This is the Web Edition of "A Trip Into Space", a Coimbra-based electronic book on space science. Both the texts and the photos are by courtesy of National Aeronautics and Space Administration.
| This is the Web Edition of "A Trip Into Space", a Coimbra-based electronic book on space science. Both the texts and the photos are by courtesy of National Aeronautics and Space Administration.
|
A Trip Into Space  Fact Sheets Neptunian Rings Fact Sheet |
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| See also: Notes On The Fact Sheets |   |
Radius Radius/ Optical Albedo Width
(km) Eq. radius Depth (x 10-3) (km)
Neptune equator 24,766 1.000
Galle (1989N3R) ~41,900 1.692 ~0.00008 ~15 ~2000
LeVerrier (1989N2R) ~53,200 2.148 ~0.002 ~15 ~110
Lassell (1989N4R*) ~53,200 2.148 ~0.00015 ~15 ~4000
Arago (1989N4R*) ~57,200 2.310 <~100
Unnamed (indistinct) 61,950 2.501
Adams (1989N1R) 62,933 2.541 ~0.0045 ~15 ~50
Arcs in Adams Ring:
Courage 62,933 2.541 0.12 ~15
Liberté 62,933 2.541 0.12 ~15
Egalité 1 62,933 2.541 0.12 ~40 ~15
Egalité 2 62,933 2.541 0.12 ~40 ~15
Fraternité 62,933 2.541 0.12 ~15
(*LeVerrier and Lassell were originally identified as one ring, designated 1989N4R)
Last Update: 2004-Nov-27