Inproceedings,

Orbit and Drift Analysis for Swarms of Picosatellites

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Accepted for 1st International SPACE World Conference, 3.-5. October, Frankfurt a.M., Germany, (2010)

Abstract

Recent advances in small satellite technologies enable the development of extremely small satellites with a total mass below 1 kg. Due to this novel concept, employing multiple satellites to achieve a common mission objective or to increase spatial and temporal coverage is feasible within reasonable costs. Nevertheless the restricted capabilites in orbit control of current small satellite platforms is an issue for realizing satellite formations in space. This work presents a new approach to keep the relative distances of a small satellite swarms within predened boundaries. This is achieved by minimizing the initial orbital conditions, then a multi satellite system without active orbit control can maintain the required relative positioning for a certain time. A detailed drift and orbit analysis for the small satellites launched with PSLV- 14 in 2009 (UWE-2, SwissCube, ITUpSat, Beesat) is presented. Approaches to minimize the variations in the initial conditions are derived and discussed.

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