Space Data Association
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.

SDA members receive secure access to
accurate information, trusted assessments
with transparent processes, validated techniques and diverse data sources.