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In July 2019, it was announced that Northrop Grumman had lost the launch contract of the Imaging X-ray Polarimetry Explorer (IXPE) satellite to SpaceX. IXPE had been planned to be launched by a Pegasus XL rocket, and had been designed so as to fit within the Pegasus XL rocket constraints.
Stargazer is a Lockheed L-1011 TriStar built in 1974, that was modified in 1994 for use by Orbital Sciences (now part of Northrop Grumman) as a mother ship for the Pegasus, a small-lift launch vehicle. As of October 2022, 45 rockets (containing nearly 100 satellites) have been launched from Stargazer. [2][3] Stargazer is the only L-1011 ...
In January 2019, three months after the death of Stratolaunch founder and Microsoft co-founder Paul Allen, Stratolaunch abandoned the development of its PGA rocket engines and dedicated launchers. This left the Northrop Grumman Pegasus XL as the sole launch option for an orbital capability of 800 lb (360 kg).
Rocket: Pegasus XL (F44) Launch site: Cape Canaveral Skid Strip, Stargazer [5] Contractor: Northrop Grumman: Entered service: November 2019: Orbital parameters; Reference system: Geocentric orbit: Regime: Low Earth orbit: Perigee altitude: 575 km (357 mi) Apogee altitude: 603 km (375 mi) Inclination: 27.00° Period: 97.00 minutes
Minotaur (rocket family) The Minotaur is a family of United States solid-fuel launch vehicles repurposed from retired Minuteman and Peacekeeper model intercontinental ballistic missiles. Built by Northrop Grumman under the Space Force's Rocket Systems Launch Program, these vehicles are used for various space and test launch missions.
Minotaur-C. Minotaur-C (Minotaur Commercial), formerly known as Taurus[1] or Taurus XL, is a four stage solid fueled launch vehicle built in the United States by Orbital Sciences (now Northrop Grumman) and launched from SLC-576E at California's Vandenberg Air Force Base. It is based on the air-launched Pegasus rocket from the same manufacturer ...
Pegasus II, also known as Thunderbolt, was an air-launched orbital rocket under development in 2012–2015 by Orbital Sciences Corporation for use by Stratolaunch Systems. [ 1 ] The vehicle was to be carried by the Stratolaunch aircraft, developed by Scaled Composites , which is the world's largest aircraft by wingspan.
Both companies said Northrop Grumman's acquisition would not affect Scaled Composites' strategy or involve replacing Burt Rutan as senior manager. [2] The acquisition by Northrop Grumman was completed on August 24, 2007. [3] Rutan retired in April 2011. [4] Ben Diachun, a long time employee, was president of Scaled from Oct 31, 2015, [5] until ...