太空电子学是太空载具上的电子系统、电子子系统或电子部件的发展与应用的科学技术。太空载具上的电子系统包括太空载具的姿势控制、通信、指挥、遥测与计算机系统。感应器则是太空载具上的电子组件。

Astrionics is the science and technology of the development and application of electronic systems, sub-systems, and components used in spacecraft. The electronic systems on board a spacecraft include attitude determination and control, communications, command and telemetry, and computer systems. Sensors refers to the electronic components on board a spacecraft.