missions to mars
Marsnik 1 and 2
Korable 4 and 5
Mars 1960A and 1960B
Country of origin: USSR
Launch date: October 10, 1960
On orbit empty mass: 650 kg
Launch date: October 14, 1960
On orbit empty mass: 640 kg
The launch of Marsnik 1 was unsuccessful.  The launch of Marsnik 2 failed when the third stage turbo pumps were not able to generate enough fuel pressure.  As a result, the third stage failed to ignite and the rocket was unable to obtain an Earth parking orbit.  The vehicle reached a maximum altitude of 120 km before falling back to Earth resulting in the loss of the vehicle. 
More detailed information is available on the NASA Database at:

 Information and photos courtesy of NASA
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Page last updated on September 11, 2007