In speculative fiction, inhabited planets will often lack a proper name, instead being designated by the name of the star they orbit and a number. It is almost never the case that the star is referred to by a catalogue number. Natural satellites will also often lack proper names and be identified as "the moon of planet X" or somesuch. Examples of Numbered Homeworld include:
| Graph IRI | Count |
|---|---|
| http://dbkwik.webdatacommons.org | 21 |