Asteroid Radar Database
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(2012 HM)
Classification: APO [NEO]
H:24.1 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
2012 Apr Goldstone Goldstone 8560 [G]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO437980 (heliocentric ecliptic J2000)
Element Value Units
e 0.197545
a 1.1752456 AU
i 7.14826 deg
om 39.00921 deg
w 230.23901 deg
ma 40.27997 deg
n 0.77359047 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
2012-04-28 10:06:00 0.00372 3.7 0.0
2012-10-11 10:36:00 0.26585 265.3 0.0
2017-01-24 09:47:00 0.40622 405.4 0.0
2017-09-10 12:25:00 0.33507 334.4 0.0
2021-12-02 23:16:00 0.42017 419.3 0.0
2026-05-18 05:41:00 0.07961 79.5 1.6
2026-09-27 07:32:00 0.21963 219.2 0.1
2031-01-14 05:39:00 0.42556 424.7 0.0
2031-09-15 14:19:00 0.43911 438.2 0.0

Link to complete Close-Approach Data on SBDB at JPL