Minor Planet Radar Database
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(2010 GU21)
Classification: APO [NEO, PHA]
H:21.1 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2010 May Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO466320 (heliocentric ecliptic J2000)
Element Value Units
e 0.5634085
a 2.1798102 AU
i 3.18957 deg
om 57.20796 deg
w 200.99596 deg
ma 275.83525 deg
n 0.30624996 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
2010-05-05 03:04:00 0.02053 20.5 4977.4
2026-08-15 14:08:00 0.34447 343.8 0.3

Link to complete Close-Approach Data on SBDB at JPL