Retired· McDonnell Douglas

Thor Delta N

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

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Launches

since Aug 1968

Success rate

83.3%

5 of 6 successful

In a row

successful launches

Launches per Year

Full year2026 so far

Specifications

Height: 33 m
Diameter: 2.44 m
Liftoff mass: 90 t
Liftoff thrust: 1,590 kN
Stages: 2
Listed launch price: $18.8 million
First flight: August 16, 1968
Manufacturer: McDonnell Douglas

Next Launches

No Upcoming Launches

No launch is scheduled for this vehicle right now.

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