2011 UM147

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5356973000 ± 2.00e+00
Semi-major axis (a)2.6636316000 AU ± 3.00e+00
Inclination (i)6.45007000° ± 4.00e+00
Long. of Asc. Node (Ω)250.14360000° ± 5.00e+00
Arg. of Perihelion (ω)63.28146000° ± 6.00e+00
Mean Anomaly (M)119.51583000°
Mean Motion (n)0.2267215700°/day ± 3.83e-01
Perihelion dist (q)1.23673130 AU ± 5.51e+00
Aphelion dist (Q)4.09053190 AU ± 7.04e+00
Orbital Period4.34721620 yr ± 7.34e+00
Physical Parameters
H (abs. magnitude)18.61
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.860″
Uncertainty0
Orbit TypeAmor
MOID0.246232 AU
Observations Used139
Oppositions4
Arc Total2002-2025
First Observation Used
Last Observation Used2025-01-20
Observations (256)
Date Type RA Dec Mag Band Observatory
2025-12-15 05:42:50 C 03 22 34.495 +18 08 33.86 X F52
2025-12-15 06:01:41 C 03 22 34.090 +18 08 34.75 X F52
2025-12-15 06:20:22 C 03 22 33.712 +18 08 35.79 X F52
2025-12-15 06:38:57 C 03 22 33.296 +18 08 36.80 X F52
2025-12-17 13:29:47 C 03 21 35.05 +18 11 37.4 V D29
2025-12-17 13:50:09 C 03 21 34.70 +18 11 38.3 V D29