The Graves system comprises a special radar associated with a processing system, allowing it to create and update a database of satellite orbital parameters, fully autonomously....
In the early nineties, Onera proposed an independent system dubbed " Graves " for this, to watch satellites in low orbit (altitude less than 1,000 km).The Graves system was developed under DGA contract and consists of a specific radar combined with an automatic processing system that creates and updates a database of the orbital parameters for the satellites it detects..
