2011 WS74

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3530016000
Semi-major axis (a)0.9763904000 AU
Inclination (i)13.69364000°
Long. of Asc. Node (Ω)67.47523000°
Arg. of Perihelion (ω)118.22154000°
Mean Anomaly (M)108.37936000°
Mean Motion (n)1.0215716900°/day
Perihelion dist (q)0.63172300 AU
Aphelion dist (Q)1.32105780 AU
Orbital Period0.96479550 yr
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.620″
Uncertainty4
Orbit TypeAten
MOID0.020755 AU
Observations Used87
Radar Obs Used5
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-12-10
Observations (88)
Date Type RA Dec Mag Band Observatory
2011-11-30 03:17:25 C 03 15 25.39 +12 38 58.2 c 854
2011-11-30 03:17:59 C 03 15 24.75 +12 39 02.5 c 854
2011-11-30 03:18:33 C 03 15 24.05 +12 39 07.6 c 854
2011-11-30 03:20:36 C 03 15 20.92 +12 39 18.5 o H01
2011-11-30 03:33:10 C 03 15 06.25 +12 40 58.0 o H01
2011-11-30 04:41:58 C 03 13 45.86 +12 50 10.2 o 291
2011-11-30 04:42:23 C 03 13 45.39 +12 50 13.4 o 291
2011-11-30 04:42:48 C 03 13 44.91 +12 50 16.7 o 291
2011-11-30 04:50:17 C 03 13 35.95 +12 51 16.2 o 291
2011-11-30 04:50:42 C 03 13 35.45 +12 51 19.5 o 291
2011-11-30 04:51:05 C 03 13 34.98 +12 51 22.6 o 291
2011-11-30 17:43:03 C 02 57 51.95 +14 37 02.0 u C73
2011-11-30 17:47:04 C 02 57 46.46 +14 37 37.7 u C73
2011-11-30 17:51:06 C 02 57 41.05 +14 38 12.7 u C73
2011-11-30 19:35:37 C 02 55 22.68 +14 53 26.0 u I93
2011-11-30 19:45:32 C 02 55 08.99 +14 54 53.9 u I93
2011-11-30 19:56:09 C 02 54 54.26 +14 56 28.3 u I93
2011-12-01 03:47:32 C 02 43 45.58 +16 07 38.1 o H21
2011-12-01 03:49:03 C 02 43 43.28 +16 07 52.0 o H21
2011-12-01 03:50:36 C 02 43 40.88 +16 08 06.5 o H21
2011-12-01 03:55:07 C 02 43 34.00 +16 08 48.1 o H21
2011-12-01 03:56:24 C 02 43 32.04 +16 08 59.8 o H21
2011-12-01 03:57:42 C 02 43 30.07 +16 09 11.8 o H21
2011-12-02 00:27:08 C 02 10 03.09 +19 25 38.4 u I15
2011-12-02 00:29:57 C 02 09 57.86 +19 26 05.9 u I15
2011-12-02 00:32:44 C 02 09 52.58 +19 26 34.9 u I15
2011-12-02 04:29:01 C 02 02 33.15 +20 05 48.8 o G56
2011-12-02 04:33:21 C 02 02 24.76 +20 06 30.5 o G56
2011-12-02 04:37:14 C 02 02 17.17 +20 07 10.7 o G56
2011-12-02 05:16:05 C 02 00 52.29 +20 13 18.5 o H21
2011-12-02 05:19:09 C 02 00 46.28 +20 13 48.2 o H21
2011-12-02 05:19:55 C 02 00 44.79 +20 13 55.6 o H21
2011-12-02 05:22:13 C 02 00 40.28 +20 14 17.9 o H21
2011-12-02 05:24:36 C 02 00 35.63 +20 14 41.0 o H21
2011-12-02 05:25:24 C 02 00 34.05 +20 14 48.9 o H21
2011-12-05 20:38:43 C 22 37 55.48 +28 19 28.3 u J95
2011-12-05 20:54:44 C 22 37 19.99 +28 19 10.1 u J95
2011-12-05 21:09:00 C 22 36 48.57 +28 18 53.9 u J95
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-12-09 20:40:00 -152787.7599 0.5 Hz 2380 -1 -1
2011-12-09 20:51:00 48961402.42 8 us 2380 -1 -1
2011-12-09 20:54:00 48972992.52 0.3 us 2380 -1 -1
2011-12-10 20:25:00 -160704.4893 0.4 Hz 2380 -1 -1
2011-12-10 20:34:00 54526540.96 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)