Kerberos (moon)
Small natural satellite of Pluto / From Wikipedia, the free encyclopedia
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This article is about the fourth moon of Pluto. It is not to be confused with the asteroid 1865 Cerberus.
Kerberos is a small natural satellite of Pluto, about 19 km (12 mi) in its longest dimension. Kerberos is also the second-smallest moon of Pluto, after Styx. It was the fourth moon of Pluto to be discovered and its existence was announced on 20 July 2011.[1] It was imaged, along with Pluto and its four other moons, by the New Horizons spacecraft in July 2015.[9] The first image of Kerberos from the flyby was released to the public on 22 October 2015.[10]
Quick Facts Discovery, Discovered by ...
Discovery[1] | |
---|---|
Discovered by | Showalter, M. R. et al. |
Discovery date | 28 June 2011 (verified 20 July 2011) |
Designations | |
Designation | Pluto IV |
Pronunciation | /ˈkɜːrbərɒs, -əs/ |
Named after | Κέρβερος Kerberos |
S/2011 (134340) 1 S/2011 P 1[2] | |
Adjectives | Kerberean /kɜːrˈbɪəriən/[3] |
Orbital characteristics[4] | |
57783±19 km[5] | |
Eccentricity | 0.00328 ± 0.00020 |
32.16756±0.00014 d[5] | |
Inclination | 0.389°±0.037° |
Satellite of | Pluto |
Physical characteristics | |
Dimensions | 19 × 10 × 9 km[6] |
Mass | 1.65×1016 kg[notes 1] |
5.31 ± 0.10 d (chaotic)[6] | |
96°[8] | |
Albedo | 0.56 ± 0.05[6] |
26.1±0.3[1] | |
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