ESSA 7
Thor Delta N
United States Air Force
Launch Status
SuccessMission
ESSA 7
Type: Earth Science
The ESSA series was the second generation of US meterological satellites after the TIROS (Television & Infra-Red Observation Satellite) series. They were also called OT (Operational TIROS), TOS (TIROS Operational Satellite).
Trajectory
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Location
Space Launch Complex 2E
Vandenberg SFB, CA, USA
719 rockets have launched from Vandenberg SFB, CA, USA.

Rocket
Thor Delta N – McDonnell Douglas
- Family: Thor
- Length: 33 m
- Diameter: 2.44 m
- Launch Mass: 90 T
The Thor Delta N was manufactured by McDonnell Douglas with the first launch on 1968-08-16. Thor Delta N has 5 successful launches and 1 failed launches with a total of 6 launches. American orbital launch vehicle family with Thor first stage and a delta second stage.
Agency
United States Air Force – USAF
- Type: Government
- Abbreviation: USAF
- Country: USA