Rotational period is the time it takes for a planet to make one full rotation around it's axis. Pluto takes about 153.3 hours to make one full rotation - or about 6.39 Earth days.
Eris takes approximately 550 Earth years to rotate on its axis.
when diaz
1 year
558844874
About 28 days.
27.32 days
1 year
45 days
it take Venus about 42 earth days to make a complete rotation on its axis
It takes 24 hours!
it takes Mercury 1368936475.26579980 days.
24 hours (1 day )