Track SDO Satellite in Real Time
Detailed information about SDO satellite
Designator id: 2010-005A
Description of SDO Satellite:
SDO (Solar Dynamics Observatory) is the first in a series of missions in the Living With a Star program. The spacecraft is three-axis-stabilized, sun-pointing, in an inclined (28 degree) geosynchronous orbit. The mission's primary goal is to understand and, ideally, predict the solar variations that influence life on Earth and humanity's technological systems. SDO will do this by determining how the Sun's magnetic field is generated and structured and how this stored magnetic energy is converted and released into the heliosphere and geospace in the form of solar wind, energetic particles, and variations in the solar brightness.
The spacecraft carries three instruments: the Atmospheric Imaging Assembly (AIA), the Extreme Ultraviolet Variability Experiment (EVE), and the Helioseismic and Magnetic Imager (HMI). AIA images the dynamic solar atmosphere in multiple wavelengths to link changes in the surface to those in the interior. EVE measures the solar extreme ultraviolet irradiance variations based on the sun's magnetic features. It helps scientists to understand the Suns role in driving the outer atmosphere of Earth. HMI studies the origin of solar variability by characterizing and developing an understanding of the sun's interior and the various components of its magnetic activity. It extends the capabilities of the SOHO/MDI instrument to continuous full-disk coverage at higher spatial resolution and vector magnetograms.
The combined data rate is about 130 Mbit/s (150 Mbit/s with overhead, or 300 Msymbols/s with rate 1/2 convolutional encoding), and the craft will generate approximately 1.5 terabytes of data per day, beaming back 150 million bits of data every second or the equivalent of 380 full-length Hollywood movies. The prime mission is planned for five years, at the end of which the mission could be granted a five-year extension.
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