(181708) 1993 FW

It was discovered in 1993 by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Hawaii.

[5] Following its discovery it was nicknamed "Karla" after a character by John le Carré by its discoverers[6] and was hailed as that of a new planet.

[7] Mike Brown lists it as possibly a dwarf planet on his website.

[8] Over one thousand bodies were found in a belt orbiting between about 30-50 AU from the Sun in the twenty years (1992-2012), after finding 1992 QB1 (named in 2018, 15760 Albion), showing a vast belt of bodies more than just Pluto and Albion.

[10] The mid-1990s were a time when the new region "came to life", triggering a retrospective of various predictions about second asteroid or comet belts in the outer solar system.