Minor Planet Radar Database
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481817 (2008 UL90)
Classification:  [NEO, PHA]
H:18.6 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
2016 Dec Goldstone Goldstone 8560 [G]
2016 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO446828 (heliocentric ecliptic J2000)
Element Value Units
e 0.3798503
a 0.6950486 AU
i 24.30978 deg
om 81.1427 deg
w 183.64235 deg
ma 200.57346 deg
n 1.70090991 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
2009-12-12 04:02:00 0.29006 289.5 0.8
2012-12-17 23:13:00 0.24834 247.8 1.3
2016-12-12 14:53:00 0.03914 39.1 791.1
2020-12-12 14:21:00 0.32506 324.4 0.5
2023-12-18 13:32:00 0.20931 208.9 2.4
2027-12-12 11:57:00 0.08094 80.8 64.5

Link to complete Close-Approach Data on SBDB at JPL