Minor Planet Radar Database
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13553 Masaakikoyama (1992 JE)
Classification: AMO [NEO]
H:16.4 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2018 Jul Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties

Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO467830 (heliocentric ecliptic J2000)
Element Value Units
e 0.4639282
a 2.1893355 AU
i 5.87434 deg
om 193.49939 deg
w 109.91656 deg
ma 84.52854 deg
n 0.3042535 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
2018-07-28 01:27:00 0.19994 199.5 47.2

Link to complete Close-Approach Data on SBDB at JPL