Adjective
trans-Neptunian (not comparable)
Lying beyond the orbit of the planet Neptune (especially with regard to planetary bodies).
Planet X is a legendary trans-Neptunian world.
All other asteroids are now classified as small Solar System bodies along with comets, centaurs, and the smaller trans-Neptunian objects. Source: Internet
He calculated, based on the fact that four comets possessed aphelia at around 100 AU and a further six with aphelia clustered at around 300 AU, the orbital elements of a pair of hypothetical trans-Neptunian planets. Source: Internet
Discovery of other trans-Neptunian objects After Pluto's discovery, American astronomer Clyde Tombaugh continued searching for some years for similar objects, but found none. Source: Internet
Littmann (1990), p. 204. Today, most astronomers agree that Planet X, as Lowell defined it, does not exist. citation Discovery of further trans-Neptunian objects File:EightTNOs. Source: Internet
However, the terms are normally used to refer to objects free from significant perturbation from Neptune, thereby excluding KBOs in orbital resonance with Neptune ( resonant trans-Neptunian objects ). Source: Internet
In 1900 and 1901, Harvard College Observatory director William Henry Pickering led two searches for trans-Neptunian planets. Source: Internet