Minor Planet Radar Database
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(2003 EP4)
Classification: APO [NEO]
H:23.9 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2003 Mar Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO 50748 (heliocentric ecliptic J2000)
Element Value Units
e 0.6446911
a 1.3597366 AU
i 0.51051 deg
om 212.51164 deg
w 66.27201 deg
ma 30.2975 deg
n 0.62161557 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
2009-10-23 09:44:00 0.06630 66.2 3.5
2011-02-19 17:33:00 0.44444 443.6 0.0
2014-05-21 18:12:00 0.47869 477.7 0.0
2017-09-08 17:21:00 0.38218 381.4 0.0
2022-03-18 14:27:00 0.15230 152.0 0.2
2028-10-30 07:53:00 0.22426 223.8 0.1

Link to complete Close-Approach Data on SBDB at JPL