VENERA-D

Russian Federal Space Program (2006-2015)

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Venera-D » Scientific payload

 

The baseline Venera-D mission includes the Lander and the Orbiter, the former containing a long-living station.

The Lander will land at the surface of Venus after more than 30 years gap (the last landing on the surface of Venus - VEGA 1-2 - took place in 1985).

The complex of experiments is aimed to measure the light and noble gases and its isotopes abundance, composition, chemistry and microphysics of clouds, PTW, chemical, elemental, mineralogical composition of the surface material, natural radioactive elements, and oxide state of the surface, etc. The proposed set of experiments on the lander includes: GC-MS, PTW (meteo), XRD/XRF, LIDAR, panoramic and microscopic cameras, active gamma spectrometer, Mossbauer spectrometer.

The complex of experiments on the orbiter includes, among the others, several spectrometers in the spectral range from UV to MM, mapping spectrometers, monitoring cameras and the plasma package.

The orbiter is planned to be inserted on the 24 hours polar orbit. The landing site is preliminary chosen as one of the regional plains, selected as the most optimal by safety and scientific interest assessments.

Additional mission elements can include an aerial platform, a larger, separately deployed long-living station and/or a subsatellite in L1/L2 point. The primarily viewed aerial platform concept is that of a balloon with a controlled altitude to provide knowledge on clouds and atmospheric dynamics. The larger long-living station is capable of facilitating a seismometer for several months for unique measurements.
The subsatellite is aimed for joint plasma investigations, simultaneous measurements with plasma instruments on the Orbiter.