2011 WU4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5193386000 ± 2.00e+00
Semi-major axis (a)1.9396372000 AU ± 3.00e+00
Inclination (i)6.27440000° ± 4.00e+00
Long. of Asc. Node (Ω)31.00517000° ± 5.00e+00
Arg. of Perihelion (ω)86.50075000° ± 6.00e+00
Mean Anomaly (M)48.22154000° ± 1.09e+05
Mean Motion (n)0.3648575400°/day ± 8.46e-01
Perihelion dist (q)0.93230870 AU ± 4.14e+00
Aphelion dist (Q)2.94696570 AU ± 5.99e+00
Orbital Period2.70134940 yr ± 6.27e+00
Physical Parameters
H (abs. magnitude)22.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.350″
Uncertainty6
Orbit TypeApollo
MOID0.083838 AU
Observations Used56
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-12-10
Observations (59)
Date Type RA Dec Mag Band Observatory
2011-11-26 00:54:46 C 03 12 14.54 +52 20 18.5 r 203
2011-11-26 01:32:54 C 03 12 11.97 +52 23 51.1 r 203
2011-11-30 05:51:40 C 03 05 28.55 +63 19 40.5 u H36
2011-11-30 06:02:17 C 03 05 27.13 +63 20 58.0 u H36
2011-11-30 22:12:12 C 03 03 46.96 +65 22 40.9 u B67
2011-11-30 22:17:36 C 03 03 46.00 +65 23 22.4 u B67
2011-11-30 22:22:51 C 03 03 45.22 +65 24 02.4 u B67
2011-12-10 18:08:37 C 15 55 43.69 +78 06 23.4 t 204
2011-12-10 18:40:52 C 15 55 28.61 +78 01 04.5 t 204