Discovered by A. Nakamura Alternative names 1998 CA1 Aphelion 2.7051 AU (404.68 Gm) Discovered 4 February 1998 Orbits Sun Asteroid group Asteroid belt | Discovery date 4 February 1998 Observation arc 22096 days (60.50 yr) Perihelion 1.6970 AU (253.87 Gm) Absolute magnitude 14.2 Discoverer Akimasa Nakamura MPC designation 15415 | |
Discovery site Kuma Kogen Astronomical Observatory | ||
15415 Rika (1998 CA1) is a main-belt asteroid discovered on February 4, 1998, by A. Nakamura at Kuma Kogen.
Photometric observations of this asteroid collected during 2006 show a rotation period of 6.3636 ± 0.0008 hours with a brightness variation of 1.05 magnitude.
References
15415 Rika Wikipedia(Text) CC BY-SA