(416400) 2003 UZ117 (provisional designation 2003 UZ117) is a trans-Neptunian object and suspected member of the Haumea family, located in the Kuiper belt in the outermost region of the Solar System.

It was discovered on 24 October 2003, by astronomers of the Spacewatch survey project at Kitt Peak Observatory, Arizona.

[10][11] It has a spectral type of BB, with a grey/blue rather than red color.

[12] Based on their common pattern of infrared water-ice absorption and the clustering of their orbital elements, the other KBOs, 2003 UZ117 appears to be one of the collisional fragments broken off the dwarf planet Haumea.

The neutral color of the spectrum of these objects in the visible range evidences a lack of complex organics on the surface of these bodies that has been studied in detail for the surface of Haumea.