(13207) Tamagawa Main-belt Asteroid
Discovered on 10 April 1997 by A. Nakamura at Kuma Kogen.
Tamagawa (population 5800), located in the eastern part of Ehime prefecture, is home of Tamagawa Junior High School. The naming marks the participation of the school's students in “NEARlink”, an educational project to simulate the launch and voyage of the NEAR spacecraft and analyze the actual data from it.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tamagawa is today
Seen from above the solar system on 2026-10-14: Tamagawa is 2.47 au from the Sun and 1.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13207 |
| Provisional designation | 1997 GZ25 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.19 km (#14,732 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.190 |
| Absolute magnitude (H) | 15.21 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 2.11 – 2.47 au |
| Eccentricity | 0.0792 |
| Inclination | 4.92° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.