(13017) Owakenoomi Main-belt Asteroid
Discovered on 18 March 1988 by Arai, M., Mori, H. at Yorii.
Owakenoomi was a ruler of north Musashi in the latter half of the fifth century. The leader of a troop of guardsmen of the Emperor Yuuryaku, he was buried in the Inariyama old burial mounds in Gyodashi, Saitama prefecture, with an iron sword inlaid with gold that is now a national treasure.Naming citation (20091202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Owakenoomi is today
Seen from above the solar system on 2026-10-14: Owakenoomi is 2.74 au from the Sun and 2.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13017 |
| Provisional designation | 1988 FM |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.30 km (#10,058 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.251 |
| Rotation period | 3.04 hours |
| Absolute magnitude (H) | 13.65 |
| Orbital period | 4.10 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.27 – 2.86 au |
| Eccentricity | 0.116 |
| Inclination | 13.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.26 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.