apogee
🇺🇸
/ˈæpədʒiː/
🇬🇧
/ˈæpədʒiː/
The highest point of something.
The apogee of her career was winning the national championship.
The farthest point in the orbit of the moon, a planet, or another object in space from the planet it orbits.
During the mission, the spacecraft reached its apogee, which was 400,000 kilometers from Earth.