CEOS EO HANDBOOK – MISSION SUMMARY
- THEMIS
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Full Name
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Time History of Events and Macroscale Interactions during Substorms
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Status
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Operational (extended)
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Mission Agencies
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NASA
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Launch Date
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17 Feb 2007
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Mission Links
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mission site
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EOL Date
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Dec 2024
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EO Portal Info
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NORAD Catalog #
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International Designator
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Orbit Type
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Highly elliptical
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Orbit Period
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Orbit Sense
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Orbit Inclination
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Orbit Altitude
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Orbit Longitude
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Orbit LST
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Repeat Cycle
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Objectives and Applications
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Five nearly identical probes which study energy releases in Earth's magnetosphere, known as substorms. In 2010, after the end of THEMIS’ prime mission, two of the spacecraft were repurposed to start a new mission: ARTEMIS. The three remaining THEMIS probes continue to orbit Earth, sending back valuable information to help scientists further understand substorms.
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Mission Measurements
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Mission Instruments
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OpenSearch Datasets
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No IDN OpenSearch datasets found.
No FedEO OpenSearch datasets found.
Want to explore more? Read about FedEO  by ESA or click here to search FedEO or CMR OpenSearch by NASA
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