4947 Ninkasi, provisional designation , is a sub-kilometer
asteroid
An asteroid is a minor planet of the inner Solar System. Sizes and shapes of asteroids vary significantly, ranging from 1-meter rocks to a dwarf planet almost 1000 km in diameter; they are rocky, metallic or icy bodies with no atmosphere.
...
, classified as
near-Earth object
A near-Earth object (NEO) is any small Solar System body whose orbit brings it into proximity with Earth. By convention, a Solar System body is a NEO if its closest approach to the Sun (perihelion) is less than 1.3 astronomical units (AU). ...
of the
Amor group
Amor Group was Scotland's largest independent business technology company before being acquired by Lockheed Martin in September 2013. The business was formed after a £28 million management buyout of Glasgow based Real Time Engineering Ltd. an ...
, approximately 520 meters in diameter. It was discovered on 12 October 1988, by American astronomer
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) ...
at
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 ...
in California.
It was named after
Ninkasi
Ninkasi was the Mesopotamian goddess of beer and brewing. It is possible that in the first millennium BCE she was known under the variant name Kurunnītu, derived from a term referring to a type of high quality beer. She was associated with both ...
, the Sumerian goddess of wine and beer, who helped the god
Lugalbanda
Lugalbanda was a deified Sumerian king of Uruk who, according to various sources of Mesopotamian literature, was the father of Gilgamesh. Early sources mention his consort Ninsun and his heroic deeds in an expedition to Aratta by King Enmerkar.
...
rescue the tablets of fate from the demon
Zu.
[Dictionary of minor planet names, by Lutz D. Schmadel.]
With an
absolute magnitude
Absolute magnitude () is a measure of the luminosity of a celestial object on an inverse Logarithmic scale, logarithmic Magnitude (astronomy), astronomical magnitude scale. An object's absolute magnitude is defined to be equal to the apparent mag ...
of 18.0,
[ the asteroid is about 670–1500 meters in diameter.][
]
References
External links
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004947
Discoveries by Carolyn S. Shoemaker
Named minor planets
004947
19881012
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