2011 UT91

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4098766974 ± 1.01e-04
Semi-major axis (a)1.3633215849 AU ± 1.72e-04
Inclination (i)13.56235554° ± 3.09e-03
Long. of Asc. Node (Ω)231.59189598° ± 7.41e-06
Arg. of Perihelion (ω)246.95767718° ± 1.37e-03
Mean Anomaly (M)260.39239760° ± 6.42e-01
Mean Motion (n)0.6191769920°/day ± 1.17e-04
Perihelion dist (q)0.80452784 AU ± 1.71e-04
Aphelion dist (Q)1.92211533 AU ± 2.78e-04
Orbital Period1.59183286 yr ± 3.01e-04
Physical Parameters
H (abs. magnitude)23.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.253″
Uncertainty3
Orbit TypeApollo
MOID0.007883 AU
Observations Used51
Oppositions1
Arc Total2011-2011
First Observation Used2011-10-23
Last Observation Used2011-11-12
Observations (52)
Date Type RA Dec Mag Band Observatory
2011-11-12 18:33:37 C 21 41 33.10 +15 38 37.8 t 204
2011-11-12 18:38:13 C 21 41 27.16 +15 36 54.4 t 204