description 120 Lachesis Overview
120 Lachesis is a large asteroid in the main asteroid belt, the region between the orbits of Mars and Jupiter. It was discovered by Alphonse Borrelly in 1872 and named after Lachesis, one of the Moirai, or Fates, in Greek mythology. The name refers to the figure who measured the thread of a person’s life. The object is classified as a dark asteroid associated with the carbon-rich C-type group.
help 120 Lachesis FAQ
Where is asteroid 120 Lachesis located?
120 Lachesis is a large asteroid in the main belt between Mars and Jupiter. French astronomer Alphonse Borrelly discovered it on April 10, 1872. [Asteroid reference](https://en.wikipedia.org/wiki/120_Lachesis)
Who is Lachesis in Greek mythology?
Lachesis is one of the 3 Moirai, or Fates, alongside Klotho and Atropos. She is traditionally associated with measuring or assigning the length of a person's life.
How long does 120 Lachesis take to orbit and rotate?
Published orbital estimates put its trip around the Sun at about 5.5 years. Its rotation period is about 46.6 hours, making it a relatively slow rotator for a large main-belt asteroid.
Does the number 120 mean the asteroid is 120 kilometers wide?
No. The number 120 is its sequential minor-planet designation, not its diameter. Its orbit has a semimajor axis of roughly 3.1 astronomical units, placing it well inside the main asteroid belt.
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