I would like to hook my satellite box to my oppo udp-205 for two channel audio


it is 30 feet away
is the best way to use optical cable or coaxial with rca adapters 
fish3434345
Post removed 
Regarding the possibility of ground loop hum that jea48 pointed out is true. But you (OP) could still go the coax option by inserting a ground loop isolator. Relatively inexpensive ($10?) and they do work. I use one that was provided/installed by my cable company.
Post removed