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Designation 26702 / 01007A
Launch date 20 Feb 2001
Country of origin Sweden
Operator Swedish Space Corporation
Mission Scientific: Astronomy and aeronomy
Perigee/Apogee 600 km sun-synchronous (ascending node 18:00)
Inclination 97.8°
Launch vehicle Start #5
Launch site Svobodny

To perform detailed studies of the physics and the chemistry of the interstellar medium by observing emission from key species. It will also study the stratosphere and mesosphere.

Launch cost: $5 million

Still operational in early 2010.

External resources


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Technical data


Prime contractor SSC
Mass at launch 250 kg
Mass in orbit  
Payload mass 80 kg
Dimension 2.0 m high, 3.8 m width (1.1 m stowed)
Solar array  
Stabilization 3-axis
DC power 340 W
Design lifetime 2 years

Has a pointing accuracy of 15 arcsec and 100 MB data storage. The spectrometer and the radiometer are cryogenic and fed by a 1.1 m gregorain telescope.
Carries an Optical spectrometer (280 - 800 nm and 1270 nm) and a Radiometer (3 mm & 0.5 mm).
Downlink: 2208 MHz

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