Welcome to the CHEOPS website!
News
Hints of a possible atmosphere around a rocky exoplanet
May 8th, 2024
Researchers using NASA/ESA/CSA James Webb Space Telescope may have detected an atmosphere surroun...
First ‘glory’ on hellish distant world?
April 5th, 2024
For the first time, potential signs of the rainbow-like ‘glory effect’ have been detected on a pl...
An astronomical waltz reveals a sextuplet of planets
November 29th, 2023
An international collaboration between astronomers using the CHEOPS and TESS space satellites, in...
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 mission extended (En - De/Fr subtitles)
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...