Designed for earth observation (Earth Science), Proba 5 is a government satellite operated by European Space Agency (ESA) (ESA).
Constructed by QinetiQ Space Belgium (Belgium), it was launched into space using Vega as the launch vehicle from Guiana Space Center on 7 May 2013. Proba 5 orbits around the Earth as a sun-synchronous LEO satellite.
Designed with an operational lifetime of 3 years, Proba 5 has a launch mass of 140 kg and navigates with the COSPAR ID 2013-021A and NORAD ID 39159.
Taking 101 minutes to orbit the Earth, the satellite's perigee, which is the point of the orbit closest to the Earth's center of mass, is 813km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 820km. The eccentricity of the orbit is 4.87E-04 and it orbits at an inclination of 99 degrees to the equatorial plane of the Earth.