Asteroid Radar Database
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(2011 HP)
Classification: APO [NEO]
H:22.2 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
2019 May Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2024-03-31 00:00 TT from MPO781490 (heliocentric ecliptic J2000)
Element Value Units
e 0.4806374
a 1.9196922 AU
i 3.72583 deg
om 229.49547 deg
w 46.28895 deg
ma 286.14377 deg
n 0.37055842 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
2019-05-30 10:48:00 0.03149 31.4 142.9
2027-05-17 11:48:00 0.11439 114.2 1.7

Link to complete Close-Approach Data on SBDB at JPL