How Many Planets Does Mercury Have?

How Many Planets Does Mercury Have? Planet / Dwarf Planet Mercury Confirmed Moons 0 Provisional Moons 0 Total 0 Does Mercury have any planets? Designations Semi-major axis 0.387098 AU 57,909,050 km Eccentricity 0.205630 Orbital period (sidereal) 87.9691 d 0.240846 yr 0.5 Mercury synodic day Is Mercury the 8 planet? Our Solar System has eight planets

How Many Planets Are In The Observable Universe?

How Many Planets Are In The Observable Universe? Mission News. Our Milky Way galaxy contains a minimum of 100 billion planets, according to a detailed statistical study based on the detection of three planets located outside our solar system, called exoplanets. How many planets are in the universe 2020? There are over 700 quintillion planets