(15415) Rika Main-belt Asteroid
Discovered on 4 February 1998 by A. Nakamura at Kuma Kogen.
Rika Akana, girlfriend of Kanchi, is the heroine in Tokyo Love Story. Some stories of the TV drama were filmed on location in Kuma Town, where this minor planet was discovered.Naming citation (20001013/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Rika as a baby name🐶 Rika as a dog name
Where Rika is today
Seen from above the solar system on 2026-10-14: Rika is 2.03 au from the Sun and 1.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15415 |
| Provisional designation | 1998 CA1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.83 km (#15,601 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.605 |
| Rotation period | 6.36 hours |
| Absolute magnitude (H) | 14.29 |
| Orbital period | 3.27 years |
| Semi-major axis | 2.20 au |
| Perihelion – aphelion | 1.70 – 2.70 au |
| Eccentricity | 0.228 |
| Inclination | 7.48° |
| Closest distance between its orbit and Earth's (MOID) | 0.697 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.