55576 Amycus is a
centaur
A centaur ( ; grc, κένταυρος, kéntauros; ), or occasionally hippocentaur, is a creature from Greek mythology with the upper body of a human and the lower body and legs of a horse.
Centaurs are thought of in many Greek myths as being ...
discovered on 8 April 2002 by the
NEAT
Neat may refer to:
* Neat (bartending), a single, unmixed liquor served in a rocks glass
* Neat, an old term for horned oxen
* Neat Records, a British record label
* Neuroevolution of augmenting topologies (NEAT), a genetic algorithm (GA) for the ...
at
Palomar.
The minor planet was named for
Amycus
In Greek mythology, Amykos ( grc, Ἄμυκος), Latinized as Amycus, was the king of the Bebryces, a mythical people in Bithynia.
Family
Amycus was the son of Poseidon and the Bithynian nymph Melia.
Mythology
Amycus was a doughty man but ...
, a male
centaur
A centaur ( ; grc, κένταυρος, kéntauros; ), or occasionally hippocentaur, is a creature from Greek mythology with the upper body of a human and the lower body and legs of a horse.
Centaurs are thought of in many Greek myths as being ...
in
Greek mythology
A major branch of classical mythology, Greek mythology is the body of myths originally told by the Ancient Greece, ancient Greeks, and a genre of Ancient Greek folklore. These stories concern the Cosmogony, origin and Cosmology#Metaphysical co ...
.
It came to
perihelion
An apsis (; ) is the farthest or nearest point in the orbit of a planetary body about its primary body. For example, the apsides of the Earth are called the aphelion and perihelion.
General description
There are two apsides in any ellip ...
in February 2003.
Data from the
Spitzer Space Telescope
The Spitzer Space Telescope, formerly the Space Infrared Telescope Facility (SIRTF), was an infrared space telescope launched in 2003. Operations ended on 30 January 2020. Spitzer was the third space telescope dedicated to infrared astronomy, f ...
gave a diameter of .
A low probability
asteroid occultation
An occultation is an event that occurs when one object is hidden from the observer by another object that passes between them. The term is often used in astronomy, but can also refer to any situation in which an object in the foreground blocks ...
of star UCAC2 17967364 with an
apparent magnitude
Apparent magnitude () is a measure of the brightness of a star or other astronomical object observed from Earth. An object's apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object's li ...
of +13.8 was possible on 11 February 2009.
Another such event involving a star with an
apparent magnitude
Apparent magnitude () is a measure of the brightness of a star or other astronomical object observed from Earth. An object's apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object's li ...
of +12.9 occurred on 10 April 2014 at about 10:46
Universal Time
Universal Time (UT or UT1) is a time standard based on Earth's rotation. While originally it was mean solar time at 0° longitude, precise measurements of the Sun are difficult. Therefore, UT1 is computed from a measure of the Earth's angle with ...
, visible for observers in the southwest US and western Mexico.
Near 3:4 resonance of Uranus
Amycus (2002 GB10) lies within 0.009
AU of the 3:4
resonance
Resonance describes the phenomenon of increased amplitude that occurs when the frequency of an applied periodic force (or a Fourier component of it) is equal or close to a natural frequency of the system on which it acts. When an oscillatin ...
of Uranus and is estimated to have a long orbital half-life of about 11.1
Myr
The abbreviation Myr, "million years", is a unit of a quantity of (i.e. ) years, or 31.556926 teraseconds.
Usage
Myr (million years) is in common use in fields such as Earth science and cosmology. Myr is also used with Mya (million years ago). ...
.
See also
*
*
List of Solar System objects by size
This article includes a list of the most massive known objects of the Solar System and partial lists of smaller objects by observed mean radius. These lists can be sorted according to an object's radius and mass and, for the most massive objects, ...
References
External links
*
{{DEFAULTSORT:Amycus
Centaurs (small Solar System bodies)
055576
Named minor planets
20020408