United States Air ForceDelta 2913Space Launch Complex 2W, Vandenberg SFB, CA, USA
COS-B
Launched
August 9, 1975
Image: NASA Kennedy Space Center
Summary
COS-B launched on an United States Air Force Delta 2913 from Space Launch Complex 2W, Vandenberg SFB, CA, USA on August 9, 1975. It was United States Air Force's 645th launch, 16th this year and humanity's 1,727th orbital launch attempt. It was the 1st Delta 2913 flight. The payload was bound for Elliptical Orbit (Elliptical). 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Delta 2913 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Astrophysics · Elliptical Orbit (Elliptical)
- Milestone
- 1st Delta 2913 flightUnited States Air Force's 645th launch16th this yearhumanity's 1,727th orbital launch attempt76th orbital launch attempt this year
Flight preview
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- COS-B · NORAD 8062 · re-entered January 18, 1986
Delta 113 · re-entered May 20, 2017
Data from J. McDowell, planet4589.org
About this launch
European astronomy satellite
Pad
Space Launch Complex 2W, Vandenberg SFB, CA, USA
35th launch from Space Launch Complex 2W, 4th this year · 430th from Vandenberg SFB, CA, USA
99 launches from this pad · 919 from Vandenberg SFB, CA, USA
57 days after the previous launch from this pad
Questions
When did COS-B launch?
COS-B launched on August 9, 1975. The time is known to the hour, not the minute.
Where can I watch COS-B?
No webcast is on record for this launch.
What rocket launched COS-B?
Delta 2913, flown by United States Air Force. Delta 2913 spec sheet
Where did COS-B launch from?
Space Launch Complex 2W, Vandenberg SFB, CA, USA.
What orbit was COS-B going to?
Elliptical Orbit (Elliptical), a astrophysics mission.
How many satellites did COS-B launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).