Friedrich Karl Arnold Schwassmann (25 March 1870 – 19 January 1964) was a German

astronomer An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...

and a discoverer of 22

minor planet According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet. Before 2006, the IAU officially used the term ''minor ...

s and 4

comet A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing. This produces an extended, gravitationally unbound atmosphere or Coma (cometary), coma surrounding ...

s, who worked at AOP in Potsdam and at

Bergedorf Observatory Hamburg Observatory () is an astronomical observatory located in the Bergedorf borough of the city of Hamburg in northern Germany. It is owned and operated by the University of Hamburg, Germany since 1968, although it was founded in 1825 by the ...

in Hamburg. He was co-discoverer with

Arno Arthur Wachmann Arno Arthur Wachmann (8 March 1902 – 24 July 1990) was a German astronomer and discoverer of comets and minor planets, who worked for many years at the Bergedorf Observatory in Hamburg.comet A comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing. This produces an extended, gravitationally unbound atmosphere or Coma (cometary), coma surrounding ...

29P/Schwassmann–Wachmann Comet 29P/Schwassmann–Wachmann, also known as Schwassmann–Wachmann 1, was discovered on November 15, 1927, by Arnold Schwassmann and Arno Arthur Wachmann at the Hamburg Observatory in Bergedorf, Germany. Discovery It was discovered photog ...

31P/Schwassmann–Wachmann 31P/Schwassmann–Wachmann, also known as Schwassmann–Wachmann 2, is a periodic comet in the Solar System. It was discovered on January 17, 1929, at an apparent magnitude of 11.Cometography Home Page The comet has been seen at every apparition. ...

and

73P/Schwassmann–Wachmann 73P/Schwassmann–Wachmann, also known as Schwassmann–Wachmann 3 or SW3 for short, is a periodic comet that has a 5.4 year orbital period and that has been actively Comet#Breakup and collisions, disintegrating since 1995. When it came to perihe ...

, and with

Arno Arthur Wachmann Arno Arthur Wachmann (8 March 1902 – 24 July 1990) was a German astronomer and discoverer of comets and minor planets, who worked for many years at the Bergedorf Observatory in Hamburg.Leslie Peltier Leslie Copus Peltier (January 2, 1900 – May 10, 1980) was an American amateur astronomer and discoverer of several comets and novae, including Nova Herculis 1963. He was once described as "the world's greatest non-professional astronomer" by ...

of the non-periodic comet C/1930 D1 (Peltier–Schwassmann–Wachmann). The main-belt asteroid

989 Schwassmannia 989 Schwassmannia ('' prov. designation:'' ''or'' ) is a stony background asteroid and a slow rotator from the central regions of the asteroid belt, approximately in diameter. It was discovered on 18 November 1922, by astronomer Friedrich Kar ...

, discovered by himself in 1922, was later named in his honor ().

List of discovered minor planets

435 Ella 435 Ella is a typical Main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on 11 September 1898 in Heidelberg. This is the eponym An eponym is a noun after which or for which someone or something is, or is believed to be, n ...

- 11 September 1898 *

436 Patricia 436 Patricia is a large Main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on 13 September 1898 in Heidelberg. References External links Lightcurve plot of 436 Patricia Palmer Divide Observatory, B. D. Warner (2002) Ast ...

- 13 September 1898 * 442 Eichsfeldia - 15 February 1899 * 443 Photographica - 17 February 1899 *

446 Aeternitas 446 Aeternitas is a main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on 27 October 1899 in Heidelberg. It is classified as an A-type asteroid. The asteroid is roughly 45 km in diameter and has a high albedo Albedo ...

- 27 October 1899 *

447 Valentine 447 Valentine is a large Asteroid belt, Main belt asteroid. It was discovered by Max Wolf and Friedrich Karl Arnold Schwassmann, A. Schwassmann on 27 October 1899 in Heidelberg. References External links

* * Background asteroids ...

- 27 October 1899 *

448 Natalie 448 Natalie is a typical Main belt asteroid. It was discovered by Max Wolf and A. Schwassmann on 27 October 1899 in Heidelberg. Analysis of the light curve generated from photometric data collected during its 2010 opposition show a rotati ...

- 27 October 1899 *

449 Hamburga 449 Hamburga is a carbonaceous asteroid from the background population of the intermediate asteroid belt, approximately 75 kilometers in diameter. It was discovered by German astronomers Max Wolf and Friedrich Schwassmann at Heidelberg Observ ...

- 31 October 1899 *

450 Brigitta 450 Brigitta is a typical Main belt asteroid. It is a member of the Eos family. It was discovered by Max Wolf and A. Schwassmann on 10 October 1899 in Heidelberg Heidelberg (; ; ) is the List of cities in Baden-Württemberg by populatio ...

- 10 October 1899 *

454 Mathesis 454 Mathesis is a main-belt asteroid that was discovered by German astronomer Friedrich Karl Arnold Schwassmann on March 28, 1900. Its provisional name was 1900 FC. Photometric observations of this asteroid at the Altimira Observatory in 2004 ...

- 28 March 1900 *

455 Bruchsalia 455 Bruchsalia is a main-belt asteroid. It was discovered by Max Wolf and Friedrich Karl Arnold Schwassmann Friedrich Karl Arnold Schwassmann (25 March 1870 – 19 January 1964) was a German astronomer and a discoverer of 22 minor planets and ...

- 22 May 1900 *

456 Abnoba 456 Abnoba, provisional designation , is a stony background asteroid from the central regions of the asteroid belt, approximately 40 kilometers in diameter. It was discovered on 4 June 1900, by astronomers Max Wolf and Arnold Schwassmann at the ...

- 4 June 1900 *

457 Alleghenia 457 Alleghenia, provisional designation 1900 FJ, is a carbonaceous asteroid from the outer region of the asteroid belt, about 34 kilometers in diameter. It was discovered on 15 September 1900, by German astronomers Max Wolf and Friedrich Schwas ...

- 15 September 1900 *

458 Hercynia 458 Hercynia, provisional designation , is a background asteroid from the outer regions of the asteroid belt, approximately 38 kilometers in diameter. It was discovered on 21 September 1900, by astronomers Max Wolf and Arnold Schwassmann at the ...

- 21 September 1900 *

905 Universitas 905 Universitas is an S-type asteroid S-type (stony-type or silicaceous-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 de ...

- 30 October 1918 *

906 Repsolda 906 Repsolda is a minor planet orbiting the Sun. It is named for the German astronomer and fireman Johann Georg Repsold (1770–1830), who founded and ran Hamburg Observatory Hamburg Observatory () is an astronomical observatory located in ...

- 30 October 1918 *

912 Maritima 912 Maritima is an asteroid in the asteroid belt. Based on lightcurve studies observing Maritima over a three-month period, Maritima has a rotation period of 1332 hours. Analysis reveals a possible synodic period of . Superslow rotators, those wi ...

- 27 April 1919 *

947 Monterosa 947 Monterosa is a minor planet orbiting the Sun. Observations performed at the Palmer Divide Observatory in Colorado Springs, Colorado during 2007 produced a light curve with a period of 5.164 ± 0.001 hours with a brightness range of 0.23 ± ...

- 8 February 1921 *

- 18 November 1922 *

1192 Prisma 1192 Prisma, provisional designation , is an elongated Phocaea asteroid from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. It was discovered by German astronomer Friedrich Schwassmann at the Bergedorf Observat ...

- 17 March 1931 *

1303 Luthera 1303 Luthera, provisional designation , is a dark asteroid and the parent body of the Luthera family, located in the outermost regions of the asteroid belt. It measures approximately 90 kilometers in diameter. The asteroid was discovered on 16 M ...

- 16 March 1928 * 1310 Villigera - 28 February 1932 Co-discovery made with Max F. Wolf

References

1870 births 1964 deaths Discoverers of asteroids Discoverers of comets 19th-century German astronomers 20th-century German astronomers {{Germany-astronomer-stub

List of discovered minor planets

See also

References