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Thor Delta N6

Thor family · built by McDonnell Douglas · maiden flight 1970-01-23

Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-17

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

Specifications

33.0 mLength
2.44 mDiameter
102 tLaunch mass
3Stages
2411 kNLiftoff thrust

Payload Capacity

No payload capacity figures published for this configuration.

Lifetime Launch Record

As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.

3Total launches
2Successful
1Failed
0Upcoming

Launches Tracked on This Site

3In our archive
66.7%Success rate
Jan 23, 1970 11:31 UTCEarliest tracked
Oct 21, 1971 11:32 UTCMost recent
MissionDateStatus
Thor Delta N6 | ITOS B Oct 21, 1971 11:32 UTC Failure
Thor Delta N6 | NOAA 1 Dec 11, 1970 11:35 UTC Success
Thor Delta N6 | ITOS 1 Jan 23, 1970 11:31 UTC Success

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