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Two distant satellites in non-equatorial orbits were discovered by B. Gladman, P. Nicholson, J. A. Burns, and
J. J. Kavelaars using the Palomar 5-meter telescope. The discovery was announced on Oct. 31, 1997.
Ariel
Ariel exhibits tectonism, canyons, resurfacing, and possibly ice vulcanism.

Belinda
Belinda [1986 U5]:

Bianca
Bianca [1986 U9]:

Cordelia
Cordelia [1986 U7]:

Cressida
Cressida [1986 U3]:

Desdemona
Desdemona [1986 U6]:

Juliet
Juliet [1986 U2]:

Miranda
Miranda exhibits grooves, scarps, which are apparent remnants of intense geologic activity in the past.

Oberon

Ophelia
Ophelia [1986 U8]:

Portia
[1986 U1]:

Puck
[1985 U1]:

Rosalind
[1986 U4]:

Titania
Titania has many canyons,

Umbriel
Umbriel is heavily cratered with no observable geologic activity.

© 1996-2007 Eric W. Weisstein
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