Launch Alert | Unknown Payload
00D
:
00H
:
00M
:
00S

LAUNCH CENTER

Launch Image
Success
Wed May 20 2015
United Launch Alliance

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

Launch Successful
LAUNCH TIME
Loading...
(Loading...)
Loading...

Window Open

Loading...

(Loading...)

Window Close

Loading...

(Loading...)

RECOVERY OVERVIEW

Location

No Recovery Specified

Type

No Recovery Specified

Rocket Details

Name:

Atlas V 501

Description:

Atlas V with 5m Fairing, 0 SRB, 1 Centaur upper stage engine.

Atlas V 501 rocket
MISSION OVERVIEW
  • Type: Government/Top Secret
  • 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.
COMPLEX OVERVIEW

Location

Cape Canaveral, FL, USA

Pad

Space Launch Complex 41