Bindu Lagrange yi

Model bii dafay leeral Bindu Lagrange yi, bérab yu wóor yu nekk ci biir asamaan, ak nu doole yu yóbbu (gravitation) Jant ak Suuf di toppante fa. Dafay won solo bu mag bu am ci lëkkaleek sàtelit walla obsèrvatoryo yi. Model bii dañu ko sos ak ndimbal CNES, Agence spatiale française (Asosiyasioŋ Espas bu Faraas).