- APOGEE is when the moon is at its GREATEST distance from earthΒ
- PERIGEE is when the moon is at its SMALLEST distance from earth
- APHELION is when the earth is at its GREATEST distance from the sun
- PERIHELION is when the earth is at its SMALLEST distance from the sun
- APOAPSIS is when any object orbiting a center of mass is at its GREATEST distance from the center
- PERIAPSIS is when any object orbiting a center of mass is at its SMALLEST distance from the center
learn π the πΒ differenceΒ πππππ