(11515) Oshijyo Main-belt Asteroid

Discovered on 12 February 1991 by Arai, M., Mori, H. at Yorii.

Oshijyo, the symbol of Gyoda Ichi, is located in the central part of that city and dates from the Muromachi period.Naming citation (20090607/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Oshijyo is today

MercuryVenusEarthEarthMarsMarsOshijyoOshijyo

Seen from above the solar system on 2026-10-14: Oshijyo is 3.37 au from the Sun and 3.88 au from Earth. Computed from JPL's orbital elements.

Facts

Number11515
Provisional designation1991 CR1
Orbit classMain-belt Asteroid
Diameter9.67 km (#5,292 largest of 17,440 named asteroids with a measured size)
Albedo0.249
Rotation period3.34 hours
Absolute magnitude (H)12.61
Orbital period5.60 years
Semi-major axis3.15 au
Perihelion – aphelion2.90 – 3.41 au
Eccentricity0.0818
Inclination7.87°
Closest distance between its orbit and Earth's (MOID)1.92 au

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

Also discovered on 12 February 1991

More named asteroids discovered by Arai, M., Mori, H.