(16807) Terasako Main-belt Asteroid
Discovered on 12 October 1997 by A. Nakamura at Kuma Kogen.
Masanori Terasako (b. 1951) is a renowned amateur astronomer in Japan. Terasako started his visual comet searching in 1971, and after sweeping for 1374 hours he discovered C/1987 B2. He is also famous for his telescopic meteor observations.Naming citation (20010804/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Terasako is today
Seen from above the solar system on 2026-10-14: Terasako is 2.24 au from the Sun and 3.23 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16807 |
| Provisional designation | 1997 TW25 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.43 |
| Orbital period | 3.44 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 2.04 – 2.52 au |
| Eccentricity | 0.105 |
| Inclination | 4.31° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Masanori
All asteroids named after someone called Masanori