1717 Arlon
Encyclopedia
1717 Arlon is a main belt
Asteroid belt
The asteroid belt is the region of the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets...

 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...

 discovered on January 8, 1954 by Sylvain Arend at the Royal Observatory of Belgium in Uccle
Uccle
Uccle or Ukkel is one of the nineteen municipalities located in the Brussels-Capital Region of Belgium.Uccle is known for its well-to-do areas, its green spots and its high rental rates.-History:...

. It is named after the Belgian town of Arlon.

Arlon is roughly 9 km in diameter. In 2006 a team of astronomers at the Ondřejov Observatory
Ondrejov Observatory
The Ondřejov Observatory is the principal observatory of the Astronomical Institute of the Academy of Sciences of the Czech Republic. It is located near the village of Ondřejov, 35 km southeast of Prague....

 announced the lightcurve analysis suggests that Arlon has a moon
Asteroid moon
A minor planet moon is an astronomical body that orbits a minor planet as its natural satellite. It is thought that many asteroids and Kuiper belt objects may possess moons, in some cases quite substantial in size...

orbiting once every 18.236 hours, at a distance of 16 km. The moon is approximately 4 km in diameter.

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