Minor Planet Radar Database
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(2018 DH1)
Classification: APO [NEO, PHA]
H:21.1 mag, G:0.15

  MPC page for this object   |  JPL SBDB page for this object   |  NEODyS-2 page for this object   |  ESA SSA page for this object  

History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2018 Mar Arecibo Arecibo 2380 [A]
2018 Mar Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO473495 (heliocentric ecliptic J2000)
Element Value Units
e 0.6031508
a 2.0955305 AU
i 1.96818 deg
om 146.10697 deg
w 97.43165 deg
ma 115.78799 deg
n 0.32491002 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
2012-02-27 15:50:00 0.47048 469.5 0.0
2015-03-11 15:21:00 0.24499 244.5 0.3
2018-03-27 10:18:00 0.02357 23.5 907.2
2021-04-30 14:22:00 0.15719 156.9 1.3
2024-06-08 22:37:00 0.17783 177.5 0.8
2027-07-18 21:17:00 0.05678 56.7 45.0

Link to complete Close-Approach Data on SBDB at JPL