Asteroid Radar Database
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(2005 HB4)
Classification: AMO [NEO]
H:24.4 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
2005 May Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO221047 (heliocentric ecliptic J2000)
Element Value Units
e 0.2282856
a 1.3552662 AU
i 2.52694 deg
om 83.82012 deg
w 153.27858 deg
ma 81.86887 deg
n 0.62469374 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
2016-03-13 14:38:00 0.28418 283.6 0.0
2016-06-27 09:53:00 0.23140 230.9 0.0
2024-04-04 13:46:00 0.44972 448.8 0.0
2024-08-28 19:13:00 0.40823 407.4 0.0
2027-02-05 23:01:00 0.42952 428.7 0.0
2027-07-13 14:18:00 0.49493 493.9 0.0

Link to complete Close-Approach Data on SBDB at JPL