(6778) Tosamakoto Main-belt Asteroid
Discovered on 4 October 1989 by Takahashi, A., Watanabe, K. at Kitami.
Where Tosamakoto is today
Seen from above the solar system on 2026-10-14: Tosamakoto is 2.95 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6778 |
| Provisional designation | 1989 TX10 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.78 km (#6,795 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.463 |
| Rotation period | 6.00 hours |
| Absolute magnitude (H) | 12.89 |
| Orbital period | 4.78 years |
| Semi-major axis | 2.84 au |
| Perihelion – aphelion | 2.72 – 2.96 au |
| Eccentricity | 0.0422 |
| Inclination | 3.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 October 1989
- (6241) Galante
- (7239) Mobberley
- (8490) Akiehashimoto
- (9173) Viola Castello
- (9580) Tarumi
- (10514) Harlow
- (69273) Derbyastro