On what game?
The red orb is so you can find Kyogre on Ruby.
You get the red orb after you defeat Red on top of Mt. Silver. Talk to Mr. Pokemon and he will promptly give you the orb.
in a Pokemon game
You cannot; the blue orb is obtained in Heart Gold, while the red orb is obtained in Soul Silver.
Mt. Pyre
mt pyre
blue orb for groudon and red orb for kyogre
The blue orb is only in ruby and sapphire and emerald not firered.
In HeartGold you get a blue orb and in SoulSilver you get a red orb
in soulsilver you get the red orb in heartgold you get the blue orb
behind his bed
You can only get the Red Orb in in Pokémon Ruby; in Sapphire, you get the Blue Orb, while Archie, the leader of Team Aqua, takes the Red Orb.