619 Triberga is a

main belt The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies, of many sizes, but much smaller than planets, called ...

asteroid discovered on 22 October 1906 by

August Kopff August Kopff (February 5, 1882 – April 25, 1960) was a German astronomer and discoverer of several comets and asteroids. Kopff studied and worked in Heidelberg, getting his PhD there in 1906 and he then joined the Humboldt University of Berli ...

Heidelberg-Königstuhl State Observatory Heidelberg-Königstuhl State Observatory (german: Landessternwarte Heidelberg-Königstuhl) is a historic astronomical observatory located near the summit of the Königstuhl hill in the city of Heidelberg in Germany. The predecessor of the curre ...

. Since it has an orbit that repeats itself almost exactly every four years with respect to the position of the Sun and Earth, it has been suggested as a way to calculate the mass of the Moon. Triberga was named for the German town of

Triberg Triberg im Schwarzwald is a town in Baden-Württemberg, Germany, located in the Schwarzwald-Baar district in the Black Forest. In 2020, it had a population of 4,656. Triberg lies in the middle of the Black Forest between 500 and 1038 metres above ...

. Since it has an

absolute magnitude Absolute magnitude () is a measure of the luminosity of a celestial object on an inverse logarithmic astronomical magnitude scale. An object's absolute magnitude is defined to be equal to the apparent magnitude that the object would have if it ...

of 9.9, it is roughly 43 km in diameter. It has an

opposition Opposition may refer to: Arts and media * ''Opposition'' (Altars EP), 2011 EP by Christian metalcore band Altars * The Opposition (band), a London post-punk band * '' The Opposition with Jordan Klepper'', a late-night television series on Com ...

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 ...

of 13.5.

References

External links

* * Background asteroids

Triberga Triberga is a village on the island of Öland in the kingdom of Sweden. For many years Triberga has been investigated for its unusual flora and fauna including littoral species.Göran Wahlenberg, ''Flora Svecica enumerans plantas Sveciæ indigenas' ...

Moon S-type asteroids (Tholen) 19061022 {{S-beltasteroid-stub