GRAIL-A (Ebb) & GRAIL-B (Flow)

Launched NASA's twin GRAIL-A and GRAIL-B spacecraft toward the Moon on a Delta II Heavy from Cape Canaveral, the final Delta launch from historic Pad 17A. The probes mapped the Moon's gravity field to reveal its internal structure.

Outcome

Success

Payload to orbit

614 kg

Flight

2nd

of 2 Delta II 7920H-10C flights

Date and time

10 September 2011, 13:08 UTC

Rocket

Delta II 7920H-10C

Builder

ULA

Launch site

Space Launch Complex 17B, Cape Canaveral SFS, FL, USA

Payload

Unknown

International designator

2011-046

Launches in 2011

49th of 84

See it in orbit

Space Atlas shows the satellites and rocket stages from this launch in 3D.

View satellites in Space Atlas↗