Asteroid Radar Database
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(2003 WH166)
Classification: APO [NEO, PHA]
H:22 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
2012 Apr Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties

Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO232518 (heliocentric ecliptic J2000)
Element Value Units
e 0.5566778
a 1.9381272 AU
i 0.69539 deg
om 185.85815 deg
w 329.11839 deg
ma 163.3374 deg
n 0.365284 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
2012-04-23 07:31:00 0.04863 48.5 37.2
2030-12-15 05:03:00 0.30052 299.9 0.1

Link to complete Close-Approach Data on SBDB at JPL