Sophia translates Vissarion's star maps into layman's terms:

So, you have a nice 3-d map of the Linked Worlds (sans outworlds),
which we will not attempt to reproduce here in much detail. :) 

Some particular features:

Gateway is physically closest to the Omphalos Dust Cloud
Ridena/Craterrock is physically closest to Terra, opposite
 from the Omphalos.
Juice is one of the farther planets along an orthogonal axis to
  Gateway/Craterrock:


  ..  .. 
..  ..  ..                    Lots
 .        .                      
. Omphalos .    Gateway         of           Craterrock      --->  Terra
.  D. N.   .                                                             
 ..  ..  ...                  Linked                                     
   ..  ..                                                                
                                 Worlds                                  
                                                                         
                                                                         
                                  Juice                                  
                                                                         
                                                                         
(If you have other specific questions, let us know)