Gravity Probe B

Military/Government

LAUNCH WINDOW

20 Apr 2004

04:57 PM UTC

Drawing of a calendar and a clock

ORBIT

LEO (643km, 90°)

Eccentricity:

0.003

a path of a rocket

LAUNCH SITE

Vandenberg

California, United States

VEHICLE

Delta II

Operated by: Boeing

Image of the Delta II rocket