Asteroid Radar Database
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5 Astraea
Classification:  []
H:6.9 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

Orbital Elements at Epoch 2020-05-31 00:00 TT from MPO530953 (heliocentric ecliptic J2000)
Element Value Units
e 0.1909134
a 2.5740373 AU
i 5.36742 deg
om 141.57102 deg
w 358.6484 deg
ma 17.84635 deg
n 0.23866119 deg/d

Link to complete orbital information at Minor Planet Center