2011 WP4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4143080000
Semi-major axis (a)1.3589968000 AU
Inclination (i)0.95158000°
Long. of Asc. Node (Ω)227.55938000°
Arg. of Perihelion (ω)264.00388000°
Mean Anomaly (M)265.50224000°
Mean Motion (n)0.6221232200°/day
Perihelion dist (q)0.79595360 AU
Aphelion dist (Q)1.92204000 AU
Orbital Period1.58426440 yr
Physical Parameters
H (abs. magnitude)27.15
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.740″
Uncertainty7
Orbit TypeApollo
MOID0.003837 AU
Observations Used59
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-11-23
Observations (60)
Date Type RA Dec Mag Band Observatory
2011-11-15 09:08:17 C 03 17 06.69 +17 32 15.2 V G96
2011-11-15 09:18:19 C 03 17 06.47 +17 32 03.7 V G96
2011-11-18 06:24:33 C 03 18 51.26 +15 44 06.7 r G96
2011-11-18 06:36:06 C 03 18 51.01 +15 43 40.3 r G96
2011-11-18 06:47:45 C 03 18 50.72 +15 43 13.9 r G96
2011-11-18 06:59:18 C 03 18 50.43 +15 42 47.0 r G96
2011-11-18 07:58:38 C 03 18 44.96 +15 39 50.9 r H21
2011-11-18 08:05:00 C 03 18 44.93 +15 39 34.6 r H21
2011-11-18 08:10:39 C 03 18 44.99 +15 39 21.3 r H21
2011-11-18 09:44:53 C 03 18 47.28 +15 36 03.9 o 291
2011-11-18 09:47:04 C 03 18 47.25 +15 35 57.8 o 291
2011-11-18 10:21:41 C 03 18 46.98 +15 34 28.0 o 291
2011-11-18 10:23:42 C 03 18 47.05 +15 34 22.5 o 291
2011-11-18 10:25:42 C 03 18 47.05 +15 34 17.6 o 291
2011-11-18 22:13:17 C 03 19 30.31 +15 02 27.6 u I93
2011-11-18 22:43:49 C 03 19 30.03 +15 01 00.6 u I93
2011-11-18 22:44:30 C 03 19 29.94 +15 00 32.4 u J95
2011-11-18 22:56:48 C 03 19 29.93 +14 59 57.3 u J95
2011-11-18 23:14:21 C 03 19 29.62 +14 59 32.0 u I93
2011-11-19 03:50:47 C 03 19 28.82 +14 45 04.9 v 586
2011-11-19 03:56:56 C 03 19 28.94 +14 44 47.4 v 586
2011-11-19 04:00:59 C 03 19 29.02 +14 44 32.3 v 586
2011-11-21 05:54:14 C 03 23 19.94 +10 32 09.1 o 807
2011-11-21 06:02:29 C 03 23 20.09 +10 30 56.8 o 807
2011-11-21 06:10:09 C 03 23 20.25 +10 29 49.8 o 807
2011-11-21 21:29:35 C 03 26 05.81 +07 33 12.7 r A17
2011-11-21 21:40:57 C 03 26 06.89 +07 30 38.4 r A17
2011-11-21 21:49:22 C 03 26 07.68 +07 28 43.8 r A17
2011-11-21 23:46:45 C 03 26 22.05 +07 01 48.8 v 586
2011-11-21 23:48:21 C 03 26 22.18 +07 01 24.7 v 586
2011-11-21 23:49:37 C 03 26 22.23 +07 01 07.6 v 586
2011-11-21 23:50:53 C 03 26 22.33 +07 00 48.7 v 586
2011-11-21 23:51:50 C 03 26 22.47 +07 00 35.0 v 586
2011-11-21 23:52:47 C 03 26 22.54 +07 00 20.2 v 586
2011-11-22 03:05:53 C 03 27 18.26 +06 22 29.3 o 807
2011-11-22 03:08:02 C 03 27 18.45 +06 21 54.1 o 807
2011-11-22 03:10:22 C 03 27 18.64 +06 21 16.3 o 807
2011-11-22 03:18:21 C 03 27 19.31 +06 19 06.7 o 807
2011-11-22 03:24:32 C 03 27 19.80 +06 17 26.0 o 807
2011-11-22 03:30:42 C 03 27 20.32 +06 15 45.0 o 807
2011-11-22 03:33:49 C 03 27 20.57 +06 14 53.8 o 807
2011-11-22 03:36:29 C 03 27 41.45 +06 03 15.4 o G48
2011-11-22 03:37:15 C 03 27 41.56 +06 03 01.7 o G48
2011-11-22 03:38:49 C 03 27 41.83 +06 02 36.3 o G48
2011-11-22 21:26:29 C 03 33 41.01 -01 14 05.3 u J95
2011-11-22 21:31:24 C 03 33 42.81 -01 16 59.6 u J95
2011-11-22 21:35:36 C 03 33 44.31 -01 19 28.2 u J95
2011-11-22 21:40:25 C 03 33 46.06 -01 22 20.2 u J95
2011-11-22 21:44:39 C 03 33 47.58 -01 24 51.2 u J95
2011-11-23 02:26:55 C 03 35 31.62 -04 34 06.9 t 204