Concept information
Preferred term
LRR
Definition
- The Laser Retro-Reflector (LRR) is mounted on the Earth-facing panel of Envisat close to the RA-2 antenna to support satellite ranging for precise orbit determination and RA-2 range measurement calibration. Laser tracking provides the distance between the spacecraft and the station and is assimilated in precise orbit determination. It will be used extensively during the commissioning phase and regularly during the mission to verify the stability of the positioning system. (en)
Broader concept
- Laser Ranging (en)
URI
https://earth.esa.int/concept/cdb77e18-3620-56a8-be58-b7e89c25edb3
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