Sensor for Relative Satellite Motion

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SUMMARY

The discussion centers on identifying sensors suitable for determining the relative position between two satellites. Key sensor types mentioned include radar and laser sensors, which can be deployed from the satellites themselves. Additionally, optical tracking from the ground is highlighted as a viable option. The choice of sensor is influenced by factors such as the distance between satellites and the required precision for specific applications, such as mapping Earth's gravitational field or detecting gravitational waves.

PREREQUISITES
  • Understanding of satellite positioning systems
  • Familiarity with radar and laser sensor technologies
  • Knowledge of optical tracking methods
  • Basic principles of gravitational field mapping
NEXT STEPS
  • Research the specifications and applications of radar sensors for satellite positioning
  • Explore laser ranging techniques used in satellite communication
  • Investigate optical tracking systems and their accuracy in satellite motion detection
  • Study the principles of gravitational wave detection and its technological requirements
USEFUL FOR

Aerospace engineers, satellite communication specialists, and researchers in satellite navigation and gravitational studies will benefit from this discussion.

khm5028
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Hi,
What kind of sensor can be used for finding the relative position between 2 satellites? Thanks.
 
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khm5028 said:
Hi,
What kind of sensor can be used for finding the relative position between 2 satellites? Thanks.

Welcome to the PF.

On schoolwork questions like this, we require that you show some effort on your part first, before we can offer any tutorial hints. What kind of sensors do you think could be used? What would be their advantages and disadvantages? How far apart are the 2 satellites, and what is their expected relative motion?
 
Radar, laser from the satellites themselves.
From the ground, more options, including optical tracking.

It depends on the desired precision as well... If mapping Earth's gravitation field you demand more, to detect gravitation waves even more.
 

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