The Space Data Association (SDA)
is an organisation that brings together satellite operators who value controlled, reliable and efficient data-sharing critical to the safety and integrity of the space environment and the RF spectrum. The SDA membership includes the world’s major satellite communications companies. The Executive members, the world’s four largest commercial satellite operators, are, Inmarsat, Intelsat, SES and Eutelsat.
Analytical Graphics, Inc. (AGI) designed and operates the Space Data Center, SDA’s automated space situational awareness system.