(312) Pierretta
Template: Infobox Asteroid / Maintenance / Error 1
(312 ) Pierretta is an asteroid of the main asteroid belt, which was discovered on August 28, 1891 by Auguste Charlois at Nice Observatory.
Pierretta moves at a distance of 2.3290 ( perihelion ) to 3.2304 ( aphelion ) astronomical units in 4.6346 years of the sun. The orbit is inclined 9.0414 ° to the ecliptic, the orbital eccentricity is 0.1621.
Pierretta has a diameter of 21 kilometers. It has a bright silicate- rich surface with an albedo of 0.197. In around 10 hours and 17 minutes to rotate around its own axis.