Multi-Planet Systems

Here is a list of systems that contain multiple sub-stellar companions.

Four Planet Systems
55 Cancri System - Mu Ara System -

Three Planet Plus Systems
PSR B1257+12 System - HD 69830 System -

Three Planet Systems
Upsilon Andromedae System - Gliese 876 System - HD 37124 System - Gliese 581 System -

Two Planet Systems
47 Ursa Majoris System - HD 187123 System - HIP 14810 System - HD 217107 System - HD 38529 System - HD 190360 System - HD 11964 System - HD 74156 System - HD 74156 System - HD 73526 System - HD 155358 System - HD 82943 System - HD 169830 System - HD 202206 System - HD 12661 System - HD 108874 System - HD 47536 System - HD 128311 System -

One Planet Plus Systems
Errai System -