Minor Planet Radar Database
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(2018 XC4)
Classification: APO [NEO]
H:26.3 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 MPO467277 (heliocentric ecliptic J2000)
Element Value Units
e 0.3105369
a 1.2681889 AU
i 2.17179 deg
om 95.09034 deg
w 52.38727 deg
ma 55.77288 deg
n 0.69012563 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
2016-05-07 21:39:00 0.26433 263.8 0.0
2018-12-21 15:34:00 0.00411 4.1 0.0
2019-06-10 02:06:00 0.39360 392.8 0.0
2026-05-19 03:27:00 0.43465 433.8 0.0
2028-12-16 22:47:00 0.04304 43.0 3.0
2029-06-14 17:35:00 0.41605 415.2 0.0

Link to complete Close-Approach Data on SBDB at JPL