Carl Gustav Witt (29 October 1866 – 3 January 1946) was a German

astronomer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth. They observe astronomical objects such as stars, planets, moons, comets and galaxies – in either o ...

and discoverer of two

asteroid An asteroid is a minor planet of the Solar System#Inner solar system, 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 o ...

s who worked at the Berlin Urania Observatory, a popular observatory of the Urania astronomical association of Berlin. He wrote a doctoral thesis under the direction of

Julius Bauschinger Julius Bauschinger (January 28, 1860 – January 21, 1934) was a German astronomer. Biography Julius Bauschinger was born in Fürth, the son of the physicist Johann Bauschinger. He studied at the Universities of Munich and Berlin, graduating un ...

. Witt discovered two asteroids, most notably

433 Eros Eros ( minor planet designation: (433) Eros), provisional designation is a stony asteroid of the Amor group and the first discovered and second-largest near-Earth object with an elongated shape and a mean diameter of approximately . V ...

, the first asteroid with a male name, and the first known

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) ...

. His first minor planet discovery was the main-belt asteroid

422 Berolina 4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is the smallest semiprime and composite number, and is considered unlucky in many East Asian cultures. In mathematics Four is the smallest c ...

, that bears the Latin name of his adoptive city. The minor planet

2732 Witt 2732 Witt, provisional designation , is a bright asteroid and namesake of the Witt family located in the central regions of the asteroid belt, approximately in diameter. It was discovered on 19 March 1926, by German astronomer Max Wolf at the He ...

– an

A-type asteroid A-type asteroids are relatively uncommon inner-belt asteroids that have a strong, broad 1 μm olivine feature and a very reddish spectrum shortwards of 0.7 μm. They are thought to come from the completely differentiated mantle of an asteroid ...

from the

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 ...

, discovered by

Max Wolf Maximilian Franz Joseph Cornelius Wolf (21 June 1863 – 3 October 1932) was a German astronomer and a pioneer in the field of astrophotography. He was the chairman of astronomy at the University of Heidelberg and director of the Heidelberg- ...

Heidelberg Observatory Heidelberg (; Palatine German: ') is a city in the German state of Baden-Württemberg, situated on the river Neckar in south-west Germany. As of the 2016 census, its population was 159,914, of which roughly a quarter consisted of students. ...

in 1926 – was named in his memory by American astronomer and

MPC MPC, Mpc or mpc may refer to: Astronomy * Megaparsec (Mpc), unit of length used in astronomy * Minor Planet Center, Smithsonian Astrophysical Observatory ** ''Minor Planet Circulars'' (MPC, M.P.C. or MPCs), astronomical publication from the Minor ...

's longtime director,

Brian G. Marsden Brian Geoffrey Marsden (5 August 1937 – 18 November 2010) was a British astronomer and the longtime director of the Minor Planet Center (MPC) at the Center for Astrophysics Harvard & Smithsonian (director emeritus from 2006 to 2010). ...

. Naming citation was published on 22 September 1983 ().

References

1866 births 1946 deaths Discoverers of asteroids 20th-century German astronomers 19th-century German astronomers {{Germany-astronomer-stub