Welcome to the CHEOPS website!


CHEOPS mission extended

March 9th, 2023

After more than three years in orbit, the mission of the CHEOPS space telescope has just been ext...

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ESA’s Cheops finds an unexpected ring around dwarf planet Quaoar

February 8th, 2023

During a break from looking at planets around other stars, ESA’s CHaracterising ExOPlanet Satelli...

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A thousand days of CHEOPS

December 21st, 2022

After a thousand days in orbit, the CHEOPS space telescope shows almost no signs of wear. Under t...

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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...

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