Minor Planet Radar Database
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(2011 JR13)
Classification: APO [NEO, PHA]
H:19.5 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
2014 May Arecibo Arecibo 2380 [A]
2014 May Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO369128 (heliocentric ecliptic J2000)
Element Value Units
e 0.7256734
a 1.2990094 AU
i 24.68721 deg
om 235.11476 deg
w 129.54854 deg
ma 86.30773 deg
n 0.66571086 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
2011-05-28 14:52:00 0.20795 207.5 1.3
2014-05-21 00:41:00 0.05062 50.5 176.5
2017-05-11 13:24:00 0.24689 246.4 0.7
2019-01-24 03:11:00 0.39697 396.2 0.1
2020-05-01 09:09:00 0.46068 459.8 0.1
2022-01-07 21:18:00 0.37423 373.5 0.2
2024-12-15 12:52:00 0.44967 448.8 0.1

Link to complete Close-Approach Data on SBDB at JPL