1 day / second
0.5 AU
USSR
Organization
The Soviet Space Program was a pioneering spaceflight effort that launched the first satellite, first human, and first space station into orbit, operating from 1955 to 1991 before transitioning into the modern Russian space program.
Spacecraft Missions
Founded
July 22, 1951
Luna 2
1959
Luna 3
1959
Zond 5
1968
Venera 7
1970
Lunokhod 1
1970 - 1971
Mars 3
1971 - 1972
Vega 1
1984 - 1987
Vega 2
1984 - 1987
Dissolved
November 14, 1991
Other Organizations
NASA
ESA
JAXA
CNSA
