Small-Body Radar Database

(2011 UB)
Classification: AMO [NEO]
H:27.5 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
2011 Oct Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO227506 (heliocentric ecliptic J2000)
Element Value Units
e 0.4768879
a 1.9272521 AU
i 1.88663 deg
om 23.15251 deg
w 8.52645 deg
ma 290.33631 deg
n 0.36838019 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
2011-10-17 01:26:00 0.01289 12.9 76.3
2019-11-21 13:38:00 0.08803 87.9 0.1
2027-12-10 11:53:00 0.30360 303.0 0.0

Link to complete Close-Approach Data on SBDB at JPL