(46592) Marinawatanabe Main-belt Asteroid
Discovered on 16 December 1992 by T. Seki at Geisei.
Marina Watanabe (1990-2019), together with her mother Yoshie, acted as a manager/producer for her father, Junichi Watanabe on his outreach activities in astronomy and planetary sciences.Naming citation (MPC batch dated 2020-11-17), IAU / Minor Planet Center, via NASA/JPL
Where Marinawatanabe is today
Seen from above the solar system on 2026-10-14: Marinawatanabe is 2.09 au from the Sun and 1.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 46592 |
| Provisional designation | 1992 YP |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.69 km (#15,885 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.322 |
| Absolute magnitude (H) | 14.96 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.99 – 2.57 au |
| Eccentricity | 0.126 |
| Inclination | 5.54° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Marina
- (7295) Brozovic
- (12932) Conedera
- (14829) Povalyaeva
- (20001) Marinakoren
- (112947) Marinascatena
- (243458) Bubulina
- (263940) Malyshkina
All asteroids named after someone called Marina