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X-37B OTV-4

retired

Technology DemonstrationLEOCOSPAR 2015-025ALaunched 5/20/2015

Mission & Launch

Launch Mission: X-37B OTV FLT-4
Launch Vehicle: Atlas V 501 C
Launch Date: 5/20/2015
Last Contact: 5/7/2017

Orbit & Mass

Orbit Class: LEO
Altitude: 315.5 km
Inclination: 38.02 deg
Dry Mass: 5,000 kg
Total Mass: 5,000 kg

Payload Classification

Mission Type: Technology Demonstration
Payload Category: TECH*
Payload Class: D

Organizations

Operator: Space Rapid Capabilities Office
Manufacturer: Boeing

Registry

COSPAR ID: 2015-025A
UN Registration: ST/SG/SER.E/796