Sun sensor

Related Overviews


'Sun sensor' can also refer to...


More Like This

Show all results sharing this subject:

  • Astronomy and Astrophysics


Show Summary Details

Quick Reference

A light-sensitive device that orients a spacecraft towards the Sun. It is part of the attitude control system.

When ‘Sun acquisition’ occurs, the device's sensing voltage changes from low to high. The TOPEX/Poseidon spacecraft, launched on 10 August 1992 to measure ocean surfaces, carried two Sun sensors to ensure that the vehicle's altimeter antenna pointed straight down to the sea.

Subjects: Astronomy and Astrophysics.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.