Asteroid Radar Database
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(2011 UB)
Classification: AMO [NEO]
H:27.5 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2011 Oct Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties

Orbital Elements at Epoch 2022-01-21 00:00 TT from MPO227506 (heliocentric ecliptic J2000)
Element Value Units
e 0.4777104
a 1.9284527 AU
i 1.88546 deg
om 23.0953 deg
w 8.60251 deg
ma 298.42173 deg
n 0.36803624 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
2019-11-21 14:30:00 0.08826 88.1 0.1
2027-12-10 12:23:00 0.30393 303.3 0.0

Link to complete Close-Approach Data on SBDB at JPL