (i)16.00718000° ± 6.42e-06
Long. of Asc. Node (Ω)149.31435000° ± 2.41e-05
Arg. of Perihelion (ω)47.75937000° ± 6.44e-05
Mean Anomaly (M)244.44744000° ± 1.07e-04
Mean Motion (n)0.5060058500°/day ± 1.64e-08
Perihelion dist (q)1.25499910 AU ± 7.21e-07
Aphelion dist (Q)1.86433830 AU ± 7.22e-07
Orbital Period1.94781870 yr ± 6.30e-08
Physical Parameters
H (abs. magnitude)20.16
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.330″
Uncertainty1
Orbit TypeAmor
MOID0.305212 AU
Observations Used95
Oppositions8
Arc Total2007-2026
First Observation Used
Last Observation Used2026-01-12
Observations (106)
Date Type RA Dec Mag Band Observatory
2024-01-07 06:18:31 C 03 11 42.590 -09 08 44.53 X F52
2024-01-07 06:33:31 C 03 11 42.604 -09 08 34.26 X F52
2024-01-07 06:33:31 C 03 11 42.604 -09 08 34.26 X F52
2026-01-12 05:43:05 C 03 57 17.068 -06 58 55.44 X F51
2026-01-12 06:19:20 C 03 57 16.625 -06 58 27.93 X F51
2026-01-12 06:37:33 C 03 57 16.407 -06 58 14.32 X F51