Kosmos 637 - rocket launch details

Launch time26 Mar 197413:35 UTC

success

Orbit: GSO

Serial number: 282-01

First Proton launch with Block DM upper stage, first Soviet launch to geosynchronous orbit, boilerplate payload.

Rocket ProtonK/DM 8K82K/11S86

launched from Baikonur Cosmodrome, Pad 81/23Kazakhstan

Name	Purpose	Mass	Comment
Kosmos 637 (Raduga GVM)	Test flight	-	-