April 13, 1959 9:18 pm

Discoverer 2

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Thor Agena A

Vandenberg SFB, CA, USA
Days
Hours
Minutes
Seconds
April 13, 1959 9:18 pm

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Last Updated:

2026-07-14 00:16:18

Discoverer II successfully reached orbit and took photos of Earth. However, when the capsule with the data was ejected in order to re-enter the atmosphere there was a timer malfunction meaning it seperated too early and landed over the North Pole rather than the intended target of Hawaii. The capsule was never recovered.
Launch Overview
Window Open 21:18 UTC
Window Close 21:18 UTC
Lift Off Apr 13, 1959 · 21:18 UTC
Launch Facility Vandenberg SFB, CA, USA
Launch Pad Space Launch Complex 1W
Target Orbit Polar Orbit
Payload Overview
Customer United States Air Force
Payload Discoverer 2
Rocket Thor Agena A
Destination Polar Orbit
Recovery Overview
Landing Location See Mission Notes
Landing Type RTLS / Droneship
Discoverer II successfully reached orbit and took photos of Earth. However, when the capsule with the data was ejected in order to re-enter the atmosphere there was a timer malfunction meaning it seperated too early and landed over the North Pole rather than the intended target of Hawaii. The capsule was never recovered.

Height

LEO Payload

Total Launches

Status

United States Air Force
Space Launch Complex 1W
Launch Overview
Window Open 21:18 UTC
Window Close 21:18 UTC
Lift Off Apr 13, 1959 · 21:18 UTC
Launch Facility Vandenberg SFB, CA, USA
Launch Pad Space Launch Complex 1W
Target Orbit Polar Orbit
Payload Overview
Customer United States Air Force
Payload Discoverer 2
Rocket Thor Agena A
Destination Polar Orbit
Recovery Overview
Landing Location See Mission Notes
Landing Type RTLS / Droneship

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