The Mission

This is the official consortium homepage of the CHEOPS mission. CHEOPS is the first S-class mission from ESA and was selected in October 2012 with a launch foreseen in the first half of 2019.

CHEOPS stands for CHaracterising ExOPlanet Satellite. It is a small photometric observatory to be launched into low Earth orbit to measure transits of Exo-planets. See the executive summary for a short overview.

CHEOPS' location

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CHEOPS-Children’s Drawings Campaign

Shown below are 3 of the 2748 drawings that will fly into space with the CHEOPS satellite.


14 Feb 2019
Image: The CHEOPS Mission Operations Centre. Credit: ESA/C. Corral The full article: A JIGSAW FALLING INTO PLACE: CHEOPS END-TO-END TESTING…
26 Nov 2018
The CHaracterising ExOPlanet Satellite, CHEOPS, will target 15 October to 14 November 2019 for launch as the European Space Agency…
25 Oct 2018
After a long tour through Europe, the CHEOPS satellite is back at Airbus Defence and Space Spain in Madrid. On…
24 Oct 2018
For the CHEOPS mission, September was a busy month of acoustic noise testing and Electromagnetic Compatibility (EMC) testing at ESA's…
28 Aug 2018
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11 Feb 2019
The CHEOPS satellite in the clean room at RUAG Space in Zürich: Two plaques with children's drawings mounted on the…

Picture of the month

13 Dec 2018
Last instrument software update before launch is currently being performed at the CHEOPS Mission Operations Center (MOC) at INTA, Torrejon,…


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