As far as I know, nomad patrols have been minimized, if not even taken completely out of Kappa, since the AI patrols got implemented.
I could be wrong, and there's still missions against nomads in Kappa (from Planet Gammu for AI), but I don't think I've seen a nomad patrol there since then.
Are you looking for more then fighters? because the Nomad Snubs spawn in Alphas Siniestre Nebula where you find the Jumphole to Beta and and the Swarm of Jumpholes in Gammas Malvada Nebula. Trust me they're there, and they don't like you trying to mine Artifacts in a shieldless LF.