Abstract
Several new space missions are under development within ESA's Earth Observation (EO) programmes. By 2009 the following satellites will be launched: Cryosat (ice altimetry); GOCE (Gravity field and steady-state Ocean Circulation Explorer); SMOS (Soil Moisture and Ocean Salinity); Aeolus (atmospheric winds); Swarm (magnetic field). Other prepared projects include the SPECTRA (Surface Processes and Ecosystem Changes Through Response Analysis) mission. These missions are briefly reviewed, emphasizing control/navigation aspects when instrumental to the novel EO data. Two representative examples, GOCE and SPECTRA, are described in more detail. Relevant sensor and actuator technology aspects are also outlined.
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