2011 UD

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7787909000
Semi-major axis (a)2.0386355000 AU
Inclination (i)8.85014000°
Long. of Asc. Node (Ω)357.12721000°
Arg. of Perihelion (ω)147.04273000°
Mean Anomaly (M)283.83934000°
Mean Motion (n)0.3386060300°/day
Perihelion dist (q)0.45096470 AU
Aphelion dist (Q)3.62630630 AU
Orbital Period2.91077990 yr
Physical Parameters
H (abs. magnitude)20.70
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.400″
Uncertainty7
Orbit TypeApollo
MOID0.103603 AU
Observations Used107
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-11-02
Observations (120)
Date Type RA Dec Mag Band Observatory
2011-10-25 23:43:32 C 00 07 36.51 +32 45 33.1 u I15
2011-10-25 23:47:57 C 00 07 34.19 +32 45 40.5 u I15
2011-10-26 05:08:54 C 00 04 43.04 +32 54 02.5 o G56
2011-10-26 05:14:41 C 00 04 39.86 +32 54 11.4 o G56
2011-10-26 05:20:29 C 00 04 36.65 +32 54 18.9 o G56
2011-10-27 16:50:25 C 23 44 01.63 +33 45 42.0 u C73
2011-10-27 16:52:47 C 23 44 00.18 +33 45 45.5 u C73
2011-10-27 16:55:09 C 23 43 58.69 +33 45 48.8 u C73
2011-10-27 16:57:33 C 23 43 57.09 +33 45 52.5 u C73
2011-10-27 17:00:02 C 23 43 55.56 +33 45 56.0 u C73
2011-10-27 17:02:42 C 23 43 53.86 +33 45 58.2 u C73
2011-10-27 17:05:07 C 23 43 52.25 +33 46 02.4 u C73
2011-10-27 17:07:56 C 23 43 50.45 +33 46 06.9 u C73
2011-10-31 23:42:02 C 22 24 33.19 +34 55 13.0 o H21
2011-10-31 23:46:04 C 22 24 29.45 +34 55 11.9 o H21
2011-10-31 23:48:54 C 22 24 26.82 +34 55 11.0 o H21
2011-11-02 00:25:56 C 22 01 09.96 +34 38 00.1 o H21
2011-11-02 00:29:06 C 22 01 06.84 +34 37 57.0 o H21
2011-11-02 00:32:49 C 22 01 03.16 +34 37 52.9 o H21
2011-11-02 00:37:26 C 22 00 58.60 +34 37 47.9 o H21