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|  |  |  |  | | | |  | The ADM-Aeolus satellite | | ADM-Aeolus mission satellite
The main system demands on the satellite are that it should fly in a Sun-synchronous dawn-dusk orbit of 400 km altitude, and carry a continuously operated lidar instrument (ALADIN), whose main field of view is 35° off nadir to the anti-Sun side of the satellite track.
ALADIN will require an optical aperture of 1.1 m, which results in an outer diameter for the protecting baffle of about 1.2 m diameter. This, to some extent, dictates the dimensions of other satellite elements. A further consequence of the measurement performance requirements is the need to provide an excellent thermal stability, which affects the distribution of the units in the satellite.
An important factor in the satellite layout is the desire to minimise drag at the altitude chosen, in order to minimise fuel consumption for orbit maintenance. The entire satellite must also be capable of being launched by the smallest and cheapest practical launcher.
| Mass | ~1000 kg | | Power | ~1 Kw | | Data rate | ~15 kb/s |
| Last update: 17 November 2005 | |
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