Periselene (Noun)
Meaning
Periapsis in orbit around the moon.
Classification
Nouns denoting spatial position.
Examples
- The spacecraft's perilune, or periselene, occurred when it was about 100 kilometers above the lunar surface.
- Astronomers calculated the periselene of the satellite to ensure it would not crash into the moon.
- During its orbit around the moon, the probe's periselene was approximately 200 kilometers above the lunar regolith.
- To gather accurate data, the spacecraft had to be positioned precisely at its periselene over the moon's south pole.
- Mission control adjusted the satellite's trajectory to lower its periselene and increase the resolution of its lunar surface scans.