Small-Body Radar Database

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 2019-04-27 00:00 TT from MPO463335 (heliocentric ecliptic J2000)
Element Value Units
e 0.6475658
a 2.1122781 AU
i 3.18159 deg
om 245.51151 deg
w 124.13137 deg
ma 59.508 deg
n 0.32105351 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
2012-07-17 12:34:00 0.05364 53.5 90.3
2015-09-15 01:23:00 0.25502 254.5 0.4
2018-12-01 09:26:00 0.08624 86.1 17.5
2021-12-29 15:23:00 0.34635 345.7 0.1

Link to complete Close-Approach Data on SBDB at JPL