(7439) Tetsufuse Main-belt Asteroid
Discovered on 6 December 1994 by T. Kobayashi at Oizumi.
Tetsuharu Fuse (b. 1970) works at the Subaru Telescope, National Astronomical Observatory of Japan. A solar system researcher, interested om the Edgeworth-Kuiper belt objects and natural satellites, he is also the first public relations coordinator at the Subaru Telescope.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tetsufuse is today
Seen from above the solar system on 2026-10-14: Tetsufuse is 2.77 au from the Sun and 2.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7439 |
| Provisional designation | 1994 XG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.74 km (#9,323 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.257 |
| Rotation period | 4.49 hours |
| Absolute magnitude (H) | 13.61 |
| Orbital period | 4.24 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.45 – 2.79 au |
| Eccentricity | 0.0638 |
| Inclination | 4.49° |
| Closest distance between its orbit and Earth's (MOID) | 1.47 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.