| 释义 |
plutino
plu·ti·no P0385525 (plo͞o-tē′nō)n. pl. plu·ti·nos A trans-Neptunian Kuiper belt object that orbits the Sun in the same time period as Pluto, making exactly two orbits for every three orbits of Neptune.
[Plut(o) + -ino, diminutive suff. (as in neutrino).]Translations
plutino
plutino[plü′tē·nō] (astronomy) A member of the Kuiper Belt that, like Pluto, is protected from close encounters with Neptune because its period is 3/2 Neptune's period. |