Space · launch vehicle
Thor Agena A
MDC
RETIRED
At a glance
Launches
15
Success rate
60%
9 ok · 6 failed
Payload to LEO
250 kg
Payload to GTO
—
Manufacturer
McDonnell DouglasStatus
RetiredFirst flight
21 Jan 1959Reusable
NoHeight
28 mDiameter
2.44 mLaunch mass
53 tLiftoff thrust
667 kNStages
2Launch cost
$10,700,000Booster landings
—Links
WikipediaAbout
Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026