2011 UJ20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2354146989 ± 8.26e-03
Semi-major axis (a)1.5001725739 AU ± 1.44e-03
Inclination (i)9.21429854° ± 6.76e-01
Long. of Asc. Node (Ω)200.45475162° ± 4.74e-01
Arg. of Perihelion (ω)141.48879872° ± 1.07e+01
Mean Anomaly (M)263.16850084° ± 1.08e+01
Mean Motion (n)0.5364212000°/day ± 7.73e-04
Perihelion dist (q)1.14673840 AU ± 1.24e-02
Aphelion dist (Q)1.85354360 AU ± 1.25e-02
Orbital Period1.83737630 yr ± 2.65e-03
Physical Parameters
H (abs. magnitude)23.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.251″
Uncertainty4
Orbit TypeAmor
MOID0.163634 AU
Observations Used8
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-10-20
Observations (8)
Date Type RA Dec Mag Band Observatory
2011-10-18 03:53:36 C 22 58 07.03 -03 25 24.7 r G96
2011-10-18 04:01:15 C 22 58 07.93 -03 25 33.2 r G96
2011-10-18 04:08:46 C 22 58 08.90 -03 25 41.6 r G96
2011-10-18 04:16:14 C 22 58 09.80 -03 25 50.0 r G96
2011-10-20 05:34:29 C 23 04 37.66 -04 17 01.3 r G96
2011-10-20 05:42:29 C 23 04 38.64 -04 17 09.6 r G96
2011-10-20 05:50:21 C 23 04 39.61 -04 17 17.2 r G96
2011-10-20 05:58:23 C 23 04 40.58 -04 17 24.9 r G96