Retired· McDonnell Douglas

Thor Delta B

American orbital launch vehicle family with Thor first stage and a delta second stage.

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Launches

since Dec 1962

Success rate

88.8%

8 of 9 successful

Launches per Year

Full year2026 so far

Specifications

Height: 31 m
Diameter: 2.44 m
Liftoff mass: 51 t
Liftoff thrust: 667 kN
To low Earth orbit: 370 kg
To geostationary transfer: 68 kg
Stages: 3
Listed launch price: $9.6 million
First flight: December 13, 1962
Manufacturer: McDonnell Douglas

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

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