Asteroid Radar Database
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(2010 GU21)
Classification: APO [NEO, PHA]
H:21.14 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 2024-03-31 00:00 TT from MPO750185 (heliocentric ecliptic J2000)
Element Value Units
e 0.5629632
a 2.1824197 AU
i 3.18725 deg
om 57.19543 deg
w 201.07476 deg
ma 106.72188 deg
n 0.30570086 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
2026-08-15 14:05:00 0.34444 343.8 0.3

Link to complete Close-Approach Data on SBDB at JPL