Minor Planet Radar Database
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(2011 XD1)
Classification: APO [NEO]
H:23.9 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2011 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO227508 (heliocentric ecliptic J2000)
Element Value Units
e 0.4533031
a 1.8143889 AU
i 4.19447 deg
om 89.65624 deg
w 27.30949 deg
ma 352.58764 deg
n 0.40328168 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
2011-12-29 00:37:00 0.03304 33.0 38.5

Link to complete Close-Approach Data on SBDB at JPL