Asteroid Radar Database
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152664 (1998 FW4)
Classification: APO [NEO, PHA]
H:19.65 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
2009 Sep Goldstone Goldstone 8560 [G]
2009 Sep Arecibo Arecibo 2380 [A]
2013 Sep Goldstone Goldstone 8560 [G]
2013 Sep Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO637809 (heliocentric ecliptic J2000)
Element Value Units
e 0.7138625
a 2.5275694 AU
i 3.42301 deg
om 353.68063 deg
w 85.37574 deg
ma 329.45469 deg
n 0.24527283 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
2013-09-24 18:21:00 0.04500 44.9 500.7
2017-09-16 23:50:00 0.17580 175.5 4.4
2021-09-23 18:50:00 0.11505 114.8 19.4
2025-09-29 18:59:00 0.02575 25.7 3360.6
2029-09-30 00:23:00 0.02614 26.1 3193.8

Link to complete Close-Approach Data on SBDB at JPL