Minor Planet Radar Database
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308635 (2005 YU55)
Classification: APO [NEO, PHA]
H:21.9 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
2010 Apr Arecibo Arecibo 2380 [A]
2011 Nov Goldstone Goldstone 8560 [G]
2011 Nov Arecibo Arecibo 2380 [A-GBT]
2011 Nov Goldstone Very Long Baseline Array 8560 [G-VLBA]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO437367 (heliocentric ecliptic J2000)
Element Value Units
e 0.4305
a 1.1571051 AU
i 0.34026 deg
om 35.93171 deg
w 273.56013 deg
ma 45.44748 deg
n 0.79185357 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
2010-04-19 12:21:00 0.01519 15.2 19053.5
2011-11-08 23:29:00 0.00217 2.2 0.0
2015-04-08 21:42:00 0.28332 282.8 0.8
2016-11-01 12:27:00 0.12365 123.4 14.8
2020-04-02 10:14:00 0.40958 408.8 0.2
2021-10-03 10:27:00 0.24684 246.4 1.3
2026-09-07 11:56:00 0.31388 313.3 0.6
2026-11-29 05:33:00 0.38150 380.7 0.3

Link to complete Close-Approach Data on SBDB at JPL