Libration Point Orbits (LPOs) and Highly Elliptical Orbits (HEOs) are often se-lected for astrophysics and solar terrestrial missions. No guidelines currently ex-ist for their end-of life; however, it is a critical aspect to other spacecraft and on-ground safety. This paper presents an analysis of possible disposal strategies for LPO and HEO missions as a result of an ESA study. The dynamical models and the design approach are presented. Five missions are selected: Herschel, Gaia, SOHO as LPOs, and INTEGRAL and XMM-Newton as HEOs. A trade-off is made considering technical feasibility, as well as the sustainability context and the collision probability.
End-of-Life Earth Re-Entry for Highly Elliptical Orbits: the INTEGRAL Mission
COLOMBO, CAMILLA;
2014-01-01
Abstract
Libration Point Orbits (LPOs) and Highly Elliptical Orbits (HEOs) are often se-lected for astrophysics and solar terrestrial missions. No guidelines currently ex-ist for their end-of life; however, it is a critical aspect to other spacecraft and on-ground safety. This paper presents an analysis of possible disposal strategies for LPO and HEO missions as a result of an ESA study. The dynamical models and the design approach are presented. Five missions are selected: Herschel, Gaia, SOHO as LPOs, and INTEGRAL and XMM-Newton as HEOs. A trade-off is made considering technical feasibility, as well as the sustainability context and the collision probability.| File | Dimensione | Formato | |
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