Asteroid

Asteroid

Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

s discovered: 2

858 El Djezaïr 858 El Djezaïr 858 El Djezaïr is a minor planet orbiting the Sun. El Djezaïr is Arabic for Algeria . It is one of the three largest members of the Leto family , along with 68 Leto and 236 Honoria, all of which are spectral type S.-External links:*...	May 26, 1916
859 Bouzaréah 859 Bouzaréah 859 Bouzaréah is a minor planet orbiting the Sun, named after the Algerian town of Bouzaréah, where the Algiers Observatory was erected.-External links:*...	October 2, 1916

Frédéric Sy was a French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 astronomer

Astronomer

An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

.

He worked at the Paris Observatory

Paris Observatory

The Paris Observatory is the foremost astronomical observatory of France, and one of the largest astronomical centres in the world...

 from 1879 to 1887, and as the assistant astronomer at the Algiers Observatory

Algiers Observatory

The Algiers Observatory was built in the late nineteenth century in the Algiers suburb of Bouzaréah‎. It participated in the Astrographic Catalogue project, taking the zone between -2 and +4 degrees to expose 1,260 plates between the years 1891 and 1911...

 from 1887 to 1918. While working in Algiers he published extensively on the subjects of minor asteroids and comets, and was a colleague of astronomer François Gonnessiat

François Gonnessiat

François Gonnessiat was a French astronomer.He worked at the Observatory of Lyon. In 1889 he won the Lalande Prize for astronomy from the French Academy of Sciences; 1901 became director of the Quito Observatory for the purpose of making geodetic measurements...

.

Sy was responsible for the discovery and naming of two asteroids, 858 El Djezaïr and 859 Bouzaréah. The names were drawn from locations near the Algiers Observatory.

The asteroid 1714 Sy

1714 Sy

1714 Sy is a main belt asteroid with an orbital period of 1502.1767167 days . The asteroid was discovered on July 25, 1951.- References :...

was named after him in 1951.