Apollo group

Alternative definitions (0), class: vernacular (0)
Term: Apollo group
Definition:

A member of a class of near-Earth asteroids (NEAs) that have orbital semi-major axes greater than that of the Earth (> 1 astronomical unit) but perihelion distances less than the Earth's aphelion distance (less than 1.017 AU); thus, they cross the Earth's orbit when near the perihelia of their orbits. They are named for the prototype Apollo.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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