Asteroid Radar Database
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531277 (2012 MM11)
Classification: APO [NEO, PHA]
H:20.3 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 Jul Arecibo Arecibo 2380 [A]
2018 Dec Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2024-03-31 00:00 TT from E2023-D55 (heliocentric ecliptic J2000)
Element Value Units
e 0.6479905
a 2.1134378 AU
i 3.18379 deg
om 245.42524 deg
w 124.23786 deg
ma 277.24741 deg
n 0.32078929 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
2015-09-15 01:23:00 0.25502 254.5 0.7
2018-12-01 09:26:00 0.08624 86.1 29.4
2021-12-29 15:23:00 0.34635 345.7 0.2

Link to complete Close-Approach Data on SBDB at JPL