Natural Satellite Of Earth Moon
In the solar system there are six planetary satellite systems containing 205 known natural satellites.
Natural satellite of earth moon. These have been called second moons of earth. This time period is called the orbital period or sidereal period. The same fact sheet gives extreme earth moon distances of 407 000 km and 357 000 km. 469219 kamoʻoalewa an asteroid discovered on 27 april 2016 is possibly the most stable quasi satellite of earth.
The moon is an astronomical body orbiting earth and is the planet s only natural satellite it is the fifth largest satellite in the solar system and by far the largest among planetary satellites relative to the size of the planet that it orbits. The moon is earth s largest natural satellite and we usually see it in the night sky. Other bodies in the solar system such as dwarf planets and asteroids also have moons. The moon is after jupiter s satellite io the second densest satellite in the solar system among those whose densities are known.
Earth s only natural satellite is simply called the moon because people didn t know other moons existed until galileo galilei discovered four moons orbiting jupiter in 1610. The moon as seen from earth. Earth mars jupiter saturn uranus and neptune have 1 2 67 62 27 and 14 moons respectively. In the solar system there are 172 moons orbiting the planets.
Our moon is the fifth largest of the 190 moons orbiting planets in our solar system. Some other planets also have moons or natural satellites. Several of the largest ones are in hydrostatic equilibrium and would therefore be considered dwarf planets or planets if they. Of these all are covered by a crust of ice except for earth s moon and io.
The moon orbits the earth once every 27 3 days. This is a nearly full moon. Although the moon is earth s only natural satellite there are a number of near earth objects neos with orbits that are in resonance with earth. However the time from one full moon to the next is 29 5 days called the synodic period.
Moon any natural satellite orbiting another body. Four iau listed dwarf planets are also known to have natural satellites. Pluto haumea makemake and eris. For the maximum angular size the minimum.
A natural satellite or moon is in the most common usage an astronomical body that orbits a planet or minor planet or sometimes another small solar system body. This extra time is because of the change in angle as the earth revolves around the sun.