Astronomical objects discovered in 2003

dwarf planet in the outermost Solar system

moon of Jupiter

moon of Jupiter

moon of Neptune

moon of Jupiter

natural satellite of Jupiter

Eukelade , also known as ', is a retrograde irregular satellite of Jupiter. It was discovered by a team of astronomers from the University of Hawaiʻi led by Scott S. Sheppard in 2003, and received the temporary designation '.

moon of Uranus

moon of Jupiter

moon of Jupiter

moon of Jupiter

moon of Jupiter

moon of Jupiter

moon of Jupiter

moon of Jupiter

moon of Uranus

moon of Jupiter

natural satellite of Jupiter

moon of Jupiter

natural satellite of Jupiter

moon of Jupiter

moon of Uranus

moon of Jupiter

moon of Jupiter

moon of Jupiter

moon of Jupiter

moon of Saturn

one of the largest known structures in the universe

trans-Neptunian object

M-type red dwarf in the constellation Aries

asteroid

disputed irregular galaxy located near the constellation Canis Major

Dimorphos (formal designation (65803) Didymos I; provisional designation S/2003 (65803) 1) is a natural satellite or moon of the near-Earth asteroid 65803 Didymos, with which it forms a binary system. The moon was discovered on 20 November 2003 by Petr Pravec in collaboration with other astronomers worldwide. Dimorphos has a diameter of across its longest extent.

trans-Neptunian object binary system

trans-Neptunian object

Near-Earth object

asteroid

trans-Neptunian object

trans-Neptunian object

asteroid

asteroid

asteroid

trans-Neptunian object

asteroid

asteroid

minor planet

galaxy in constellation Andromeda

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid

asteroid