Minor Planet Radar Database
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(2010 AF40)
Classification: APO [NEO]
H:25 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2010 Jan Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2020-05-31 00:00 TT from MPO170309 (heliocentric ecliptic J2000)
Element Value Units
e 0.4644385
a 1.2378421 AU
i 4.30478 deg
om 119.21802 deg
w 93.20531 deg
ma 143.71154 deg
n 0.71565909 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
2010-01-21 08:34:00 0.00597 6.0 3165.4
2014-05-26 19:29:00 0.31920 318.6 0.0
2014-08-14 11:27:00 0.42105 420.2 0.0
2018-08-20 16:01:00 0.42282 422.0 0.0
2021-02-08 22:07:00 0.19898 198.6 0.0
2025-06-24 00:41:00 0.25106 250.6 0.0

Link to complete Close-Approach Data on SBDB at JPL