Minor Planet Radar Database
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(2018 XJ1)
Classification: APO [NEO]
H:26.4 mag, G:0.15

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

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO467268 (heliocentric ecliptic J2000)
Element Value Units
e 0.4310834
a 1.7526499 AU
i 5.48901 deg
om 84.02441 deg
w 359.82425 deg
ma 56.26989 deg
n 0.42477733 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
2012-01-05 21:45:00 0.06692 66.8 0.6
2018-12-13 06:00:00 0.01435 14.3 114.3
2025-11-05 21:12:00 0.19946 199.1 0.0

Link to complete Close-Approach Data on SBDB at JPL