(24911) Kojimashigemi Main-belt Asteroid
Discovered on 27 February 1997 by Endate, K., Watanabe, K. at Kitami.
Shigemi Kojima (b. 1931) built a private observatory in 1974, with a 0.25-m reflector in a dome he opens wholeheartedly to local children and citizens. He is also now an adviser to the Astronomical Society of Shikoku.Naming citation (20090806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kojimashigemi is today
Seen from above the solar system on 2026-10-14: Kojimashigemi is 2.44 au from the Sun and 2.29 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 24911 |
| Provisional designation | 1997 DU |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.06 |
| Orbital period | 3.53 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.16 – 2.47 au |
| Eccentricity | 0.0666 |
| Inclination | 6.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.17 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.