(29159) Asakawa Main-belt Asteroid
Discovered on 2 April 1989 by Fujii, T., Watanabe, K. at Kitami.
Kanichi Asakawa (1873–1948) was a world-renowned Japanese historian and professor at Yale University. He advocated peace education and campaigned against war.Naming citation (WGSBN Bull. 4, #14, 7), IAU / Minor Planet Center, via NASA/JPL
Where Asakawa is today
Seen from above the solar system on 2026-10-14: Asakawa is 2.28 au from the Sun and 2.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 29159 |
| Provisional designation | 1989 GB |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.75 km (#7,940 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.141 |
| Absolute magnitude (H) | 13.99 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 2.24 – 2.54 au |
| Eccentricity | 0.0642 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.