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Launch Systems | Space Systems | Mission Engineering

Plug-and-Play for Creating “Instant” GN&C Solutions

Abstract: Small satellites provide an excellent, near-term platform for demonstrating a responsive capability highlighting missions that necessitate quick launch, quick operational capability, with an attendant, very short development schedule. To achieve this rapid...

Circular vs. Elliptical Orbits for Persistent Communications

Abstract: Responsive Communications missions typically require “persistent communications,” i.e., repeat coverage that lasts for an extended period or the entire day. LEO orbits cannot provide this coverage without a large number of satellites and GEO satellites are...

Systems Engineering for Responsive Launch

Abstract: In the Microcosm Responsive Launch Systems model, a key requirement is that the launch vehicle be essentially a commodity, built to inventory, and ready to go whenever needed, much like cruise missiles or rental cars. This, in turn, implies the need for low...

Development of the Scorpius LOX/Kerosene Engine Family

Abstract: Microcosm and Sierra Engineering have been developing a series of low-cost pressure fed LOX/kerosene engines to power the Scorpius® family of launch vehicles. This paper focuses on the design, fabrication and testing of a 20K lbf O-F-O triplet injector with...

Development of the Scorpius® LOX/Kerosene Engine Family

Abstract: Microcosm and Sierra Engineering have been developing a series of low-cost pressure fed LOX/kerosene engines to power the Scorpius® family of launch vehicles. This paper focuses on the design, fabrication and testing of a 20K lbf O-F-O triplet injector with...

Rapid Interplanetary Round Trips at Moderate Energy

Abstract: We define a new class of “rapid round trip” interplanetary missions for which the principal characteristic is a total mission duration that is 1 or more years shorter than the traditional round trip using Hohmann transfers. Round trip missions using Hohmann...