Assertion: trojan moon | /r/HasProperty | telesto
Facets:
Source sentences:
text: Tethys has two trojan moons, Telesto (leading) and Calypso (trailing), and
text: Both Tethys and Dione have two trojan moons each, Telesto and Calypso in Tethys's L 4 and L 5 respectively, and Helene and Polydeuces in Dione's L 4 and L 5 respectively.