Discoverer 21

Military/Government

LAUNCH WINDOW

18 Feb 1961

10:58 PM UTC

Drawing of a calendar and a clock

ORBIT

LEO (634.5km, 80.7°)

Eccentricity:

0.617

a path of a rocket

LAUNCH SITE

Vandenberg

California, United States

VEHICLE

Thor DM-21 Agena-B

Operated by: NASA

Drawn project of a Rocket