5381 Sekhmet is an

Aten asteroid The Aten asteroids are a dynamical group of asteroids whose orbits bring them into proximity with Earth. By definition, Atens are Earth-crossing asteroids . The group is named after 2062 Aten, the first of its kind, discovered on 7 Januar ...

whose orbit is sometimes closer to the

Sun The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...

than the

Earth Earth is the third planet from the Sun and the only astronomical object known to harbor life. While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water. About 71% of Earth's surfa ...

's.

Carolyn Shoemaker Carolyn Jean Spellmann Shoemaker (June 24, 1929 – August 13, 2021) was an American astronomer and a co-discoverer of Comet Shoemaker–Levy 9, Comet Shoemaker–Levy 9. She discovered 32 comets (then a record for the most by an individual) ...

Palomar Observatory Palomar Observatory is an astronomical research observatory in San Diego County, California, United States, in the Palomar Mountain Range. It is owned and operated by the California Institute of Technology (Caltech). Research time at the observat ...

discovered it on 14 May 1991. It is named after

Sekhmet In Egyptian mythology, Sekhmet ( or Sachmis (), also spelled Sakhmet, Sekhet, Sakhet among other spellings, cop, Ⲥⲁⲭⲙⲓ, Sakhmi), is a warrior goddess as well as goddess of healing. She is depicted as a lioness. Sekhmet is a solar de ...

, the

Egyptian goddess Ancient Egyptian deities are the gods and goddesses worshipped in ancient Egypt. The beliefs and rituals surrounding these gods formed the core of ancient Egyptian religion, which emerged sometime in prehistory. Deities represented natural fo ...

of war. Sekhmet is believed to be an

S-type asteroid S-type asteroids are asteroids with a spectral type that is indicative of a siliceous (i.e. stony) mineralogical composition, hence the name. They have relatively high density. Approximately 17% of asteroids are of this type, making it the second ...

, and some believe its

diameter In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of the circle. Both definitions are also valid for ...

is approximately 1.4 km. In December 2003, a team of astronomers at

Arecibo Observatory The Arecibo Observatory, also known as the National Astronomy and Ionosphere Center (NAIC) and formerly known as the Arecibo Ionosphere Observatory, is an observatory in Barrio Esperanza, Arecibo, Puerto Rico owned by the US National Science F ...

announced that the asteroid may have a

moon The Moon is Earth's only natural satellite. It is the fifth largest satellite in the Solar System and the largest and most massive relative to its parent planet, with a diameter about one-quarter that of Earth (comparable to the width of ...

that measures 300 m in diameter and orbits approximately 1.5 km from Sekhmet. This moon is not yet confirmed.

References

External links

(5381) Sekhmet
datasheet, johnstonsarchive.net

Robert Johnston, johnstonsarchive.net * * * {{DEFAULTSORT:Sekhmet 005381 Discoveries by Carolyn S. Shoemaker Minor planets named from Egyptian mythology Named minor planets 005381 005381 19910514