Hubble finds fifth moon orbiting Pluto (unlabelled)

This image, taken by the NASA/ESA Hubble Space Telescope, shows five moons orbiting the distant, icy dwarf planet Pluto, including a newly discovered moon, designated S/2012 (134340) 1, or P5, as photographed by Hubble’s Wide Field Camera 3 on 7 July 2012.

Other observations that collectively show the moon’s orbital motion were taken on 26, 27 and 29 June and on July 9.

The moon is estimated to be 10 to 25 kilometres across. It is in a 95 000 kilometre diameter circular orbit around Pluto that is assumed to be aligned in the same plane as the other satellites in the system.

The darker stripe in the centre of the image is because the picture is constructed from a long exposure designed to capture the comparatively faint satellites of Nix, Hydra, P4 and S/2012 (134340) 1, and a shorter exposure to capture Pluto and Charon, which are much brighter.

Credit:

NASA, ESA, and M. Showalter (SETI Institute)

About the Image

Id:heic1212b
Type:Observation
Release date:11 July 2012, 18:00
Related releases:heic1212
Size:2220 x 2472 px

About the Object

Name:Charon, Hydra, Nix, P4, Pluto, S/2012 (134340) 1
Type:• Solar System : Interplanetary Body : Dwarf planet
• X - Solar System Images/Videos

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350 nm Hubble Space Telescope
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