flown missionSuccess

Atlas V 501 | OTV-4 (X-37B) (USA 261) (AFSPC-5) & ULTRASat cubesat deployer

United Launch AllianceSpace Launch Complex 41 — Cape Canaveral SFS, FL, USA

The launch vehicle successfully inserted its payload(s) into the target orbit(s).

mission

Name
OTV-4 (X-37B) (USA 261) ( AFSPC-5) & ULTRASat cubesat deployer
Type
Government/Top Secret
Target orbit
Low Earth Orbit (LEO)

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.

schedule

NET (no earlier than)
Window opens
Window closes
Last updated

vehicle & provider

Rocket
Atlas V 501
Family
Atlas
Variant
501
Provider
United Launch Alliance
Type
Commercial
Country
USA

webcasts

launch site

Pad
Space Launch Complex 41
Location
Cape Canaveral SFS, FL, USA
Country
USA
Timezone
America/New_York