Dictionary

NEO en · NOUN

Meanings

1. (abbreviation, alt-of, countable, initialism) Initialism of near-Earth object.
   alt of near-Earth object
   • Near-Earth objects (NEOs) that follow horseshoe paths, and approach our planet at close range and low relative velocity, may undergo mini-moon events in which their geocentric energy becomes negative for hours, days or months, but without completing one revolution around Earth while bound. An example of NEO experiencing such a temporarily captured flyby is 2022 NX₁, which was a short-lived mini-moon in 1981 and 2022. 2024 September, Carlos de la Fuente Marcos, Raúl de la Fuente Marcos, “A Two-month Mini-moon: 2024 PT₅ Captured by Earth from September to November”, in Research Notes of the AAS, American Astronomical Society, →DOI:
2. (abbreviation, acronym, alt-of, countable, uncountable) Acronym of new engine option.
   alt of new engine option

Forms

Coordinates

PHO (near-Earth object)

Hypernyms

SSSB (near-Earth object) · MP (near-Earth object)

Hyponyms

NEA (near-Earth object) · NEC (near-Earth object)

Relateds

CEO (new engine option)