Spacecraft

Details

• The total mass of SDO at launch was 3000 kg (6620 lb); instruments 300 kg (660 lb), spacecraft 1300 kg (2870 lb), and fuel 1400 kg (3090 lb).
• Its overall length along the sun-pointing axis is 4.5 m, and each side is 2.22 m.
• The span of the extended solar panels is 6.25 m.
• Total available power is 1500 W from 6.6 m² of solar arrays operating at an efficiency of 16%
• The high-gain antennas rotate once each orbit to follow the Earth.