UR-500 | Proton 3a

Failure

UR-500 | Proton 3a

The N-4 series of satellites, a.k.a. Proton-1, carried instruments to study super-high energy cosmic particles.

Mission type: Astrophysics · Orbit: Low Earth Orbit

Rocket: UR-500 · Provider: Soviet Space Program

Launch pad

81/23 (81L), Baikonur Cosmodrome, Republic of Kazakhstan · View on map (opens in new tab)