Asteroid Radar Database
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13553 Masaakikoyama (1992 JE)
Classification: AMO [NEO]
H:16.54 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
2018 Jul Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-E73 (heliocentric ecliptic J2000)
Element Value Units
e 0.4637273
a 2.1891346 AU
i 5.87646 deg
om 193.46328 deg
w 109.96248 deg
ma 272.32249 deg
n 0.30429538 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 42.9
2031-07-22 01:02:00 0.35584 355.1 5.7

Link to complete Close-Approach Data on SBDB at JPL