2011 WQ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4701129305 ± 2.00e+00
Semi-major axis (a)1.8071009137 AU ± 3.00e+00
Inclination (i)0.19405344° ± 4.00e+00
Long. of Asc. Node (Ω)207.63742539° ± 5.00e+00
Arg. of Perihelion (ω)238.71042048° ± 6.00e+00
Mean Anomaly (M)265.82536041° ± 5.30e-02
Mean Motion (n)0.4057279900°/day ± 1.01e+00
Perihelion dist (q)0.95755970 AU ± 3.95e+00
Aphelion dist (Q)2.65661710 AU ± 5.70e+00
Orbital Period2.42923260 yr ± 6.05e+00
Physical Parameters
H (abs. magnitude)27.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.471″
Uncertainty2
Orbit TypeApollo
MOID0.001815 AU
Observations Used51
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-11-24
Observations (58)
Date Type RA Dec Mag Band Observatory
2011-11-23 02:12:21 C 09 40 15.80 -01 26 02.4 u J95
2011-11-23 02:26:05 C 09 41 11.02 -01 27 37.5 u J95
2011-11-23 02:40:19 C 09 42 07.63 -01 29 15.8 u J95
2011-11-23 04:09:57 C 09 47 51.03 -01 39 10.2 u J95
2011-11-23 04:16:58 C 09 48 16.97 -01 39 56.5 u J95
2011-11-24 14:10:33 C 11 07 46.518 -03 35 49.62 o 568
2011-11-24 14:12:58 C 11 07 49.459 -03 35 54.69 o 568
2011-11-24 14:15:19 C 11 07 52.335 -03 35 59.55 o 568