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CHEOPS

CHEOPS is ESA’s first S-class mission, developed with Switzerland, dedicated to precise transit measurements of known exoplanets around bright stars.

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Identity

Aliases
CHEOPS missionCHaracterising ExOPlanet Satellite mission
Name
CHEOPS
Status
active

Details

Astronauts
-
Description
CHEOPS is ESA’s first S-class mission, developed with Switzerland, dedicated to precise transit measurements of known exoplanets around bright stars.
Destination
700 km Sun-synchronous dusk-dawn Earth orbit for high-precision transit photometry of known exoplanets around bright stars, measuring their sizes and bulk densities to characterize worlds from super-Earths to Neptunes
Launch Site
Outcome
CHEOPS completed commissioning and entered routine science operations in 2020, continuing to measure exoplanet sizes and densities for the ESA-Switzerland mission consortium.
Programs
Start Date
2019-12-18
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Creation Time
August 1, 2026 at 11:30:49 UTC
Updated Time
August 22, 2026 at 14:16:21 UTC

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