160 Una is a fairly large and dark, primitive main belt asteroid that was discovered by German-American astronomer C. H. F. Peters on February 20, 1876, in Clinton, New York. It is named after a character in Edmund Spenser's epic poem The Faerie Queene (1590). This minor planet is orbiting the Sun at a distance of with an eccentricity of 0.07. The orbital plane is inclined at an angle of 3.83ð to the plane of the ecliptic.
In the Tholen classification system it is categorized as a CX-type, while the Bus asteroid taxonomy system lists it as an Xk asteroid. Photometric observations of this asteroid made at the Torino Observatory in Italy during 1990âÂÂ1991 were used to determine a synodic rotation period of 5.61 ñ 0.01 hours. It has an estimated diameter of about .