United States Air ForceTitan II SLVSpace Launch Complex 4W, Vandenberg SFB, CA, USA
P-11 5104
Launched
September 6, 1989
Summary
P-11 5104 launched on an United States Air Force Titan II SLV from Space Launch Complex 4W, Vandenberg SFB, CA, USA on September 6, 1989. It was United States Air Force's 872nd launch, 9th this year and humanity's 3,447th orbital launch attempt. It was the 2nd Titan II SLV flight and the 1st this year. The payload was bound for low Earth orbit (LEO). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Titan II SLV · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Low Earth Orbit (LEO)
- Milestone
- 2nd Titan II SLV flight · 1st this yearUnited States Air Force's 872nd launch9th this yearhumanity's 3,447th orbital launch attempt73rd orbital launch attempt this year
Flight preview
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- USA 45 · NORAD 20220 · re-entered September 13, 1989
Titan 23G-2 Stage 2 · re-entered September 6, 1989
Data from J. McDowell, planet4589.org
About this launch
Low orbit ELINT/SIGINT satellite
Pad

Space Launch Complex 4W, Vandenberg SFB, CA, USA
82nd launch from Space Launch Complex 4W, 1st this year · 540th from Vandenberg SFB, CA, USA
93 launches from this pad · 919 from Vandenberg SFB, CA, USA
365 days after the previous launch from this pad
Questions
When did P-11 5104 launch?
P-11 5104 launched on September 6, 1989. The time is known to the hour, not the minute.
Where can I watch P-11 5104?
No webcast is on record for this launch.
What rocket launched P-11 5104?
Titan II SLV, flown by United States Air Force. Titan II SLV spec sheet
Where did P-11 5104 launch from?
Space Launch Complex 4W, Vandenberg SFB, CA, USA.
What orbit was P-11 5104 going to?
Low Earth Orbit (LEO), a government/top secret mission.
How many satellites did P-11 5104 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Titan II SLV - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Ftitan_ii_slv_image_20231231110038.jpeg&w=1600)