AbstractThis paper summarizes results from two postmission disposal (PMD) parametric analyses based on the high fidelity NASA orbital debris evolutionary model LEGEND. The first analysis includes a non-mitigation reference scenario and four test scenarios, where the mission lifetimes of spacecraft are set to 5, 10, 20, and 30years, respectively, before they are moved to the 25-year decay orbits. The comparison among the five scenarios quantifies how a prolonged spacecraft mission lifetime decreases the effectiveness of the 25-year decay rule in the low Earth orbit region (LEO). The second analysis includes three 25-year decay PMD scenarios where the mission lifetimes of spacecraft are set to 5years but with disposal success rates set to 50%, 70%, and 90%, respectively. It illustrates how the PMD success rate impacts the long-term debris environment. The conclusion of this paper is that a prolonged spacecraft mission lifetime and a lower PMD success rate can have noticeable negative impact on the debris environment in the long run.
A LEO satellite postmission disposal study using legend
Acta Astronautica ; 57 , 2-8 ; 324-329
2005-01-01
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
A LEO satellite postmission disposal study using legend
Online Contents | 2005
|A LEO satellite postmission disposal study using legend
British Library Conference Proceedings | 2005
|A LEO Satellite Postmission Disposal Study using LEGEND
NTRS | 2006
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