Minor Planet Radar Database
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480883 (2001 YE4)
Classification: ATE [NEO, PHA]
H:20.7 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
2002 Jan Arecibo Arecibo 2380 [A]
2012 Jan Arecibo Arecibo 2380 [A]
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 MPO402901 (heliocentric ecliptic J2000)
Element Value Units
e 0.5404434
a 0.6768355 AU
i 4.84524 deg
om 305.492 deg
w 318.83922 deg
ma 265.18563 deg
n 1.77002488 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
2011-12-26 17:09:00 0.06684 66.7 30.0
2012-12-03 18:16:00 0.39722 396.4 0.1
2015-12-27 11:29:00 0.44687 446.0 0.0
2016-12-16 19:11:00 0.08126 81.1 15.3
2017-12-06 15:09:00 0.45968 458.8 0.0
2020-12-29 08:08:00 0.38460 383.8 0.1
2021-12-08 04:23:00 0.07943 79.3 16.5
2026-01-01 02:17:00 0.32042 319.8 0.1
2026-12-01 04:49:00 0.07148 71.3 23.8

Link to complete Close-Approach Data on SBDB at JPL