transneptunian.

Situated beyond Neptune’s orbit, especially of a Solar System object with a larger orbital semimajor axis.

Use it for

Words that belong together

• a transneptunian object
• transneptunian population

On the page

A transneptunian object crossed the detector’s field.

The mission targeted the transneptunian population beyond the known route.

Usage notes

Primary category: sci-fi. Forms: Relational adjective; comparative and superlative normally not used. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.