Roman moon, Greek moon
The term "perilune" refers to the point in a spacecraft's orbit when it is closest to the moon. This term is sometimes called "periselene," with both terms having different linguistic origins.
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Artemis II is NASA's first crewed mission to orbit the Moon since Apollo, marking a significant step in returning humans to lunar exploration. The mission will test systems for future lunar landings and establish a sustainable presence on the Moon.
The Artemis II mission, which will carry astronauts around the Moon without landing, is not designed for significant lunar science. Its primary purpose is to demonstrate human spaceflight capabilities and test systems for future Artemis missions.