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Rocket file · LV-403

Thor Delta D

McDonnell Douglas · Thor · RETIRED

Thor Delta D is an expendable launch vehicle built by McDonnell Douglas. It stands 32.0 m tall, lifts 450 kg to low Earth orbit, first flew on 19 August 1964. It has flown 2 times with 2 successes, a success rate of 100.0%. It has nothing on the Launch Library 2 schedule right now.

Specification

Vehicle spec sheet

ON FILE
Height32.0 m
Diameter2.4 m
Payload to LEO450 kg
Payload to GTO104 kg
Maiden flight19 August 1964
ReusableNo, expendable
Launch cost$12.7M
StatusRETIRED

As listed by Launch Library 2. The cost is Launch Library’s figure, not a quoted price. Figures for rockets outside the sixty most-flown were last read on 2026-11-05.

Flight record

Reliability

ON RECORD
Total flights2
Successful2
Failed0
Success rate100.0%
Landing attempts0
Landing successN/A
Scheduled0
VariantDelta D

About Thor Delta D

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

Upcoming flights

Manifest

EMPTY

Thor Delta D is retired, and no flight is filed.

All upcoming launches

Thor Delta D in the archive

From NASA's public image library and Wikimedia Commons. Each photo shows the credit its licence asks for and links back to where it came from.

Delta D Intelsat1
Delta D Intelsat1Wikimedia Commons ↗
Antwerp Verhees Delta D-2 02
Antwerp Verhees Delta D-2 02Ad Meskens You are free to use this picture for any purpose as long as you credit its author, Ad Meskens . Example: © Ad Meskens / Wikimedia Commons If you use this work outside of the Wikimedia projects, a message or a copy is very much appreciated. This image is not in the public domain. A statement such as "From Wikimedia Commons" or similar is not by itself sufficient. If you do not provide clear attribution to the author you do not comply with the terms of the file's license and you may not use this file. If you are unable or unwilling to provide attribution you should contact Ad Meskens to negotiate a different license. · CC BY-SA 4.0Wikimedia Commons ↗
Antwerp Verhees Delta D-2 03
Antwerp Verhees Delta D-2 03Ad Meskens You are free to use this picture for any purpose as long as you credit its author, Ad Meskens . Example: © Ad Meskens / Wikimedia Commons If you use this work outside of the Wikimedia projects, a message or a copy is very much appreciated. This image is not in the public domain. A statement such as "From Wikimedia Commons" or similar is not by itself sufficient. If you do not provide clear attribution to the author you do not comply with the terms of the file's license and you may not use this file. If you are unable or unwilling to provide attribution you should contact Ad Meskens to negotiate a different license. · CC BY-SA 4.0Wikimedia Commons ↗

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Common questions

How many times has Thor Delta D flown?
2 times, with 2 successes and 0 failures.
What is Thor Delta D's success rate?
100.0%. That's 2 successful flights out of 2 attempts.
How much can Thor Delta D lift to orbit?
Launch Library 2 lists Thor Delta D at 450 kg to low Earth orbit and 104 kg to geostationary transfer orbit.
Is Thor Delta D reusable?
No. Launch Library 2 lists Thor Delta D as expendable, so no stage is recovered to fly again.