CEOS EO HANDBOOK – MISSION SUMMARY
- HydroGNSS
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Full Name
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HydroGNSS-A and -B
aka Scout-2
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Status
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Approved
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Mission Agencies
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ESA , UKSA
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Launch Date
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Oct 2024
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Mission Links
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mission site
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EOL Date
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Mar 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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95.6 minutes
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Orbit Sense
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Ascending
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Orbit Inclination
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98.7 deg
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Orbit Altitude
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550 km
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Orbit Longitude
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Orbit LST
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10:30
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Repeat Cycle
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30 days
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Objectives and Applications
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This second Scout mission, HydroGNSS, will provide measurements of key hydrological climate variables, including soil moisture, freeze–thaw state over permafrost, inundation and wetlands, and above-ground biomass, using a technique called Global Navigation Satellite System (GNSS) reflectometry. In doing so it will complement missions such as ESA’s SMOS and Biomass, Copernicus Sentinel-1 and NASA’s SMAP. Knowledge of these variables helps scientists understand climate change and contributes towards weather modelling, ecology mapping, agricultural planning and flood preparedness.
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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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