Minotaur IV

Active Minotaur

Orbital ATK (OA)

Sept. 26, 2010

Description

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.

Specifications
  • Stages
    4
  • Length
    23.9 m
  • Diameter
    2.35 m
  • Fairing Diameter
  • Launch Mass
    86 T
  • Thrust
    2200 kN
  • Apogee (Sub-Orbital)
    500 km
Family
  • Name
    Minotaur IV
  • Family
    Minotaur
  • Variant
  • Alias
    Peacekeeper SLV
  • Full Name
    Minotaur IV
Payload Capacity
  • Launch Cost
  • Low Earth Orbit
    1735 kg
  • Geostationary Transfer Orbit
  • Direct Geostationary
  • Sun-Synchronous Capacity

Orbital ATK

Commercial
President: David W. Thompson
OA 2015

Orbital ATK Inc. was 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 was purchased by Northrop Grumman in 2018.

Upcoming Spaceflights


Minotaur IV | NROL-174

Orbital ATK | USA
Vandenberg SFB, CA, USA
TBD December, 2024
Status: To Be Determined
Mission:

Classified payload for the U.S. National Reconnaissance Office.

Unknown
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Minotaur IV | EWS OD-1

Orbital ATK | USA
Vandenberg SFB, CA, USA
TBD May, 2025
Status: To Be Determined
Mission:

The Electro-Optical/Infrared Weather System (EWS) Operational Demonstration-1 (OD-1) is a weather satellite for the United States Space Force. It is a prototype satellite made by General Atomics that will be place in LEO for a three-year demonstration mission of new EO/IR sensor technologies to various US military branches, and to act as a stop-gap for Defense Department needs for weather data.

Sun-Synchronous Orbit
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Minotaur IV | NROL-129

Orbital ATK | USA
Wallops Island, Virginia, USA
July 15, 2020, 1:46 p.m.
Status: Launch Successful
Mission:

Classified payload for the U.S. National Reconnaissance Office.

Low Earth Orbit
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Minotaur IV | ORS-5

Orbital ATK | USA
Cape Canaveral, FL, USA
Aug. 26, 2017, 6:04 a.m.
Status: Launch Successful
Mission:

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.

Low Earth Orbit
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Minotaur IV | SBSS (USA-216)

Orbital ATK | USA
Vandenberg SFB, CA, USA
Sept. 26, 2010, 4:41 a.m.
Status: Launch Successful
Unknown Mission

There are no mission or payload details available for this launch.


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