Venera 9 [SEP] located on astronomical body
Venera 9
Venera 9 ( meaning "Venus 9"), manufacturer's designation: 4V-1 No. 660, was a Soviet unmanned space mission to Venus. It consisted of an orbiter and a lander. It was launched on June 8, 1975, at 02:38:00 UTC and had a mass of . The orbiter was the first spacecraft to orbit Venus, while the lander was the first to return images from the surface of another planet.
Orbiter.
The orbiter entered Venus orbit on October 20, 1975.
) over the 8 months of mapping operations.
Spacecraft structure.
The Venera 15 and 16 spacecraft were identical and were based on modifications to the orbiter portions of the Venera 9 and Venera 14 probes. Each spacecraft consisted of a long cylinder with a diameter, tall parabolic dish antenna for the synthetic aperture radar (SAR) at one end. A 1-meter diameter parabolic dish antenna for the radio altimeter was also located at this end. The electrical axis of the radio altimeter antenna was lined up with the axis of the