1313 Berna
Encyclopedia
1313 Berna is an 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...

 orbiting the Sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

. It is named after the city of Berne
Berne
The city of Bern or Berne is the Bundesstadt of Switzerland, and, with a population of , the fourth most populous city in Switzerland. The Bern agglomeration, which includes 43 municipalities, has a population of 349,000. The metropolitan area had a population of 660,000 in 2000...

, in Switzerland
Switzerland
Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

.

A satellite, designated S/2004 (1313) 1, was identified based on lightcurve observations 6–12 February 2004 by René Roy
Rene Roy
René François Joseph Roy was a French economist. He is primarily recognized for the contribution now known as Roy's identity.-References:...

, Stefano Sposetti
Stefano Sposetti
Stefano Sposetti is a Swiss astronomer. He lives in Gnosca, Switzerland. Sposetti took images of the Aten asteroid 2004 FH which made a close flyby of planet Earth....

, Nicolas Waelchli, Donald P. Pray, Nathanaël Berger, Christophe Demeautis, Daniel Matter, Russell I. Durkee, Alain Klotz, Donn R. Starkey, Vincent Cotrez, and Raoul Behrend. This was announced on 12 February 2004 (although the IAUC announcement only came on 23 February 2004). The moon, estimated to be 11 km across, orbits about 35 km from its primary in 1.061±0.005 d.

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