2011 UG20

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6867452055 ± 5.76e-07
Semi-major axis (a)1.1242469664 AU ± 5.09e-09
Inclination (i)18.98714463° ± 4.67e-05
Long. of Asc. Node (Ω)205.69084569° ± 1.64e-05
Arg. of Perihelion (ω)305.07921395° ± 5.83e-05
Mean Anomaly (M)245.73623649° ± 3.66e-05
Mean Motion (n)0.8268365946°/day ± 5.61e-09
Perihelion dist (q)0.35217575 AU ± 6.47e-07
Aphelion dist (Q)1.89631818 AU ± 6.47e-07
Orbital Period1.19204482 yr ± 8.09e-09
Physical Parameters
H (abs. magnitude)21.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.452″
Uncertainty0
Orbit TypeApollo
MOID0.005489 AU
Observations Used105
Oppositions1
Arc Total2011-2017
First Observation Used2011-10-18
Last Observation Used2017-10-15
Observations (107)
Date Type RA Dec Mag Band Observatory
2017-10-02 07:29:17 C 03 48 37.19 +36 05 16.0 q G96
2017-10-02 09:08:36 C 03 49 04.79 +36 06 04.1 o 926
2017-10-02 09:16:51 C 03 49 07.00 +36 06 08.2 o 926
2017-10-02 09:27:51 C 03 49 10.10 +36 06 13.3 o 926
2017-10-15 03:08:35 C 08 33 03.70 +19 37 26.0 U 204
2017-10-15 03:17:50 C 08 33 20.49 +19 34 59.2 U 204
2017-10-15 03:27:00 C 08 33 37.14 +19 32 34.1 U 204