Atlas V 501 | OTV-4 (X-37B) (USA 261) (AFSPC-5) & ULTRASat cubesat deployer
United Launch Alliance · Atlas V 501 · Space Launch Complex 41, Cape Canaveral SFS, FL, USA
United Launch Alliance's 97th launch · 5th this year · humanity's 5,469th orbital launch attempt
The launch vehicle successfully inserted its payload(s) into the target orbit(s).
Window: May 20, 13:00 – May 20, 17:00 UTC
Flight preview
OTV-4 (X-37B) (USA 261) ( AFSPC-5) & ULTRASat cubesat deployer
It is the second flight of the second Boeing X-37B vehicle and the fourth flight of the program. United States Air Force Orbital Test Vehicle is an unmanned 5000 kg, 8.8 m-long reusable mini-spaceplane capable of autonomous re-entry and landing. The OTV-4 mission was to test Aerojet Rocketdyne's XR-5A Hall-effect thruster and conduct a NASA investigation for testing various materials in space. The mission concluded after 717 days in orbit, marking the first time X-37B landed on the Shuttle Landing Facility at the Kennedy Space Center.
Government/Top Secret · Low Earth Orbit (LEO)
Booster
No booster details available.
Watch
- Atlas V - AFSPC-5 (X-37B OTV-4 + CubeSats) Launch - May 20, 2015 — Spaceflight101
