2006, CT Russell, JS Leisner, CS Arridge, MK Dougherty, & X Blanco-Cano, Nature of magnetic fluctuations in Saturn's middle magnetosphere, We do not examine the 6 hours surrounding perikron as the ion cyclotron waves in this region have already been extensively discussed et al., 2006. Perikron was close to 2100 on 24 December and the inbound pass cuts through the dayside magnetosphere.
2008, James L. Cambias, Balancing Accounts, I kept chugging away on ion, adjusting my path so I'd hit perikron in the B ring with orbital velocity.
