(9851) Sakamoto Main-belt Asteroid
Discovered on 24 October 1990 by Endate, K., Watanabe, K. at Kitami.
Makoto Sakamoto (b. 1967) is a research fellow of the Nishi-Harima Astronomical Observatory. He worked previously as an engineer at a telescope manufacturing firm from 1993 to 1995. He was also well known as a youthful astronomy educator during his days as a university student.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sakamoto is today
Seen from above the solar system on 2026-10-14: Sakamoto is 3.37 au from the Sun and 4.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9851 |
| Provisional designation | 1990 UG3 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.75 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 1.76 – 3.43 au |
| Eccentricity | 0.321 |
| Inclination | 6.50° |
| Closest distance between its orbit and Earth's (MOID) | 0.771 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Makoto
- (7803) Adachi
- (8574) Makotoirie
- (8932) Nagatomo
- (9673) Kunishimakoto
- (10546) Nakanomakoto
- (11087) Yamasakimakoto
- (11978) Makotomasako
- (55222) Makotoshinkai
All asteroids named after someone called Makoto