(15351) Yamaguchimamoru Main-belt Asteroid
Discovered on 4 November 1994 by Endate, K., Watanabe, K. at Kitami.
Mamoru Yamaguchi (b. 1965) is an amateur astronomer in Isahaya City, Nagasaki Prefecture, Japan. He is a member of the Oriental Astronomical Association, and a keen observer and photographer of comets, nebulae and star clusters.Naming citation (MPC batch dated 2015-09-28), IAU / Minor Planet Center, via NASA/JPL
Where Yamaguchimamoru is today
Seen from above the solar system on 2026-10-14: Yamaguchimamoru is 2.94 au from the Sun and 3.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15351 |
| Provisional designation | 1994 VO6 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.85 km (#13,106 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.300 |
| Absolute magnitude (H) | 14.51 |
| Orbital period | 3.76 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 1.89 – 2.95 au |
| Eccentricity | 0.219 |
| Inclination | 10.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.904 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Mamoru
All asteroids named after someone called Mamoru
Also discovered on 4 November 1994
- (6931) Kenzaburo
- (7666) Keyaki
- (9082) Leonardmartin
- (10155) Numaguti
- (13140) Shinchukai
- (14491) Hitachiomiya
- (14492) Bistar
- (14925) Naoko
- (14926) Hoshide
- (22397) Minobe
- (32911) Cervara