Asteroid Radar Database
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(2011 WS74)
Classification: ATE [NEO]
H:23.9 mag, G:0.15

  MPC page for this object   |  JPL SBDB page for this object   |  NEODyS-2 page for this object   |  ESA SSA page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2011 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO227507 (heliocentric ecliptic J2000)
Element Value Units
e 0.3534487
a 0.9772864 AU
i 13.68747 deg
om 67.50898 deg
w 118.28793 deg
ma 275.37247 deg
n 1.02016704 deg/d

Link to complete orbital information at Minor Planet Center

Earth Close-Approach Data (+/- 10 years)
date nominal distance RTT SNR/run at Arecibo
2011-12-04 01:52:00 0.02905 29.0 59.6
2012-11-25 13:15:00 0.23502 234.6 0.0
2013-11-15 05:59:00 0.48723 486.3 0.0
2030-08-04 14:25:00 0.41947 418.6 0.0
2031-07-24 01:54:00 0.24784 247.3 0.0

Link to complete Close-Approach Data on SBDB at JPL