THE CEOS DATABASE : Missions, Instruments and Measurements
CEOS EO HANDBOOK – MISSION SUMMARY - HY-2A -
Full Name Ocean dynamics satellite A Status Currently being flown
Mission Agencies NSOAS, CAST Launch Date 16 Aug 2011
Mission Links mission site EOL Date Dec 2016
EO Portal Info
Orbit Type Sun-synchronous Orbit Period 104 minutes
Orbit Sense Descending Orbit Inclination 99.3 deg
Orbit Altitude 963 km Orbit Longitude
Orbit LST 6:00 Repeat Cycle 14 days
Objectives and Applications Detecting ocean surface temperature, wind field, wave and topography.
Mission Measurements
CategoryParameterInstrument(s)
AtmosphereAtmospheric Humidity Fields RAD
Gravity and Magnetic FieldsGravity, Magnetic and Geodynamic measurements DORIS-NG
OceanOcean topography/currents ALT, DORIS-NG
Ocean surface winds RAD, SCAT
Surface temperature (ocean) RAD
Ocean wave height and spectrum ALT
Snow & IceSea ice cover, edge and thickness RAD
Mission Instruments
ALT - Radar Altimeter
DORIS-NG - Doppler Orbitography and Radio-positioning Integrated by Satellite-NG
RAD - Microwave radiometer
SCAT - Scatterometer
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