Discovered from Voyager images in 1982 by Synnott and provisionally called Tethys Co-orbital
It is designated Saturn XII
Physical Parameters
Diameter
220 x 200 x 160 kilometres (Phoebe is not spherical)
Orbital Parameters
Mean Distance from Saturn
12,952,000 kilometres
Mean Sidereal Period
550.48 earthdays
Eccentricity
0.163
Inclination
150 degrees (Phoebe is in a retrograde orbit)
Opposition Magnitude (Average)
16.5
Alphastro aims to present an up-to-date view of
the Universe using specially written web pages and links to other Internet
sites that are regularly updated. In addition to providing the latest facts,
Alphastro is building up a search tool of Internet resources about astronomy
and spaceflight.
General Summary
of news about astronomy and spaceflight plus miscellaneous items.
The Alphastro Guide To Deep
Space The latest information on all bodies outside the Solar System
with associated internet links and books for sale.
The Alphastro Launch Log
A manifest of every launch and current status of all artificial satellites
and manned spaceflight with associated internet links and books for sale.
The Alphastro Bookshop Buy
the latest books on astronomy, space research and associated subjects.
Alphastro.com was registered through Names.co and
I recommend their service to all webmasters. Click the banner for more details.