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Kerberos
Pluto-moon-kerberos
Adjective(s) Unknown
Orbital properties
Aphelion/apoapsis Unknown
Perihelion/periapsis Unknown
Semi-major axis Unknown
Orbital eccentricity ≈ 0
Orbital period 32.1±0.3 d
Average orbital speed Unknown
Physical properties
Radius Unknown
Mass Unknown
Mean density Unknown
Escape velocity Unknown
Rotation period Unknown
Average surface temperature Unknown
Apparent magnitude 26.1±0.3
Moons 0

Kerberos is a small natural satellite of the planet Pluto.

HistoryEdit

On June 28, 2011 Mark Showalter discovered the moon, and on July 20, 2011 his finding was published.

NameEdit

  • It was named after Cerberus, a dog in Greek mythology.
  • Kerberos was formerly known as S/ 2011 P1, or simply P4.
  • The name was going to be called Cerberus but there was already an asteroid called that.
  • In 2013, a vote was held to name the two new moons of Pluto. The winner was Vulcan, but Vulcan was already the name of a fake planet between Mercury and the sun, so the second and third names were chosen.
  • In addition to the name Vulcan already in use, it didn't relate to the underworld theme that Pluto and its moons all follow.
  • The name Vulcan was suggested by William Shatner,  the actor that plays Captian Kirk in Star Trek,  because it was the name of a planet in Star Trek. He also suggested Romulus, but it was discarded as an asteroid was already named that.

TriviaEdit

  • Kerberos orbits Pluto every 32 days.
  • It was discovered about a year before Styx.
  • Kerberos is between 13 and 32 km in diameter.
  • It is the second smallest moon of Pluto, next to Styx.


Moons of Pluto
CharonNixHydraKerberosStyx

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