Asteroid Radar Database
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5 Astraea
Classification:  []
H:6.99 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
1983 Feb Arecibo Arecibo 2380 [A]
1987 Feb Arecibo Arecibo 2380 [A]
2012 Mar Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2021-07-05 00:00 TT from MPO636060 (heliocentric ecliptic J2000)
Element Value Units
e 0.1906142
a 2.5739256 AU
i 5.36759 deg
om 141.57079 deg
w 358.66063 deg
ma 113.334 deg
n 0.23867673 deg/d

Link to complete orbital information at Minor Planet Center