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

see more

CHEOPS-Children’s Drawings Campaign

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


12 Mar 2019
Recent months on the CHEOPS mission have seen the completion of spacecraft testing and the conclusion of a very important…
12 Mar 2019
After a successful series of tests, the team that will operate the CHEOPS mission is ready for the activities to…
26 Nov 2018
The CHaracterising ExOPlanet Satellite, CHEOPS, will target 15 October to 14 November 2019 for launch as the European Space Agency…
see all news

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,…


login here