articleSolar PhysicsOct 17, 2011HYBRID OA

The Solar Dynamics Observatory (SDO)

WDW. D. PesnellBJB. J. ThompsonPCPhillip C. Chamberlin

Goddard Space Flight Center

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Abstract

The Solar Dynamics Observatory (SDO) was launched on 11 February 2010 at 15:23 UT from Kennedy Space Center aboard an Atlas V 401 (AV-021) launch vehicle. A series of apogee-motor firings lifted SDO from an initial geosynchronous transfer orbit into a circular geosynchronous orbit inclined by 28° about the longitude of the SDO-dedicated ground station in New Mexico. SDO began returning science data on 1 May 2010. SDO is the first space-weather mission in NASA’s Living With a Star (LWS) Program. SDO’s main goal is to understand, driving toward a predictive capability, those solar variations that influence life on Earth and humanity’s technological systems. The SDO science investigations will determine how the…

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Topics & keywords

Topics
Keywords
  • Spacecraft
  • Physics
  • Observatory
  • Geosynchronous orbit
  • Space weather
  • Heliosphere
  • Coronal mass ejection
  • Solar irradiance
UN Sustainable Development Goals
  • Climate action
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