Mission Status & Summary

Mission Status

|Routine operations have started|04. April 2020|
|In-orbit commissioning is officially successful|25. March 2020|
|CHEOPS is launched from Kourou on VS23|18. December 2019|
|Arianespace confirmed the launch for the the 17th of December 2019.|01. February 2019|
|Currently the spacecraft is undergoing system qualification & acceptance review.|01. January 2019|
|By end 2018 all spacecraft environmental tests have been completed.|31. December 2018|
|In July 2018 the spacecraft thermal tests have been carried out.|30. June 2018|
|In May 2018 DLR delivered the Sensor Module for integration on the S/C|07. May 2018|
|On 11 April 2018 the flight instrument was delivered to the spacecraft in Madrid.|11. April 2018|
|In January 2018 the flight instrument calibration campaign stared.|26. January 2018|
|In November 2017 DLR delivered the Focal-Plane Module for integration to U-Bern|14. November 2017|
|In November 2017 the flight camera was received and aligned.|14. November 2017|
|In October 2017 the instrument was pre-calibrated with the EQM of the camera|25. October 2017|
|In July 2017 the instrument flight model was aligned with the EQM of the camera.|27. July 2017|
|In June 2017 the first ground segment validation test was executed (SVT-1A).|12. June 2017|
|In May 2016 the system CDR was passed.|25. May 2016|
|In April 2016 the instrument electrical model was delivered to the spacecraft.|07. April 2016|
|In January 2016 the instrument critical design review (CDR) was passed.|13. January 2016|
|In August 2015 the instrument structural and thermal model was delivered to the spacecraft.|31. August 2015|
|On 19 February 2014 CHEOPS was adopted by SPC.|19. February 2014|
|On 19 October 2012 it was selected for study for the first S-class mission.|19. October 2012|
|CHEOPS has been proposed as an S-class mission in response to the call for Proposals issued by ESA in March 2012.|05. March 2012|

Mission Summary

The following summarizes the mission.

Name CHEOPS, CHaracterizing ExOPlanet Satellite
Primary Goal Known exoplanet host stars with a V-magnitude < 12 (goal: 13) anywhere on the sky (at least 50% sky observable)
Wavelength Visible range : 400 to 1100 nm
Telescope 32 cm reflective an-axis telescope
Orbit Sun-synchronous Low Earth Orbit, LTAN 6am, altitude 700 km
Lifetime 3.5 years
Type S-class mission

(last update May 2020)