2011 US63

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7804838957 ± 4.93e-07
Semi-major axis (a)3.0198253004 AU ± 4.88e-06
Inclination (i)20.53871385° ± 9.89e-06
Long. of Asc. Node (Ω)250.30583672° ± 6.13e-05
Arg. of Perihelion (ω)242.94779380° ± 6.15e-05
Mean Anomaly (M)222.62593479° ± 2.62e-03
Mean Motion (n)0.1878190100°/day ± 4.56e-07
Perihelion dist (q)0.66290029 AU ± 1.83e-06
Aphelion dist (Q)5.37675032 AU ± 8.82e-06
Orbital Period5.24774507 yr ± 1.27e-05
Physical Parameters
H (abs. magnitude)17.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.273″
Uncertainty1
Orbit TypeApollo
MOID0.065243 AU
Observations Used207
Oppositions1
Arc Total2011-2012
First Observation Used2011-10-21
Last Observation Used2012-06-23
Observations (215)
Date Type RA Dec Mag Band Observatory
2012-05-31 06:34:22 C 16 44 21.42 -22 15 44.7 t H21
2012-05-31 06:44:42 C 16 44 20.54 -22 15 37.2 t H21
2012-05-31 06:54:59 C 16 44 19.60 -22 15 30.0 t H21
2012-06-09 06:42:25 C 16 27 55.29 -19 50 29.6 r G96
2012-06-09 06:54:44 C 16 27 54.39 -19 50 22.3 r G96
2012-06-09 07:07:07 C 16 27 53.49 -19 50 15.0 r G96
2012-06-09 07:19:36 C 16 27 52.70 -19 50 07.4 r G96
2012-06-16 06:07:53 C 16 18 16.38 -18 18 26.7 r G96
2012-06-16 06:16:57 C 16 18 15.94 -18 18 22.9 r G96
2012-06-16 06:26:09 C 16 18 15.44 -18 18 17.8 r G96
2012-06-16 06:35:17 C 16 18 14.97 -18 18 13.5 r G96
2012-06-23 05:54:08 C 16 11 10.53 -17 04 27.9 r G96
2012-06-23 06:03:17 C 16 11 10.17 -17 04 24.5 r G96
2012-06-23 06:12:29 C 16 11 09.85 -17 04 20.7 r G96
2012-06-23 06:21:39 C 16 11 09.52 -17 04 17.7 r G96