(860) Ursina Main-belt Asteroid

Discovered on 22 January 1917 by M. F. Wolf at Heidelberg.

Where Ursina is today

MercuryVenusEarthEarthMarsMarsUrsinaUrsina

Seen from above the solar system on 2026-10-14: Ursina is 2.60 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.

Facts

Number860
Provisional designationA917 BE
Orbit classMain-belt Asteroid
Diameter34.6 km (#1,169 largest of 17,440 named asteroids with a measured size)
Albedo0.116
Rotation period9.39 hours
Spectral typeM
Absolute magnitude (H)10.02
Orbital period4.67 years
Semi-major axis2.80 au
Perihelion – aphelion2.49 – 3.10 au
Eccentricity0.109
Inclination13.3°
Closest distance between its orbit and Earth's (MOID)1.48 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 22 January 1917

More named asteroids discovered by M. F. Wolf