Minor Planet Radar Database
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(2014 SM143)
Classification: APO [NEO, PHA]
H:20.3 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2014 Oct Goldstone Goldstone 8560 [G]
2014 Oct Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO460975 (heliocentric ecliptic J2000)
Element Value Units
e 0.4226153
a 1.2056668 AU
i 24.21354 deg
om 28.84941 deg
w 89.58889 deg
ma 104.75468 deg
n 0.74449727 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
2010-10-27 01:03:00 0.11067 110.4 5.8
2014-10-20 18:34:00 0.02883 28.8 603.1
2018-10-13 00:28:00 0.19925 198.9 0.8
2022-10-05 00:14:00 0.37209 371.3 0.1
2028-05-06 22:46:00 0.37445 373.7 0.1

Link to complete Close-Approach Data on SBDB at JPL