Pegasus HAPS – Orbital Sciences Corporation

• Family: Pegasus
• Length: 15.5 m
• Diameter: 1.28 m
• Launch Mass: 18 T
• Low Earth Orbit Capacity: 250 kg

The Pegasus HAPS, manufactured by Orbital Sciences Corporation established in unknown year, undertook its inaugural launch on 07/17/1991. Notably, Pegasus HAPS has 2 successful launches and 0 failed attempts, with a cumulative tally of 2 launches, currently with 0 pending launches in the pipeline.

The Pegasus is an air-launched rocket developed by Orbital Sciences Corporation (now part of Northrop Grumman Innovation Systems). Capable of carrying small payloads of up to 443 kilograms (977 lb) into low Earth orbit, the vehicle consists of three solid propellant stages and an optional monopropellant fourth stage. Pegasus is released from its carrier aircraft at approximately 40,000 ft (12,000 m), and its first stage has a wing and a tail to provide lift and attitude control while in the atmosphere.
The HAPS variant adds a Hydrazine Auxiliary Propulsion System maneuvering stage.