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Trajectory Design for the Microwave Anisotropy Probe (MAP)The Microwave Anisotropy, Probe (MAP) is a Medium Class Explorers (MIDEX) Mission produced in partnership between Goddard Space Flight Center (GSFC) and Princeton University. The goal of the MAP mission is to produce an accurate fill-sky, map of the cosmic microwave background temperature fluctuations (anisotropy). The mission orbit is a Lissajous orbit about the L(sub 2) Sun-Earth Lagrange point. The trajectory design for MAP is complex, having many requirements that must be met including shadow avoidance, sun angle constraints, Lissqjous size and shape characteristics, and limited Delta-V budget. In order to find a trajectory that met the design requirements for the entire 4-year mission lifetime goal, GSFC Flight Dynamics engineers performed many analyses, the results of which are presented herein. The paper discusses the preliminary trade-offs to establish a baseline trajectory, analysis to establish the nominal daily trajectory, and the launch window determination to widen the opportunity from instantaneous to several minutes for each launch date.
Document ID
20020023969
Acquisition Source
Goddard Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Newman, Lauri Kraft (NASA Goddard Space Flight Center Greenbelt, MD United States)
Rohrbaugh, David (AI Solutions, Inc. Lanham, MD United States)
Bauer, Frank H.
Date Acquired
September 7, 2013
Publication Date
January 1, 2001
Subject Category
Astrodynamics
Meeting Information
Meeting: 16th International Symposium on Space Flight Dynamics
Location: Pasadena, CA
Country: United States
Start Date: December 3, 2001
End Date: December 7, 2001
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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