NTRS - NASA Technical Reports Server

Back to Results
James Webb Space Telescope Initial Mid-Course Correction Monte Carlo Implementation using Task ParallelismThe James Webb Space Telescope will be launched into a highly elliptical orbit that does not possess sufficient energy to achieve a proper Sun-Earth/Moon L2 libration point orbit. Three mid-course correction (MCC) maneuvers are planned to rectify the energy deficit: MCC-1a, MCC-1b, and MCC-2. To validate the propellant budget and trajectory design methods, a set of Monte Carlo analyses that incorporate MCC maneuver modeling and execution are employed. The first analysis focuses on the effects of launch vehicle injection errors on the magnitude of MCC-1a. The second on the spread of potential V based on the performance of the propulsion system as applied to all three MCC maneuvers. The final highlights the slight, but notable, contribution of the attitude thrusters during each MCC maneuver. Given the possible variations in these three scenarios, the trajectory design methods are determined to be robust to errors in the modeling of the flight system.
Document ID
Document Type
Conference Paper
Petersen, Jeremy
(AI Solutions, Inc. Lanham, MD, United States)
Tichy, Jason
(AI Solutions, Inc. Lanham, MD, United States)
Wawrzyniak, Geoffrey
(AI Solutions, Inc. Lanham, MD, United States)
Richon, Karen
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
July 9, 2014
Publication Date
April 21, 2014
Subject Category
Report/Patent Number
Meeting Information
International Symposium on Space Flight Dynamics(Laurel, MD)
Funding Number(s)
Distribution Limits
Public Use Permitted.
James Webb Space Telescope
Mid-Course Correction
Libration Point Orbit
No Preview Available