Yeah, that's pretty good.
Str 16
Dex 14(16, elf)
Con 16(14, elf)
Int 14
Wis 11
Cha 8
You don't need insanely high dex. 16 is pretty good... think of it as always power attacking for 1. Your to-hit modifier will rarely be a problem, and damage will be so it's probably a good idea..
And drop intelligence! Arcane archer doesn't give you spell levels, so you won't get high level spells anyway, and since you won't be high level, your DCs won't matter either. No need to go crazy on intelligence which won't really benefit you much.
-The Souljourner