Three heliophysics missions - the Solar Heliospheric Observatory (SOHO), the Advanced Composition Explorer (ACE), and the Global Geoscience WIND - have been orbiting the Sun-Earth interior libration point L1 continuously since 1996, 1997, and 2004, respectively. ACE and WIND (both NASA missions) and SOHO (an ESA-NASA joint mission) are all operated from the NASA Goddard Space Flight Center Flight Dynamics Facility. While ACE and SOHO have been dedicated libration point orbiters since their launches, WIND prior to 2004 flew a remarkable 10-year deep-space trajectory that featured 38 targeted lunar flybys. The L1 orbits and the mission histories of the three spacecraft are briefly reviewed, and the station-keeping techniques and orbit maneuver experience are discussed.
Long Term Missions at the Sun-Earth Libration Point L1: ACE, SOHO, and WIND
AAS/AIAA Astrodynamics Specialist Conference ; 2011 ; Girdwood, AK, United States
2011-07-31
Aufsatz (Konferenz)
Keine Angabe
Englisch
Long Term Missions at the Sun-Earth Libration Point L1: ACE, SOHO, and WIND (AAS 11-485)
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