(45855) Susumuyoshitomi Main-belt Asteroid
Discovered on 3 October 2000 by BATTeRS at Bisei SG Center.
Susumu Yoshitomi (b. 1948) is one of the directors of the Japan Space Forum. He contributed greatly to the construction of Bisei Spaceguard Center.Naming citation (WGSBN Bull. 1, #1, 18), IAU / Minor Planet Center, via NASA/JPL
Where Susumuyoshitomi is today
Seen from above the solar system on 2026-10-14: Susumuyoshitomi is 2.80 au from the Sun and 2.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 45855 |
| Provisional designation | 2000 TA2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.09 km (#15,001 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.141 |
| Absolute magnitude (H) | 15.22 |
| Orbital period | 3.61 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.83 – 2.87 au |
| Eccentricity | 0.222 |
| Inclination | 1.61° |
| Closest distance between its orbit and Earth's (MOID) | 0.814 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Susumu
All asteroids named after someone called Susumu