Title:
Considerations for Operation of a Deep Space Nanosatellite Propulsion System
Considerations for Operation of a Deep Space Nanosatellite Propulsion System
Author(s)
Sorgenfrei, Matt
Stevenson, Terry
Lightsey, E. Glenn
Stevenson, Terry
Lightsey, E. Glenn
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Abstract
A distinguishing feature of deep space CubeSats is that they require some form of propulsion system, either for orbital maneuvering operations, spacecraft momentum management, or both. However, the comparatively short lifecycle for these missions, combined with the mass and volume restrictions that are attendant with the CubeSat form factor, make the integration of propulsion systems one of the highest-risk aspects of the entire mission. There are a limited number of facilities around the country that can support accurate testing of thruster systems that generate milli-Newtons of thrust, and the cost associated with handling and transportation of traditional propellants can be prohibitive for many CubeSat mission budgets. As a result, many deep space CubeSats are considering propulsion systems that are either at a fairly low technology readiness level or which will be integrated after a truncated test campaign. This paper will describe the propulsion system architecture selected for the BioSentinel mission, a six-unit CubeSat under development at NASA Ames Research Center. Bio-Sentinel requires a propulsion system to support detumble and momentum management operations, and this paper will discuss the integration of a third-party propulsion system with an Ames-built CubeSat, as well as the test campaign that is underway for both quality control and requirements verification purposes.
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Date Issued
2016-02
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Paper
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Unless otherwise noted, all materials are protected under U.S. Copyright Law and all rights are reserved