(21348) Toyoteru Main-belt Asteroid
Discovered on 1 March 1997 by N. Sato at Chichibu.
Toyoteru is a district in Niigata city, Niigata prefecture, famous for the festival Niigata So-Odori, which dates back to the seventeenth century. In Toyoteru, there is Japan's first child-daycare facility, Akazawa Hoikuen, established in 1890.Naming citation (20101128/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Toyoteru is today
Seen from above the solar system on 2026-10-14: Toyoteru is 2.56 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21348 |
| Provisional designation | 1997 EM25 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.15 km (#14,830 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.372 |
| Absolute magnitude (H) | 14.58 |
| Orbital period | 4.25 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.39 – 2.85 au |
| Eccentricity | 0.0867 |
| Inclination | 15.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.