(58184) Masayukiyamamoto Main-belt Asteroid
Discovered on 7 September 1991 by T. Seki at Geisei.
Masayuki Yamamoto (b. 1971) is a Japanese planetary scientist. He specializes in upper atmospheric physics, developing in-situ and remote-sensing equipment, and collaborating with JAXA and NASA, as well as with amateur astronomers and high school students.Naming citation (MPC batch dated 2014-09-09), IAU / Minor Planet Center, via NASA/JPL
Where Masayukiyamamoto is today
Seen from above the solar system on 2026-10-14: Masayukiyamamoto is 2.83 au from the Sun and 3.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 58184 |
| Provisional designation | 1991 RG1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.67 |
| Orbital period | 3.69 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.91 – 2.86 au |
| Eccentricity | 0.198 |
| Inclination | 1.74° |
| Closest distance between its orbit and Earth's (MOID) | 0.903 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Masayuki
All asteroids named after someone called Masayuki
Also discovered on 7 September 1991
- (6650) Morimoto
- (7703) Jimcooney
- (7824) Lynch
- (9186) Fumikotsukimoto
- (26837) Yoshitakaokazaki
- (43803) Wakakinosakura
- (48461) Sabrinamaricia
- (58185) Rokkosan