TERMIUM Plus®

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MOID [2 records]

Record 1 2023-01-10

English

Subject field(s)
  • Practical Astronomy
DEF

[A] measure used in astronomy to assess potential close approaches and collision risks between astronomical objects.

French

Domaine(s)
  • Astronomie pratique
DEF

[...] mesure du risque de collision entre des objets astronomiques.

Spanish

Campo(s) temático(s)
  • Astronomía práctica
CONT

La distancia mínima de intersección orbital o MOID (siglas en inglés de Minimum orbit intersection distance) es una medida usada en astronomía para evaluar el riesgo de colisión entre objetos astronómicos.

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Record 2 2020-05-14

English

Subject field(s)
  • Astronomy
  • Astronautics
CONT

Potentially hazardous asteroids(PHAs) are currently defined based on parameters that measure the asteroid's potential to make threatening close approaches to the Earth. Specifically, all asteroids with an Earth Minimum Orbit Intersection Distance(MOID) of 0. 05 au [astronomical unit] or less and an absolute magnitude(H) of 22. 0 or less are considered PHAs.

French

Domaine(s)
  • Astronomie
  • Astronautique
CONT

Sont qualifiés d'astéroïdes potentiellement dangereux (en anglais potentially hazardous asteroids ou PHA), les corps célestes de plus de 150 mètres qui, au cours de leur orbite, peuvent s'approcher de la Terre à moins de 7 millions de kilomètres (19,5 fois la distance Terre-Lune).

Spanish

Campo(s) temático(s)
  • Astronomía
  • Astronáutica
OBS

Asteroides con más de 150 metros de diámetro y que llegan a estar a 0,05 unidades astronómicas de la Tierra (el equivalente a 7.479.893.535 metros).

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