(13678) Shimada Main-belt Asteroid
Discovered on 6 July 1997 by T. Okuni at Nanyo.
Osamu Shimada (b. 1914) is a professor emeritus in science at Yamagata University. He is now a researcher and instructor of science teaching.Naming citation (20030614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Shimada is today
Seen from above the solar system on 2026-10-14: Shimada is 2.60 au from the Sun and 1.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13678 |
| Provisional designation | 1997 NE11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.16 km (#6,419 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.319 |
| Rotation period | 6.80 hours |
| Absolute magnitude (H) | 12.68 |
| Orbital period | 4.71 years |
| Semi-major axis | 2.81 au |
| Perihelion – aphelion | 2.30 – 3.32 au |
| Eccentricity | 0.182 |
| Inclination | 13.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Osamu
- (5606) Muramatsu
- (6300) Hosamu
- (7757) Kameya
- (8046) Ajiki
- (9845) Okamuraosamu
- (12479) Ohshimaosamu
- (13624) Abeosamu
All asteroids named after someone called Osamu