. "Sirius W" . . . "Sirius-2" . "Sirius-1" . "Sirius (satellite)#Sirius 3" . "Sirius (satellite)#Sirius 1" . "Sirius-4" . "Sirius-3" . "Sirius" . . "Sirius 1" . "Marcopolo 1" . "Sirius (satellite)#Sirius 4" . "Sirius 2" . . . . "Sirius 3" . "Sirius 2/Astra 5A" . "Sirius (satellite)" . "Sirius 5" . "Sirius 4" . . . "Astra 4A" . "Sirius (satellite)" . . "Sirius satellite's" .