- Nucleus: 6 km irregular
- Coma Cloud: 55,000 km
- Current Tail: 658,000 km
An unusual combination of elements, but they hold together reasonably well. Potentially difficult for a novice to navigate.
- The name Comet Jim Dandy is a reference to the song "Jim Dandy" by Bill Haley and The Comets
- It is also a possible reference to the spaceship "Jim Dandy", from Bioware's MDK series.