Asteroid Radar Database
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(2012 TC4)
Classification: APO [NEO]
H:26.7 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
2017 Oct Goldstone Goldstone 8560 [G]
2017 Oct Goldstone Goldstone DSS-13 8560 [G-DSS13]
2017 Oct Goldstone DSS-13 Green Bank Telescope 7190 [DSS13-GBT]
2017 Oct Goldstone Very Long Baseline Array 8560 [G-VLBA]
2017 Oct Canberra DSS-36 Australian Telescope Compact Array 7159 [DSS36-ATCA]
2017 Oct Xianjing [?-X]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO423771 (heliocentric ecliptic J2000)
Element Value Units
e 0.4037532
a 1.6203139 AU
i 0.5349 deg
om 19.71137 deg
w 26.52781 deg
ma 280.00341 deg
n 0.47786513 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
2012-10-12 05:30:00 0.00063 0.6 0.0
2017-10-12 05:42:00 0.00034 0.3 0.0
2019-08-28 15:57:00 0.46064 459.7 0.0
2019-12-29 09:43:00 0.23040 229.9 0.0

Link to complete Close-Approach Data on SBDB at JPL