Mission Type: Lander, Orbiter Launch Vehicle: Proton booster
plus upper stage and escape stages; 8K82K + Blok D (Proton-K no.
255-01) Launch Site: Tyuratam (Baikonur Cosmodrome), USSR;
NIIP-5 / launch site 81P Spacecraft Mass: Orbiter/bus and
descent module: about 4650 kg at launch (orbiter/bus: 3440 kg,
descent module/lander: 1210 kg) Spacecraft Instruments: Orbiter:
1) three-component magnetometer; 2) infrared radiometer; 3)
radiotelescope; 4) infrared photometer/CO2 absorption strips; 5)
ultraviolet photometer; 6) imaging system (two cameras); 7)
photometer in visible part of electromagnetic spectrum; 8)
cosmic-ray particle detector; 9) energy spectrometer; 10)
spectrometer to determine water vapor; and 11) Stereo antenna
Lander: 1) gamma-ray spectrometer; 2) x-ray spectrometer; 3)
thermometer; 4) wind velocity recorder; 5) barometer; 6) imaging
system (two cameras); 7) penetrometer (on mobile PROP-M); and 8)
gamma-ray densitometer (on PROP-M) Spacecraft Dimensions:
Combined orbiter/bus and descent module: