2012

Trajectory Software With Upper Atmosphere Model

The Trajectory Software Applications 6.0 for the Dec Alpha platform has an implementation of the Jacchia- Lineberry Upper Atmosphere Density Model used in the Mission Control Center for International Space Station support. Previous trajectory software required an upper atmosphere to support atmosphere drag calculations in the Mission Control Center. The Functional operation will differ depending on the end-use of the module.

In general, the calling routine will use function-calling arguments to specify input to the processor. The atmosphere model will then compute and return atmospheric density at the time of interest.

This program was written by Charles Barrett of United Space Alliance, Flight Design and Dynamics, for Johnson Space Center For further information, contact the JSC Innovation Partnerships Office at (281) 483-3809. MSC-24250-1

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