File:Nix_best_view.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as (134340) Pluto II, Pluto II, S/2005 P 2
natural satellite of the dwarf planet Pluto
Nix is a small moon that orbits the dwarf planet Pluto in the outer reaches of our solar system. It was discovered in 2011 and is notable as one of several moons around Pluto, helping scientists understand the complex system of objects that surround this distant world.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Instance of
- moon of Pluto
- Named after
- Nyx
- Official name
- (134340) Plutó II
- Parent body
- Pluto
- Radius
- 46.5
- Orbital period
- 24.854943
- Image
- Nix best view-true color.jpg
Show 16 more facts
- temperature
- 33
- site of astronomical discovery
- Hubble Space Telescope
- Commons category
- Nix
- time of discovery or invention
- 2005-05-15
- discoverer or inventor
- Hubble Space Telescope
- provisional designation
- S/2005 P 2
- semi-major axis of an orbit
- 48694
- orbital eccentricity
- 0.0023
- orbital inclination
- 0.133
- albedo
- 0.350
- density
- 1.37
- apparent magnitude
- 23.38
- IPA transcription
- nɪks
- periapsis
- 48590
- apoapsis
- 48790
- absolute magnitude
- 8.28
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Encyclopedic overview
Nix, formal designation (134340) Pluto II, is a natural satellite of Pluto, with a diameter of 49.8 km (30.9 mi) across its longest dimension. It was discovered along with Pluto's outermost moon Hydra on 15 May 2005 by astronomers using the Hubble Space Telescope, and was named after Nyx, the Greek goddess of the night. Nix is the third moon of Pluto by distance, orbiting between the moons Styx and Kerberos.
Nix was imaged along with Pluto and its other moons by the New Horizons spacecraft as it flew by the Pluto system in July 2015. These images reveal a large reddish area on Nix that is likely an impact crater.
Excerpted from Wikipedia’s “Nix” article, available under the CC BY-SA 4.0 licence.
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