Neptunian
41Makemake (dwarf planet) — Makemake Makemake as seen by the Hubble Space Telescope Discovery Discovered by …
42IAU definition of planet — This article is about the formal definition established in 2006. For prior usage, see Definition of planet. The definition of planet set in 2006 by the International Astronomical Union (IAU) states that, in the Solar System, a planet is a… …
43Detached object — Trans Neptunian objects beyond 100AU: SDO (in grey) and detached objects (in white) Detached objects are a dynamical class of bodies in the outer Solar System beyond the orbit of Neptune. These objects have orbits whose points of closest approach …
44Moons of Neptune — Neptune (top) and Triton (bottom), three days after the Voyager 2 flyby Neptune has thirteen known moons, by far the largest of whi …
4590482 Orcus — Discovery[1] Discovered by M. Brown, C. Trujillo, D …
46Asteroid — For the arcade video game, see Asteroids (video game). For other uses, see Asteroid (disambiguation). A composite image, to scale, of the asteroids that have been imaged at high resolution. As of 2011 they are, from largest to smallest: 4 Vesta,… …
47Triton (moon) — Triton Voyager 2 photomosaic of Triton s sub Neptunian hemisphere. The bright, slightly pinkish, south polar cap at bottom is composed of nitrogen and methane ice and is streaked by dust deposits left by nitrogen gas geysers. The mostly darker… …
48Rings of Neptune — The scheme of Neptune s ring moon system. Solid lines denote rings; dashed lines denote orbits of moons. The rings of Neptune consist primarily of five principal rings predicted in 1984 by André Brahic and imaged in 1989 by the Voyager 2… …
49Eris (dwarf planet) — Eris   Eris (centre) and Dysnomia (left of centre). Hubble Space Telescope …
50Minor planet moon — 243 Ida and its moon Dactyl as imaged by the Galileo spacecraft in 1993 …
