Minor Planet Radar Database
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(1997 WQ23)
Classification: APO [NEO, PHA]
H:20.7 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
2013 Nov Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2020-05-31 00:00 TT from MPO288398 (heliocentric ecliptic J2000)
Element Value Units
e 0.4948625
a 1.7375645 AU
i 2.44813 deg
om 55.83776 deg
w 296.56744 deg
ma 326.49663 deg
n 0.43032114 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
2013-11-11 21:58:00 0.07874 78.6 32.6
2020-07-02 09:42:00 0.23348 233.0 0.7
2029-11-24 18:27:00 0.27905 278.5 0.4

Link to complete Close-Approach Data on SBDB at JPL