June 25, 1959 10:47 pm
Discoverer 4
|
Thor Agena A
Vandenberg SFB, CA, USA
Days
Hours
Minutes
Seconds
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Last Updated:
2026-07-14 00:16:06
Discoverer 4 was the fourth in a series of reconnaissance satellites, however, it failed to reach orbit when the Agena engine underperformed and failed to place the capsule into orbit.
Launch Overview
Window Open
22:47 UTC
Window Close
22:47 UTC
Lift Off
Jun 25, 1959 · 22:47 UTC
Launch Facility
Vandenberg SFB, CA, USA
Launch Pad
Space Launch Complex 1E
Target Orbit
Polar Orbit
Payload Overview
Customer
United States Air Force
Payload
Discoverer 4
Rocket
Thor Agena A
Destination
Polar Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
Discoverer 4 was the fourth in a series of reconnaissance satellites, however, it failed to reach orbit when the Agena engine underperformed and failed to place the capsule into orbit.
Height
LEO Payload
Total Launches
Status
United States Air Force
Space Launch Complex 1E
Launch Overview
Window Open
22:47 UTC
Window Close
22:47 UTC
Lift Off
Jun 25, 1959 · 22:47 UTC
Launch Facility
Vandenberg SFB, CA, USA
Launch Pad
Space Launch Complex 1E
Target Orbit
Polar Orbit
Payload Overview
Customer
United States Air Force
Payload
Discoverer 4
Rocket
Thor Agena A
Destination
Polar Orbit
Recovery Overview
Landing Location
See Mission Notes
Landing Type
RTLS / Droneship
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