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Abstract:
This paper details the development of analytical approaches and procedures to reasonably determine orbit lifetimes for post-mission orbits, accounting for nonlinearities of solar and geomagnetic indices, solar cycle phasing, drag coefficient variations, orbit-to-Sun geometry variations, and the recently observed thermospheric cooling effect. These techniques were originally developed to support the development of a draft standard for the International Standards Organization (ISO) to help reduce long-term collision risk in the LEO orbit regime by ensuring that the pre-launch assessment of orbital lifetime is done carefully and accurately, using standardized analysis methods.
Keywords:
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Citation:
Oltrogge, D.L. and Chao, C.C., “Standardized Approaches for Estimating Orbit Lifetime after End-of-Life,” Paper AAS 07-261, 2007 AAS/AIAA Astrodynamics Specialist Conference, Mackinac Island, MI, 19-23 August 2007, accessible at https://comspoc.com/Resources/Content/Private/C-20220423T130213/Paper/20070819_AIAA_Orbit_Lifetime_DLO_CCC_v17.pdf.
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