156%
3550 km
38%
Charon (Pluto's moon)
(based on the
similarity to Pluto of the spectrum [see below] this is our best guess as to
the size)
125%
2860 km
60%
Pluto-like
108%
2475 km
80%
average antarctica
102%
2330 km
90%
fresh snow on earth
97%
2210 km
100%
nothing known
fraction of
Pluto's size
inferred
diameter of planet
Amount of
light reflected
Type of surface
2003 UB 313