Grigory Nikolayevich Neujmin (russian: Григорий Николаевич Неуймин; – 17 December 1946) was a Georgian–

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

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 ...

, native of

Tbilisi Tbilisi ( ; ka, თბილისი ), in some languages still known by its pre-1936 name Tiflis ( ), is the capital and the largest city of Georgia, lying on the banks of the Kura River with a population of approximately 1.5 million p ...

Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to the ...

, and a discoverer of numerous

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 ''mino ...

s as well as 6 periodic and a

hyperbolic comet This is a list of parabolic and hyperbolic comets in the Solar System. Many of these comets may come from the Oort cloud, or perhaps even have interstellar origin. The Oort Cloud is not gravitationally attracted enough to the Sun to form into ...

at the

Pulkovo Pulkovo may refer to: *Pulkovo Heights marking the southern limit of Saint Petersburg, Russia *Pulkovo Airport serving Saint Petersburg, Russia *Pulkovo Aviation Enterprise Pulkovo Federal State Unified Aviation Service Company (ФГУАП “� ...

and Simeiz Observatories during the first half of the 20th century.

Discoveries

The Minor Planet Center credits his discoveries under the name "

G. N. Neujmin Grigory Nikolayevich Neujmin (russian: Григорий Николаевич Неуймин; – 17 December 1946) was a Georgian–Russian astronomer, native of Tbilisi in Georgia, and a discoverer of numerous minor planets as well as 6 periodi ...

", and his surname appears this way in the literature. However, the modern English transliteration of his name would be Neuymin. Neujmin is credited with the discovery of 74 asteroids, and notably

951 Gaspra 951 Gaspra is an S-type asteroid that orbits very close to the inner edge of the asteroid belt. Gaspra was discovered by Russian astronomer G. N. Neujmin in 1916. Neujmin named it after Gaspra, a Black Sea retreat that was visited by his contem ...

and 762 Pulcova. He also discovered and co-discovered 6

Jupiter-family comet A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or coma, and sometimes also a tail. These phenomena ar ...

s, namely

25D/Neujmin 25D/Neujmin, otherwise known as Comet Neujmin 2, is a periodic comet in the Solar System discovered by Grigory N. Neujmin (Simeis) on February 24, 1916. It was last observed on February 10, 1927. It was confirmed by George Van Biesbroeck (Yerk ...

, 28P/Neujmin, 42P/Neujmin, 57P/du Toit-Neujmin-Delporte (including fragment A) and

58P/Jackson–Neujmin 58P/Jackson–Neujmin is a periodic comet in the Solar System with a current orbital period of 8.19 years. The comet was discovered on a photographic plate on 20 September 1936 by Cyril Jackson of the Union Observatory, South Africa, who descr ...

, as well as

C/1914 M1 This is a list of parabolic and hyperbolic comets in the Solar System. Many of these comets may come from the Oort cloud, or perhaps even have interstellar origin. The Oort Cloud is not gravitationally attracted enough to the Sun to form into a ...

(Neujmin), a

Awards and honors

He received the

Order of the Red Banner of Labour The Order of the Red Banner of Labour (russian: Орден Трудового Красного Знамени, translit=Orden Trudovogo Krasnogo Znameni) was an order of the Soviet Union established to honour great deeds and services to th ...

on 10 June 1945. The lunar crater ''

Neujmin Grigory Nikolayevich Neujmin (russian: Григорий Николаевич Неуймин; – 17 December 1946) was a Georgian–Russian astronomer, native of Tbilisi in Georgia (country), Georgia, and a discoverer of numerous minor planets as ...

'' is named in his honour, as is

1129 Neujmina 1129 Neujmina ( ''prov. designation'': ) is an Eos asteroid from the outer regions of the asteroid belt. It was discovered on 8 August 1929, by astronomer Praskoviya Parchomenko at the Simeiz Observatory on the Crimean peninsula. The stony S-ty ...

, a main-belt asteroid of the

Eos family The Eos family (''adj. Eoan'' ; ) is a very large asteroid family located in the outer region of the asteroid belt. The family of K-type asteroids is believed to have formed as a result of an ancient catastrophic collision. The family's parent body ...

discovered by Praskovjya Parkhomenko at Simeiz Observatory in 1929.

List of discovered minor planets

References

{{DEFAULTSORT:Neujmin, Grigory 1885 births 1946 deaths 20th-century astronomers Discoverers of asteroids Discoverers of comets Russian astronomers Soviet astronomers