Space · launch vehicle
Thor Delta B
MDC
RETIRED
At a glance
Launches
9
Success rate
88.9%
8 ok · 1 failed
Payload to LEO
370 kg
Payload to GTO
68 kg
Manufacturer
McDonnell DouglasStatus
RetiredFirst flight
13 Dec 1962Reusable
NoHeight
31 mDiameter
2.44 mLaunch mass
51 tLiftoff thrust
667 kNStages
3Launch cost
$9,590,000Booster landings
—Links
WikipediaAbout
American orbital launch vehicle family with Thor first stage and a delta second stage.
Source The Space Devs — Launch Library 2
Last checked 29 Sept 2026