Launched the GPS IIF-3 (USA-239) navigation satellite for the U.S. Air Force from Cape Canaveral. The Centaur upper stage's RL10B-2 engine ran at reduced thrust due to a fuel leak, though the satellite still reached its targeted orbit; the anomaly grounded Delta IV and Atlas V launches for months during the investigation.
- Outcome
- Success
- Orbit
- MEO
- Medium Earth orbit
- Payload to orbit
- 1.6 T
- Flight
- 9th
- of 15 Delta IV M+(4,2) flights
- Date and time
- 4 October 2012, 12:10 UTC
- Rocket
- Delta IV M+(4,2)
- Builder
- ULA
- Launch site
- Space Launch Complex 37B, Cape Canaveral SFS, FL, USA
- Payload
- Navigation
- International designator
- 2012-053
- Launches in 2012
- 56th of 78
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
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