NEXT SPACEFLIGHT

Status

Success

Cosmos 421

Launch Time
Wed May 19, 1971 10:20 UTC

Rocket

Cosmos-2 (63SM)
Image Credit: OKB-586
RVSN USSR
Status: Retired
Liftoff Thrust: 636 kN
Payload to LEO: 400 kg
Payload to GTO: 0 kg
Stages: 2
Strap-ons: 0
Rocket Height: 29.59 m
Fairing Diameter: 1.65 m
Fairing Height: 2.99 m

Mission Details

Cosmos 421

Cosmos 421 is a satellite of the DS-P1 constellation. The satellites of the latter are used to test different systems for future Soviet military satellites.
It will test mainly new methods of communication with the ground, new radar systems and modes of power supply by nuclear battery.

Payloads: 1
Total Mass: 325.0 kg
Low Earth Orbit

Location

Site 133/3, Plesetsk Cosmodrome, Russia

Stats

1971

48th orbital launch attempt

Cosmos-2I

76th mission
5th mission of 1971
71st successful mission
2nd consecutive successful mission