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Preparing the latest launch data.

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Primary launch schedule data: The Space Devs - Launch Library 2

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Thor Delta N6 launch schedule & history | T-Minus Zero

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Thor Delta N6

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Thor Delta N6

Launch history and upcoming schedule for Thor Delta N6.

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Rocket profile

Family: Thor

Manufacturer: McDonnell Douglas

LL2 vehicle: Thor Delta N6

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

Vehicle wiki

At a glance

0 upcoming tracked

Total launches

LL2 total

Success rate

67%

2 success • 1 failure

Next launch

—

No upcoming launches

Last launch

Oct 21, 1971, 4:32 AM PDT

In 19,956 days • Scrubbed

Launch cadence

318.0 days

Avg gap (last 25 launches)

Time TBD

—

No upcoming launches

Last 30 days

Launches

Last 90 days

Launches

Last 365 days

Launches

Record month

Rocket KPIs

LL2: Thor Delta N6

Manufacturer: McDonnell Douglas

View full vehicle profile

Maiden flight

1970-01-23

Reusable

Height

33.0 m

Diameter

2.4 m

Stages

3-3

Success streak

Consecutive launches

Landings

0/0

0 failed

Landing streak

Consecutive landings

Manufacturer

McDonnell Douglas

Commercial • USA

Mission mix

Last 3

Top orbits

Sun-Synchronous Orbit3

Top mission types

Earth Science3

Top payload types

No payload type data yet.

Crewed launches

Payloads

Across the sample window

Where it flies

Top launch sites

Vandenberg SFB, CA, USA3

Schedule volatility

Premium

Tracks timing/status changes for up to the next 20 launches based on the last 120 days of updates.

No upcoming launches to analyze right now.

Upcoming launches

0 items

No upcoming Thor Delta N6 launches scheduled.

Launch history

3 items

Thor Delta N6 | ITOS B
United States Air Force - Thor Delta N6
Oct 21, 1971, 4:32 AM PDT
Launch pad: Vandenberg SFB, CA, USA (CA)
Thor Delta N6 | NOAA 1
United States Air Force - Thor Delta N6
Dec 11, 1970, 3:35 AM PST
Launch pad: Vandenberg SFB, CA, USA (CA)
Thor Delta N6 | ITOS 1
United States Air Force - Thor Delta N6
Jan 23, 1970, 3:31 AM PST
Launch pad: Vandenberg SFB, CA, USA (CA)

Oct 1971

Longest gap

322 days

Between consecutive launches

Latest scrub

Thor Delta N6 | ITOS B

Oct 21, 1971, 4:32 AM PDT

Failure