Minor Planet Radar Database
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(2012 DH54)
Classification: ATE [NEO]
H:27.5 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2012 Mar Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO227524 (heliocentric ecliptic J2000)
Element Value Units
e 0.146302
a 0.9361322 AU
i 3.30846 deg
om 162.27228 deg
w 131.02624 deg
ma 204.34528 deg
n 1.08817384 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
2010-11-21 15:32:00 0.26703 266.5 0.0
2011-08-12 06:05:00 0.20735 206.9 0.0
2012-03-10 09:05:00 0.00854 8.5 265.0
2020-11-12 08:43:00 0.05926 59.1 0.5
2021-06-26 11:41:00 0.21682 216.4 0.0
2022-03-08 19:07:00 0.20900 208.6 0.0

Link to complete Close-Approach Data on SBDB at JPL