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
CHEOPS reveals a rugby ball-shaped exoplanet
January 11th, 2022
With the help of the CHEOPS space telescope, an international team including researchers from the...
Two-year launch anniversary of CHEOPS
December 14th, 2021
After two years in orbit, the CHEOPS space telescope has exceeded expectations. By reliably revea...
The upside-down orbits of a multi-planetary system
November 3rd, 2021
Astronomers led by the UNIGE and members of NCCR PlanetS have discovered exoplanets that orbit in...
Picture of the Month
CHEOPS reveals a rugby ball-shaped exoplanet
January 12th, 2022
ESA’s exoplanet mission Cheops has revealed that an exoplanet orbiting its host star within a day...