Minotaur IV | ORS-5
Launch Successful
L - -- : -- : -- : --
Aug. 26, 2017, 6:04 a.m.
Launch Window
Aug. 26, 2017, 3:15 a.m. - Aug. 26, 2017, 7:15 a.m.
Aug. 26, 2017, 3:15 a.m. - Aug. 26, 2017, 7:15 a.m.
Also known as SensorSat, the Operationally Responsive Space 5 (ORS-5) will perform surveillance on geostationary (GEO) satellites. The craft will provide a stopgap for the existing space based surveillance system (SBSS), since full replacements are not expected until after 2020. With a mass of approximately 100kg the solar powered craft will operate in low earth orbit at an altitude of 600km.
The Minotaur IV launch system is derived from the Peacekeeper ICBM. The first three stages are taken directly from decommissioned Peacekeeper missiles. A fourth stage, the Orion-38, is taken from the Pegasus family of air-launched rockets.
Orbital ATK Inc. is an American aerospace manufacturer and defense industry company. It was formed in 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems. Orbital ATK designs, builds and delivers space, defense and aviation-related systems to customers around the world both as a prime contractor and as a merchant supplier. Antares launches from Wallops in Virginia. Minotaur has many launch sites, with the most active now being Cape Canaveral and Vandenberg. Pegasus is an air launched vehicle from an aircraft and so has many launch locations.
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