(24673) Ohsugitadao Main-belt Asteroid
Discovered on 28 September 1989 by Endate, K., Watanabe, K. at Kitami.
Tadao Ohsugi (b. 1950) is a Japanese amateur astronomer. For more than half a century, through the activities of his astronomical club, he has conducted educational activities such as stargazing events for children and local people.Naming citation (WGSBN Bull. 3, #10, 8), IAU / Minor Planet Center, via NASA/JPL
Where Ohsugitadao is today
Seen from above the solar system on 2026-10-14: Ohsugitadao is 2.20 au from the Sun and 1.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 24673 |
| Provisional designation | 1989 SB1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.88 km (#13,044 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.355 |
| Rotation period | 8.09 hours |
| Absolute magnitude (H) | 14.15 |
| Orbital period | 3.36 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 2.04 – 2.44 au |
| Eccentricity | 0.0903 |
| Inclination | 6.39° |
| 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 Tadao
All asteroids named after someone called Tadao