Heaviest satellite launched by Cabinet Satellite Intelligence Center (CSIC) into space at 1,600 kg

IGS Optical 6 is a government satellite operated by Cabinet Satellite Intelligence Center (CSIC) (Japan) for the purpose of earth observation (Optical Imaging).

Constructed by Mitsubishi Electric (Japan), it was launched into space on 26 February 2018 using H2A as the launch vehicle from Tanegashima Space Center. IGS Optical 6 orbits around the Earth as a sun-synchronous LEO satellite.

With a launch mass of 1,600kg, IGS Optical 6 is designed to operate in space for a lifetime of 5 years. It orbits around the Earth with the COSPAR ID 2018-021A and NORAD ID 43223.

Taking 95 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 485km while its apogee, which is the point of the orbit farthest from the Earth's center of mass, is 499km. The eccentricity of the orbit is 1.02E-03 and it orbits at an inclination of 97 degrees to the equatorial plane of the Earth.

Compare IGS Optical 6 with S-Net-1 from Germany.

Compare IGS Optical 6 with Tyvak 0173 from USA.

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