(7240) Hasebe Main-belt Asteroid
Discovered on 19 December 1989 by Mizuno, Y., Furuta, T. at Kani.
Takao Hasebe (b. 1947) is a Japanese amateur astronomer who taught astronomy to the first discoverer during his youth. Hasebe is also an observer of the lunar surface.Naming citation (20090607/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hasebe is today
Seen from above the solar system on 2026-10-14: Hasebe is 2.48 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7240 |
| Provisional designation | 1989 YG |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.26 km (#14,569 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.501 |
| Absolute magnitude (H) | 14.26 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.98 – 2.73 au |
| Eccentricity | 0.159 |
| Inclination | 5.50° |
| Closest distance between its orbit and Earth's (MOID) | 0.992 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Takao
All asteroids named after someone called Takao