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
2011-12-11 01:50:02 C 22 50 10.23 +10 06 17.7 o H21
2011-12-11 01:56:51 C 22 50 10.28 +10 06 07.6 o H21
2011-12-11 02:03:40 C 22 50 10.34 +10 05 56.9 o H21
2011-12-12 00:38:49 C 22 50 29.92 +09 30 23.3 o H21
2011-12-12 00:42:38 C 22 50 29.97 +09 30 17.3 o H21
2011-12-12 00:53:18 C 22 50 30.09 +09 30 00.9 o H21
2011-12-16 23:44:14 C 22 52 45.34 +06 19 04.7 o H21
2011-12-16 23:50:24 C 22 52 45.47 +06 18 55.0 o H21
2011-12-17 00:02:26 C 22 52 45.72 +06 18 35.5 o H21
2011-12-17 00:10:47 C 22 52 45.88 +06 18 21.9 o H21
2011-12-25 02:18:55 C 22 57 57.38 +00 44 34.7 r G96
2011-12-25 02:27:15 C 22 57 57.63 +00 44 19.1 r G96
2011-12-25 02:35:34 C 22 57 57.85 +00 44 04.3 r G96
2011-12-25 02:43:54 C 22 57 58.06 +00 43 49.4 r G96
2012-01-01 00:01:13 C 23 02 54.84 -04 38 31.3 o H21
2012-01-01 00:05:44 C 23 02 54.95 -04 38 41.0 o H21
2012-01-01 00:10:06 C 23 02 55.09 -04 38 50.1 o H21
2012-01-04 00:09:43 C 23 04 50.65 -07 16 03.7 o H21
2012-01-04 00:13:34 C 23 04 50.71 -07 16 12.3 o H21
2012-01-04 00:17:23 C 23 04 50.80 -07 16 21.0 o H21
2012-01-04 00:21:11 C 23 04 50.90 -07 16 29.7 o H21
2012-01-04 00:25:30 C 23 04 50.97 -07 16 39.6 o H21
2012-02-29 18:29:13 C 19 46 01.74 -49 52 21.1 r E12
2012-02-29 18:36:33 C 19 46 00.94 -49 52 16.0 r E12
2012-03-10 07:50:27 C 19 28 17.85 -46 47 46.8 o 807
2012-03-10 08:00:20 C 19 28 17.27 -46 47 39.1 o 807
2012-03-10 08:14:02 C 19 28 16.45 -46 47 28.8 o 807
2012-03-10 08:24:56 C 19 28 15.83 -46 47 20.4 o 807
2012-03-19 09:30:06 C 19 17 44.82 -43 58 02.3 o 807
2012-03-19 09:35:54 C 19 17 44.51 -43 57 58.2 o 807
2012-03-19 09:41:43 C 19 17 44.25 -43 57 53.9 o 807
2012-03-19 09:47:30 C 19 17 44.00 -43 57 49.5 o 807
2012-03-30 09:38:19 C 19 05 25.62 -40 50 09.1 o 807
2012-03-30 09:46:56 C 19 05 25.13 -40 50 03.4 o 807
2012-03-30 09:55:35 C 19 05 24.65 -40 49 57.5 o 807
2012-03-30 10:03:02 C 19 05 24.24 -40 49 52.5 o 807
2012-04-08 05:19:38 C 18 52 49.76 -38 28 41.3 o 807
2012-04-08 05:37:36 C 18 52 48.56 -38 28 29.9 o 807
2012-04-08 05:55:37 C 18 52 47.32 -38 28 18.3 o 807
2012-04-17 10:02:56 C 18 35 40.50 -36 01 26.4 o 807
2012-04-17 10:11:52 C 18 35 39.69 -36 01 20.2 o 807
2012-04-18 08:47:53 C 18 33 39.67 -35 45 53.7 o 807
2012-04-18 09:01:15 C 18 33 38.44 -35 45 44.1 o 807
2012-04-18 09:15:01 C 18 33 37.12 -35 45 35.1 o 807
2012-04-18 09:25:24 C 18 33 36.13 -35 45 27.9 o 807
2012-05-16 10:09:17 C 17 20 20.57 -27 01 54.4 o 807
2012-05-16 10:18:46 C 17 20 19.52 -27 01 46.4 o 807
2012-05-28 08:33:43 C 16 50 37.95 -23 08 25.8 u 448
2012-05-28 08:52:03 C 16 50 36.26 -23 08 10.9 u 448
2012-05-28 09:07:24 C 16 50 34.81 -23 07 59.2 u 448