Discovery[1] | |
---|---|
Discovered by | A. Nakamura |
Discovery site | Kuma Kogen Obs. |
Discovery date | 4 February 1998 |
Designations | |
(15415) Rika | |
Named after | Rika Akana (character in the drama Tokyo Love Story)[1] |
1998 CA1 · 1983 PC1 1983 PH · 1997 WK22 | |
main-belt[1][2] · (inner) background[3] · Flora[4] | |
Orbital characteristics[2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 0 | |
Observation arc | 63.41 yr (23,161 d) |
Aphelion | 2.7047 AU |
Perihelion | 1.6979 AU |
2.2013 AU | |
Eccentricity | 0.2287 |
3.27 yr (1,193 d) | |
194.33° | |
0° 18m 6.48s / day | |
Inclination | 7.4787° |
327.38° | |
28.661° | |
Physical characteristics | |
2.830±0.488 km[5] 3.74 km (calculated)[4] | |
6.3636±0.0008 h[6][a] | |
0.24 (assumed)[4] 0.6053±0.2264[5] | |
S (assumed)[4] | |
14.2[2][1] 14.21[5][7] 14.3[4] | |
15415 Rika, provisional designation 1998 CA1, is a bright background asteroid from the Florian region of the inner asteroid belt, approximately 3 kilometers (2 miles) in diameter. It was discovered on 4 February 1998, by Japanese astronomer Akimasa Nakamura at the Kuma Kogen Astronomical Observatory in southern Japan.[1] The presumed S-type asteroid has a rotation period of 6.36 hours and possibly an elongated shape.[4] It was named after Rika Akana, a character in the Japanese film and later television adapted drama Tokyo Love Story.[1]
MPC-object
was invoked but never defined (see the help page).jpldata
was invoked but never defined (see the help page).Ferret
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was invoked but never defined (see the help page).Masiero-2017
was invoked but never defined (see the help page).Husarik-2008
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