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The eccentric behavior of nearly frozen orbits

Show simple item record Sweetser, Theodore H. Vincent, Mark A. 2014-03-12T20:35:17Z 2014-03-12T20:35:17Z 2013-08-11
dc.identifier.citation AAS/AIAA Astrodynamics Specialist Conference, Hilton Head, South Carolina, August 11-15, 2013 en_US
dc.identifier.clearanceno CL#13-3287
dc.description.abstract Frozen orbits are orbits which have only short-period changes in their mean eccentricity and argument of periapse, so that they basically keep a fixed orientation within their plane of motion. Nearly frozen orbits are those whose eccentricity and argument of periapse have values close to those of a frozen orbit. We call them “nearly” frozen because their eccentricity vector (a vector whose polar coordinates are eccentricity and argument of periapse) will stay within a bounded distance from the frozen orbit eccentricity vector, circulating around it over time. For highly inclined orbits around the Earth, this distance is effectively constant over time. Furthermore, frozen orbit eccentricity values are low enough that these orbits are essentially eccentric (i.e., off center) circles, so that nearly frozen orbits around Earth are bounded above and below by frozen orbits. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013 en_US
dc.subject spacecraft en_US
dc.subject collision en_US
dc.title The eccentric behavior of nearly frozen orbits en_US
dc.type Preprint en_US

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