Outer-grazer is a scheme of Sun Orbits, linked in with Inner-grazer. All six diagrams show the Sun in the middle (the orange dot) and a putative planet's orbital band (in yellow). The latter is a ring whose inner radius is the planet's perihelion and its outer radius the aphelion.

  • Middle column, bottom: The minor planet's orbit enters the planet's from outside without traversing it —it is outer-grazer.

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