Asteroid Radar Database
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140 Siwa
Classification:  []
H:8.45 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 2022-01-21 00:00 TT from E2022-B04 (heliocentric ecliptic J2000)
Element Value Units
e 0.2141303
a 2.7341227 AU
i 3.1853 deg
om 107.17179 deg
w 196.94795 deg
ma 276.34435 deg
n 0.21801033 deg/d

Link to complete orbital information at Minor Planet Center