A path to flight for Reconfigurable Satellite Constellations: Mission Design and Systems Architecture

This paper investigates the suitability of sun-synchronous orbits (SSOs) as an injection location for responsive, maneuverable spacecraft. This work identifies a range of near-circular, repeating ground track (RGT) orbits that can be easily maneuvered into from SSOs. Four orbits that are simultaneously sun-synchronous and have an RGT are found, which could deliver high-frequency imagery of a target with constant lighting conditions. A method for maneuvering between RGT orbits that are targeting different regions using high-thrust impulse propulsion is also presented. This method is used to model two possible case studies for targeting regions on demand starting from an SSO injection orbit. In a comparative case study with a method that used low-thrust propulsion to move between targets, it was found that the method outlined in this paper required 55% less [Formula: see text]. A case study considering urgent response times showed that RGTs covering targets could be reached in as little as 4 h from any starting location, but this could require extremely large amounts of [Formula: see text] (upward of 1 km/s), while any global target could be viewed within 18 h with a maximum [Formula: see text] of [Formula: see text].

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A path to flight for Reconfigurable Satellite Constellations: Mission Design and Systems Architecture

Cited by 2 publications

References 1 publication

Micronozzle for satellite propulsion and mixture separation: a review

Micronozzle for satellite propulsion and mixture separation: a review

Responsive Maneuver Planning for Sun-Synchronous Repeating Ground Track Orbits

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