Operated by European Space Agency (ESA) of ESA, CHEOPS is a government satellite launched for the purpose of space science.
Constructed by European Space Agency (ESA/EADS CASA Espacio), it was launched into space on 18 December 2019 using Soyuz as the launch vehicle from Guiana Space Center. CHEOPS orbits around the Earth as a sun-synchronous LEO satellite.
With a launch mass of 273kg, CHEOPS is designed to operate in space for a lifetime of 5 years. It orbits around the Earth with the COSPAR ID 2019-092B and NORAD ID 44874.
With an orbital eccentricity of 7.78E-04, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 697km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 708km. It takes 99 minutes to orbit the Earth at an inclination of 98 degrees to the equatorial plane of the Earth.