Welcome to the CHEOPS website!
CHEOPS' location
Live position of the CHEOPS satellite
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. CHEOPS was successfully launched on December 18th 2019.
CHEOPS stands for CHaracterising ExOPlanet Satellite. It is a small photometric observatory which operates in a low Earth orbit to measure transits of exoplanets. See the «Executive Summary» for a short overview.
Most of the content of the menu items «News» and «Media & Outreach» is also available in German and French.
CHEOPS-Children’s Drawings Campaign
Below are 3 of the 2748 drawings that orbit the earth with the CHEOPS satellite.
CHEOPS Cartoon
News
One-year launch anniversary of CHEOPS
December 17th, 2020
In its first year in orbit, the CHEOPS space telescope has already revealed details of one of the...
CHEOPS had to avoid space debris
November 5th, 2020
Space debris increasingly threatens rockets, the international space station and satellites. At t...
First study with CHEOPS data describes one of the most extreme planets in the universe
September 28th, 2020
CHEOPS keeps its promise: Observations with the space telescope reveal details of the exoplanet W...
Picture of the Month
How a special telescope learns about new planets (Video)
November 5th, 2020
Image: CHEOPS instrument scientist Andrea Fortier. Photo Swissinfo CHEOPS instrument scientist A...