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The rotational velocity of Mercury at its equator is 10.89 km/hr 

Mercury

	Atmospheric Composition
	Density
	Diameter
	Distance from Earth
	Distance from Sun
	Eccentricity
	Escape Velocity
	Gravity
	Mass
	Reflectivity
	Revolution Period
	Rotation Period
	Rotational Velocity
	Satellites
	Syndotic Period
	Temperature
	Tilt of Axis