United Launch AllianceDelta IV HeavySpace Launch Complex 37B, Cape Canaveral SFS, FL, USA
DSP-23
Launched
November 11, 2007
Image: United Launch Alliance
Summary
DSP-23 launched on an United Launch Alliance Delta IV Heavy from Space Launch Complex 37B, Cape Canaveral SFS, FL, USA on November 11, 2007. It was United Launch Alliance's 12th launch, 10th this year and humanity's 4,874th orbital launch attempt. It was the 2nd Delta IV Heavy flight and the 1st this year. The payload was bound for Geostationary Transfer Orbit (GTO). 33 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Delta IV Heavy · United Launch Alliance
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Transfer Orbit (GTO)
- Milestone
- 2nd Delta IV Heavy flight · 1st this yearUnited Launch Alliance's 12th launch10th this yearhumanity's 4,874th orbital launch attempt57th orbital launch attempt this year
Flight preview
Catalogued objects
33 catalogued: 1 payload, 1 rocket stage, 31 debris; 32 still in orbit
- DSP F23 · NORAD 32287 · in orbit
Delta 329 · in orbit
Data from J. McDowell, planet4589.org
About this launch
Part of the USAF Defence Support Program (DSP), which forms the principal component of the Satellite Early Warning System, used by the USA.
Pad

Space Launch Complex 37B, Cape Canaveral SFS, FL, USA
13th launch from Space Launch Complex 37B, 1st this year · 652nd from Cape Canaveral SFS, FL, USA
40 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
535 days after the previous launch from this pad
Questions
When did DSP-23 launch?
DSP-23 launched on November 11, 2007. The time is known to the hour, not the minute.
Where can I watch DSP-23?
No webcast is on record for this launch.
What rocket launched DSP-23?
Delta IV Heavy, flown by United Launch Alliance. Delta IV Heavy spec sheet
Where did DSP-23 launch from?
Space Launch Complex 37B, Cape Canaveral SFS, FL, USA.
What orbit was DSP-23 going to?
Geostationary Transfer Orbit (GTO), a government/top secret mission.
How many satellites did DSP-23 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
