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FLIGHT DYNAMICS ASPECTS OF THE GRACE FORMATION FLYING
Kirschner, M. and Montenbruck, O. and Bettadpur, S. (2001) FLIGHT DYNAMICS ASPECTS OF THE GRACE FORMATION FLYING. 16th International Symposium on Spaceflight Dynamics, Pasadena, California, December 3-7, 2001.
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Abstract
Three key items have been studied at the mission control center (GSOC) for the build-up and control of the GRACE formation (along-track separation of about 220±50 km): 1. The safe ejection of both satellites from the upper stage and the intial acquistion of the nominal formation. 2. The control of the semi-major axes of both spacecrafts to maintain the inter-satellite separation within tolerable margins while minimizing any perturbations of the science operations. 3. The use of the SGP4 orbit model as on-board orbit propagator to allow a pery precise prediction of the relative position perpendicular of the line-of-sight vector.
| Document Type: | Conference or Workshop Item (Paper) | ||||||||
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| Additional Information: | LIDO-Berichtsjahr=2002, | ||||||||
| Title: | FLIGHT DYNAMICS ASPECTS OF THE GRACE FORMATION FLYING | ||||||||
| Authors: |
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| Date: | 2001 | ||||||||
| Page Range: | pp. 1-8 | ||||||||
| Status: | Published | ||||||||
| Keywords: | GRACE, formation, SGP4, upper stage separation | ||||||||
| Event Title: | 16th International Symposium on Spaceflight Dynamics, Pasadena, California, December 3-7, 2001 | ||||||||
| Organizer: | Jet Propulsion Laboratory, California Institute of Technology | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Space | ||||||||
| HGF - Program Themes: | W EO - Erdbeobachtung | ||||||||
| DLR - Research area: | Space | ||||||||
| DLR - Program: | W EO - Erdbeobachtung | ||||||||
| DLR - Research theme (Project): | W -- no assignement (old) | ||||||||
| Location: | Oberpfaffenhofen | ||||||||
| Institutes and Institutions: | Space Operations and Astronaut Training > Hauptabteilung Raumflugbetrieb und Astronautenausbildung Microwaves and Radar Institute > Hauptabteilung Raumflugbetrieb und Astronautenausbildung Institute of Communication and Navigation > Hauptabteilung Raumflugbetrieb und Astronautenausbildung | ||||||||
| Deposited By: | Karin Klier | ||||||||
| Deposited On: | 16 Sep 2005 | ||||||||
| Last Modified: | 14 Jan 2010 17:23 |
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