Asteroid Radar Database
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140 Siwa
Classification:  []
H:8.52 mag, G:0.15

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History of Radar Detections
Year Month Transmitter Receiver Frequency Obs
2005 Oct Arecibo Arecibo 2380 [A]

Radar-Based Physical Properties
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Orbital Elements at Epoch 2024-03-31 00:00 TT from E2024-EC3 (heliocentric ecliptic J2000)
Element Value Units
e 0.2150834
a 2.7363001 AU
i 3.1864 deg
om 107.10954 deg
w 197.26609 deg
ma 90.42804 deg
n 0.21775016 deg/d

Link to complete orbital information at Minor Planet Center