15415 Rika
| Discovery | |
|---|---|
| Discovered by | A. Nakamura |
| Discovery site | Kuma Kogen |
| Discovery date | 4 February 1998 |
| Designations | |
| MPC designation | 15415 |
| 1998 CA1 | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 22096 days (60.50 yr) |
| Aphelion | 2.7051 AU (404.68 Gm) |
| Perihelion | 1.6970 AU (253.87 Gm) |
| 2.2010 AU (329.26 Gm) | |
| Eccentricity | 0.22900 |
| 3.27 yr (1192.7 d) | |
| 312.787° | |
| 0° 18m 6.588s / day | |
| Inclination | 7.4806° |
| 327.388° | |
| 28.717° | |
| Earth MOID | 0.694196 AU (103.8502 Gm) |
| Jupiter MOID | 2.73732 AU (409.497 Gm) |
| Jupiter Tisserand parameter | 3.619 |
| Physical characteristics | |
| 6.3632 h (0.26513 d) | |
| 14.2 | |
|
| |
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.[2]
References
- ↑ "15415 Rika (1998 CA1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 9 April 2016.
- ↑ Husárik, M.; Kušnirák, P. (February 2008), "Relative photometry of numbered asteroids (1314), (2257), (3541), (4080), (4155), (12081) and (15415)", Contributions of the Astronomical Observatory Skalnaté Pleso, 38 (1): 47–60, Bibcode:2008CoSka..38...47H.
- Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm
External links
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