Thor Delta E | ESSA 4

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).

Mission Details

  • Launch date: January 26, 1967 at 05:31 PM UTC
  • Launch vehicle: Thor Delta E
  • Operator: United States Air Force
  • Launch site: Vandenberg SFB, CA, USA
  • Mission type: Earth Science