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Styx is the second-closest known satellite to Pluto, and the fifth discovered. It was discovered one year after Kerberos. Styx is approximately 16 km (9.9 mi) across its longest dimension, and its orbital period is 20.1 days.
Styx. This Long Range Reconnaissance Imager (LORRI) composite image of Pluto’s smallest moon, Styx, was taken July 14, 2015, when the New Horizons spacecraft was 391,000 miles (631,000 kilometers) from the tiny moon. The image reveals a highly-elongated satellite, roughly 4.5 miles [7 kilometers] across in its longest dimension and 3 miles [5 ...
Discovery image of Styx, overlaid with orbits of the satellite system. Pluto's four small circumbinary moons orbit Pluto at two to four times the distance of Charon, ranging from Styx at 42,700 kilometres to Hydra at 64,800 kilometres from the barycenter of the system.
Moons of Pluto. Pluto has five moons. Its largest moon, Charon, is about half the size of Pluto, making it the largest known moon relative to its parent planet in our solar system. Pluto's other moons are: Nix, Hydra, Kerberos, and Styx. Facts About Pluto's Moons.
28 de jun. de 2011 · Pluto's moon system – Charon, Nix, Hydra, Styx, and Kerberos – is believed to have formed after a collision between Pluto, and another Kuiper Belt Object early in the history of the solar system. The smashup flung material that coalesced into the family of satellites observed around Pluto.
10 de nov. de 2015 · Styx's pole is sideways (with an inclination of 82 degrees), and Nix's pole is oriented 132 degrees from Pluto's equatorial plane, meaning that it rotates "backwards". Not only that, but its rotation rate has increased by 10% since its discovery.
12 de may. de 2015 · May 12, 2015. Image Article. For the first time, NASA’s New Horizons spacecraft has photographed Kerberos and Styx – the smallest and faintest of Pluto’s five known moons. It’s a complete Pluto family photo – or at least a photo of the family members we’ve already met.
