UNITED STATES AIR FORCE

Thor Agena A | Discoverer 9

FAILURE Thor Agena A →
Feb 4, 1960 at 18:51 UTC
Low Earth Orbit Government/Top Secret Vandenberg SFB, CA, USA 60% success
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Live Orbit
Fullscreen
Mission Control3D trajectory · Live telemetry · AI narrator · Booster tracking
PADSpace Launch Complex 1W
SITEVandenberg SFB, CA, USA →
ORBITLow Earth Orbit
TYPEGovernment/Top Secret

Discoverer 9 was an American optical reconnaissance satellite, the sixth of ten operational flights of the Corona KH-1 spy satellite series, and the first of them to be equipped with a new, vacuum-proof, polyester-based film. The satellite was not successfully orbited.

MISSION
Discoverer 9
MISSION TYPE
Government/Top Secret
TARGET ORBIT
Low Earth Orbit
COUNTRY
USA
CONFIRMEDPrecision: Minute
LAUNCH LIBRARY 2 PRIMARY
API ID: 05c21203-d2e5-4932-8376-f996301d1510
Reported date: Feb 4, 1960 at 18:51 UTC
Last synced: 14 minutes ago
This launch date and time are confirmed by the launch provider. Countdown is active.
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MANUFACTURER
McDonnell Douglas
VARIANT
Agena A
FLIGHTS
15
SUCCESSES
9
SUCCESS RATE
60%

Thor-Agena was a series of orbital launch vehicles. The rockets used Thor first stages and Agena second stages. They are thus cousins of the more-famous Thor-Deltas, which founded the Delta rocket family.

When is the Thor Agena A | Discoverer 9 launch?
The Thor Agena A | Discoverer 9 is scheduled for Thursday, February 4, 1960 at 6:51 PM UTC. This is the NET (No Earlier Than) time and may be subject to change. Current status: FAILURE.
What rocket is being used for Discoverer 9?
The Thor Agena A | Discoverer 9 mission uses the Thor Agena A rocket, manufactured by McDonnell Douglas. The Thor Agena A has flown 15 times with a 60% success rate.
Where is the Thor Agena A | Discoverer 9 launching from?
The launch takes place from Space Launch Complex 1W at Vandenberg SFB, CA, USA.
What orbit is Discoverer 9 going to?
The Discoverer 9 mission is targeting Low Earth Orbit.
Who is launching Discoverer 9?
The Thor Agena A | Discoverer 9 is operated by United States Air Force.
Can I watch the Thor Agena A | Discoverer 9 launch live?
Yes. Visit the launch detail page on Space Launch Live for embedded YouTube webcasts, replay videos, and links to live coverage from SpaceX, NASA, NASASpaceflight, and other channels.
Mar 28, 2026 20:12 UTC
Launch added to tracker
Imported from Launch Library 2 API
Mar 28, 2026 20:12 UTC
Launch date set: Feb 4, 1960 at 18:51 UTC
NET (No Earlier Than) confirmed by United States Air Force
Mar 28, 2026 20:12 UTC
Launch failure reported
Updated via Launch Library 2
Last data sync: 14 minutes ago
Launch Library 214 minutes ago
Launch ID: 05c21203-d2e5-4932-8376-f996301d1510
Open-Meteo Weather4 days ago
Pad weather at 34.76, -120.63

Mission Profile

Discoverer 9 was a Thor Agena A mission operated by United States Air Force that lifted off from Space Launch Complex 1W, Vandenberg SFB, CA, USA on February 4, 1960. The flight carried its payload on a government/top secret mission to Low Earth Orbit. The launch ended in failure.