None
None of the planets have precisely 8 moons and no more. The known satellite numbers are as follows :-
MERCURY 0
VENUS 0
EARTH 1
MARS 2
JUPITER 63
SATURN 61 (permanent - but another 139 temporarily captured)
URANUS 27
NEPTUNE 13
(PLUTO 1 although PLUTO has now been downgraded from full planetary
status)
MERCURY 0
VENUS 0
EARTH 1
MARS 2
JUPITER 63
SATURN 61 (permanent - but another 139 temporarily captured)
URANUS 27
NEPTUNE 13
(PLUTO 1 although PLUTO has now been downgraded from full planetary
status)
Its about same size as uranus
I have no ma by but ma by mercury