(5687) Yamamotoshinobu Main-belt Asteroid
Discovered on 13 January 1991 by Kushida, Y., Muramatsu, O. at Yatsugatake.
Where Yamamotoshinobu is today
Seen from above the solar system on 2026-10-14: Yamamotoshinobu is 2.69 au from the Sun and 2.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5687 |
| Provisional designation | 1991 AB1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 14.1 km (#3,365 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.321 |
| Rotation period | 155 hours |
| Absolute magnitude (H) | 11.4 |
| Orbital period | 5.22 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.50 – 3.52 au |
| Eccentricity | 0.170 |
| Inclination | 12.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.52 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.