CEOS EO HANDBOOK – MISSION SUMMARY
- AWS
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Full Name
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Arctic Weather Satellite
aka EPS-Sterna
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Status
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Approved
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Mission Agencies
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ESA , EUMETSAT
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Launch Date
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Jun 2024
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Mission Links
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mission site
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EOL Date
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Jun 2029
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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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Sun-synchronous
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Orbit Period
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97 minutes
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Orbit Sense
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Ascending
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Orbit Inclination
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97.79 deg
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Orbit Altitude
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595 km
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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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AWS is the protoflight satellite for a planned constellation of meteorological microsatellites providing passive microwave soundings for global atmospheric temperature temperature and humidity profiles soundings in all weather conditions, with frequent revisits over the Arctic and Antarctic polar regions. This constellation (called EPS-Sterna, which is named after the latin name Sterna for the Arctic Tern) will consist of 3 orbital planes with 2 satellites in each orbital plane. With a nominal satellite lifetime of 5 years, a first launch in 2029 and 2 replenishments of each orbit plane, a minimum mission lifetime for the full system of 13 years will be achieved. Local Solar time for AWS is 09:00 - 11:00 and EPS-Sterna Descending LST is 03:30, 07:30, 11:30.
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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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