Retired· McDonnell Douglas

Thor Delta M

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

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Launches

since Sep 1968

Success rate

83.3%

10 of 12 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 34 m
Diameter: 2.44 m
Liftoff mass: 103 t
Liftoff thrust: 2,140 kN
To low Earth orbit: 355 kg
To geostationary transfer: 355 kg
Stages: 3
Listed launch price: $22.3 million
First flight: September 19, 1968
Manufacturer: McDonnell Douglas

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

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