Did David and Weyland know about LV-426 existence?

Mateo
MemberOvomorphMarch 11, 2013Locked1498 Views2 RepliesIf we remember [i]Alien[/i][b][/b] plot, the spaceship [b]Nostromo[/b] visits a desolate planetoid LV-426 after receiving an unknown signal from a derelict alien spacecraft.
My question is:
Did David and Weyland know about LV-426 existence?
There are already rumors circulating on the network, can be part
the next film? What is your opinion?