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
Unique exoplanet photobombs CHEOPS study of nearby star system
June 28th, 2021
While studying two exoplanets in a bright nearby star system, the CHEOPS satellite has unexpected...
CHEOPS finds unique planetary system
January 25th, 2021
The CHEOPS space telescope detects six planets orbiting the star TOI-178. Five of the planets are...
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...
Picture of the Month
Infographic Nu2 Lupi planetary system
June 28th, 2021
This infographic reveals the details of the Nu2 Lupi planetary system. This bright, Sun-like star...