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GRAIL
Launch Success
Liftoff Time (GMT)
13:08:00
Saturday September 10, 2011
Watch Replay
Official Livestream
Mission Details
Launch Notes
Final Delta II Heavy launch and final launch from SLC-17 at Cape Canaveral Air Force Station. The launch was delayed several days due to high-level winds and an issue with the rocket's propulsion system detected while the Delta 2 vehicle was drained of fuel.
GRAIL
The Gravity Recovery and Interior Laboratory (GRAIL-A and B) were two American lunar science missions in NASA's Discovery Program which used high-quality gravitational field mapping of the Moon to determine its interior structure. Launch trajectory was a low energy transfer via L1.
Trans Lunar Injection
2 Payloads
405 kilograms
Rocket
Agency
ULARocket
Height: 38.9m
Payload to Orbit
LEO: 5,959 kg
Liftoff Thrust
4,398 Kilonewtons
Fairing
Diameter: 3m
Height: 8.9m
Stages
2
Strap-ons
9
Launch Site
Stats
Delta II
150th
Mission
2nd
Mission of 2011
United Launch Alliance
54th
Mission
9th
Mission of 2011
2011
49th
Orbital launch attempt