Uranus Rings Fact Sheet

Rings of Uranus

                       Radius   Radius/        Optical      Albedo      Width    Eccentricity     
                        (km)     Eq. radius     Depth       (x10-3)      (km)
   Uranus Equator      25,559     1.000                                                                      
   6                   41,837     1.637         ~0.3         ~15          1.5      0.0010                                  
   5                   42,234     1.652         ~0.5         ~15           ~2      0.0019                                                        
   4                   42,571     1.666         ~0.3         ~15           ~2      0.0011                                              
   Alpha               44,718     1.750         ~0.4         ~15         4-10      0.0008                                                            
   Beta                45,661     1.786         ~0.3         ~15         5-11      0.0004                                                           
   Eta                 47,176     1.834         ~0.4-        ~15          1.6                                                                
   Gamma               47,627     1.863         ~0.3+        ~15          1-4      0.0011                                    
   Delta               48,300     1.900         ~0.5         ~15          3-7      0.00004                                                          
   Lambda              50,024     1.957         ~0.1         ~15           ~2      0.                     
   Epsilon             51,149     2.006       0.5-2.3        ~18        20-96      0.0079                                                        

A second set of two rings has been discovered at roughly 100,000 km radius.

Uranus Fact Sheet

Uranus Home Page

Notes on the Factsheets

Directory to other Planetary Fact Sheets

NASA Official: Ed Grayzeck, edwin.j.grayzeck@nasa.gov
V1.0, 17 July 1995
Last Updated: 18 September 2006, DRW