Kosmos 521 (DS-P1-M 6)

Military/Government

LAUNCH WINDOW

29 Sep 1972

08:19 PM UTC

Drawing of a calendar and a clock

ORBIT

LEO

a path of a rocket

LAUNCH SITE

Plesetsk

Arkhangelsk Oblast, Russia

VEHICLE

Kosmos-3M

Operated by: Roscosmos

Drawn project of a Rocket