Minor Planet Radar Database
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143649 (2003 QQ47)
Classification: APO [NEO, PHA]
H:17.4 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
2014 Mar Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2019-04-27 00:00 TT from MPO338230 (heliocentric ecliptic J2000)
Element Value Units
e 0.1869753
a 1.0853699 AU
i 62.09917 deg
om 0.99431 deg
w 104.98149 deg
ma 230.75805 deg
n 0.87164049 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
2012-09-16 18:25:00 0.27960 279.0 1.9
2013-10-03 21:49:00 0.41850 417.7 0.5
2014-03-26 12:36:00 0.12832 128.1 28.2
2021-09-23 23:04:00 0.09851 98.3 70.8
2022-03-10 18:53:00 0.33478 334.1 1.0
2023-04-05 08:57:00 0.37684 376.1 0.7
2029-09-10 10:05:00 0.47334 472.4 0.3

Link to complete Close-Approach Data on SBDB at JPL