(21368) Shiodayama Main-belt Asteroid
Discovered on 6 June 1997 by T. Okuni at Nanyo.
Shiodayama is a 406-m mountain located in the north of the discoverer's home town, Shirataka, Yamagata prefecture, Japan.Naming citation (20110517/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Shiodayama is today
Seen from above the solar system on 2026-10-14: Shiodayama is 2.87 au from the Sun and 2.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21368 |
| Provisional designation | 1997 LE10 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 9.23 hours |
| Absolute magnitude (H) | 13.04 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.84 – 3.20 au |
| Eccentricity | 0.0591 |
| Inclination | 11.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.86 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.