Minor Planet Radar Database
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(2003 WH166)
Classification: APO [NEO, PHA]
H:22 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2012 Apr Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties

Orbital Elements at Epoch 2020-05-31 00:00 TT from MPO232518 (heliocentric ecliptic J2000)
Element Value Units
e 0.5563254
a 1.9370149 AU
i 0.69255 deg
om 186.15586 deg
w 328.73665 deg
ma 17.37947 deg
n 0.36559868 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

Link to complete Close-Approach Data on SBDB at JPL