(29431) Shijimi Main-belt Asteroid
Discovered on 12 April 1997 by H. Abe at Yatsuka.
Shijimi is a popular clam in Japan, and Shijimi caught near Shinji Lake, near Matsue city in Shimane prefecture, are particularly well known. The name was selected among other candidates proposed by children who attended the Fureai Space Festival 2002, held in Matsue on Space Day in Japan.Naming citation (20030318/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Shijimi is today
Seen from above the solar system on 2026-10-14: Shijimi is 2.30 au from the Sun and 2.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29431 |
| Provisional designation | 1997 GA26 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.24 km (#14,625 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.321 |
| Absolute magnitude (H) | 14.67 |
| Orbital period | 3.34 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.89 – 2.58 au |
| Eccentricity | 0.155 |
| Inclination | 7.19° |
| Closest distance between its orbit and Earth's (MOID) | 0.877 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.