The SORCE Spacecraft and Operations |
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| Authors: | Thomas P Sparn Gary Rottman Thomas N Woods Brian D Boyle Richard Kohnert Sean Ryan Randall Davis Robert Fulton William Ochs |
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| Institution: | (2) Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO, U.S.A.;(3) Orbital Sciences Corporation, Dulles, VA, U.S.A.;(4) NASA Goddard Space Flight Center, Greenbelt, MD, U.S.A. |
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| Abstract: | The Solar Radiation and Climate Experiment, SORCE, is a satellite carrying four scientific instruments that measure the total
solar irradiance and the spectral irradiance from the ultraviolet to the infrared. The instruments were all developed by the
Laboratory for Atmospheric and Space Physics (LASP) at the University of Colorado, Boulder. The spacecraft carrying and accommodating
the instruments was developed by Orbital Sciences Corporation in Dulles, Virginia. It is three-axis stabilized with a control
system to point the instruments at the Sun, as well as the stars for calibration. SORCE was successfully launched from the
Kennedy Space Center in Florida on 25 January 2003 aboard a Pegasus XL rocket. The anticipated lifetime is 5 years, with a
goal of 6 years. SORCE is operated from the Mission Operations Center at LASP where all data are collected, processed, and
distributed. This paper describes the SORCE spacecraft, integration and test, mission operations, and ground data system. |
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