What Is The Diameter Of Mercury In Km

With a diameter of 4 879 km 3031 67 mi mercury is the smallest planet in our solar system.

It is only about a third larger than earth s moon. Mean density kg m 3 5420. Synodic period days 115 88 mean orbital velocity km s 47 36. Tropical orbit period days 87 968.

Mercury is designated by the symbol. Perihelion 10 6 km 46 002. Planet mercury s size diameter gravity mass and density of mercury mercury is the smallest planet in the solar system. Mass kg 3 3 x 10 23.

This makes it about two fifths the size of earth. Average distance from sun. In fact mercury is not much larger than our moon which has a diameter of 3475 km. Escape velocity m s 4300.

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This image shows half of the hemisphere missed by mariner 10 in 1974 75 and was snapped by messenger s wide angle camera when it was about 27 000 km 17 000 miles from the planet. Mercury is the smallest and innermost planet in the solar system its orbit around the sun takes 87 97 earth days the shortest of all the planets in the solar system. Orbital velocity km s 58 98. With a diameter of about 3 032 miles 4 879 kilometers mercury is not quite two fifths the size of earth.

Like venus mercury orbits the sun within earth s orbit as. Mercury s diameter is 4879 km while earth s is 12 756 km. Mercury is the smallest planet in both mass and diameter. It is smaller than jupiter s moon ganymede.

Sidereal orbit period days 87 969. Mercury earth ratio mercury earth semimajor axis 10 6 km 57 909. It is about 18 times less massive than earth. It is named after the greek god hermes ερμής translated into latin mercurius mercury god of commerce messenger of the gods mediator between gods and mortals.

Mercury as seen by the messenger probe jan. Mass density of mercury. Aphelion 10 6 km 69 817.