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Circumlunar Free-Return Cycler Orbits for a Manned Earth-Moon Space StationMultiple free-return circumlunar cycler orbits were designed to allow regular travel between the Earth and Moon by a manned space station. The presented cycler orbits contain circumlunar free-return "figure-8" segments and yield lunar encounters every month. Smaller space "taxi" vehicles can rendezvous with (and depart from) the cycling Earth-Moon space station to enter lunar orbit (and/or land on the lunar surface), return to Earth, or reach destinations including Earth-Moon L1 and L2 halo orbits, near-Earth objects (NEOs), Venus, and Mars. To assess the practicality of the selected orbits, relevant cycler characteristics (including (Delta)V maintenance requirements) are presented and compared.
Document ID
Document Type
Conference Paper
Genova, Anthony L.
(NASA Ames Research Center Moffett Field, CA United States)
Aldrin, Buzz
(Buzz Aldrin Enterprises, LLC Satellite Beach, FL, United States)
Date Acquired
April 6, 2016
Publication Date
August 9, 2015
Subject Category
Lunar And Planetary Science And Exploration
Report/Patent Number
Meeting Information
Meeting: AAS/AIAA Astrodynamics Specialist Conference
Location: Vail, CO
Country: United States
Start Date: August 9, 2015
End Date: August 13, 2015
Sponsors: American Astronautical Society, American Inst. of Aeronautics and Astronautics
Distribution Limits
Public Use Permitted.
Circumlunar Free-Return
Space Station
Earth-Moon Cycler Orbits
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