(6554) Takatsuguyoshida Main-belt Asteroid
Discovered on 28 October 1989 by Mizuno, Y., Furuta, T. at Kani.
Takatsugu Yoshida (b. 1951) is a Japanese amateur astronomer and optical engineer who specializes in making observations by television. He is a member of the professional-amateur working group of IAU Commission 22 and serves as general secretary of the Nippon Meteor Society.Naming citation (20011230/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Takatsuguyoshida is today
Seen from above the solar system on 2026-10-14: Takatsuguyoshida is 2.67 au from the Sun and 3.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6554 |
| Provisional designation | 1989 UO1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.93 km (#12,930 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.218 |
| Rotation period | 12.6 hours |
| Absolute magnitude (H) | 14.49 |
| Orbital period | 3.25 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.72 – 2.67 au |
| Eccentricity | 0.217 |
| Inclination | 4.13° |
| Closest distance between its orbit and Earth's (MOID) | 0.709 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.