(astronomy) Any natural object (usually a minor planet (asteroid) or a hypothetical planet) in the Solar System with all or most of its orbit outside the orbit of planet Neptune

(astronomy) A type of trans-Neptunian object (TNO) (a certain type of minor planet) that has an orbit in the Kuiper belt (between 30-50 AU) with inclinations consistent with the ecliptic.

(astronomy) A small Solar System body (ie. asteroid, comet, or large meteoroid) whose orbit brings it into proximity with Earth's orbit.

(astronomy) a small, bright knot of nebular emission in a dark, interstellar cloud of gas and dust; thought to be mass ejected from a young star

(Internet) A cross-platform, language-independent convention for representing and interacting with objects in HTML, XHTML and XML documents.

plural of unidentified flying object

(programming) A programming paradigm that uses "objects" to design applications and computer programs.

Alternative spelling of object-oriented programming

plural of Kuiper belt object

plural of BL Lac object