Sidereal rotation period is approximately one Neptunian day, time taken to rotate once on its axis. This is 0.67 days or 16h 6min 36sec.
164.79 "Earth Years"
The Neptunes was created in 1990.
neptunes gravity is high
hydrogen and helium
It was discovered in 1846.
gas
Hera & Zeus
triton
?
it is verydense but not really dense
yes it is
THE NEPTUNES