NASA's Artemis II Mission Conducts Lunar Flyby, Surpassing Apollo 13 Distance Record

NASA's Artemis II mission reached its closest approach to the moon on April 6, 2025, with four astronauts aboard the Orion spacecraft traveling farther from Earth than any previous human mission. m. ET. This marks the first time humans have left low Earth orbit since the Apollo program ended in 1972.

m. m. ET. During approximately five to seven hours of observation, the crew used three Nikon cameras with varying zoom lenses to photograph lunar features such as impact craters, ancient lava flows, surface cracks, and ridges. They provided live descriptions to scientists at NASA's Johnson Space Center several times per hour.

The Orion spacecraft approached within 4,070 miles of the moon's surface, higher than the Apollo missions' 70-mile altitude, allowing the crew to view the entire lunar disk, including both poles and the far side. The far side, never visible from Earth due to tidal locking, includes features like the Orientale basin, a 600-mile-wide crater formed 3.8 billion years ago.

The crew became the first humans to observe the fully illuminated Orientale basin with the naked eye.

“— Dr. Kelsey Young, NASA Science Mission Directorate lead, April 6, 2025 (CNN)”

The mission targeted 30 specific lunar features for observation and documentation. This data and photographs will inform NASA's plans for future missions, including potential human landings as early as 2028.

ET, the spacecraft exceeded the Apollo 13 distance record set in 1970 during its emergency return. m. ET, as Orion passed behind the moon, blocking signals to NASA's Deep Space Network. Contact resumed upon reemergence, similar to blackouts in Artemis I and Apollo missions.

Near the flyby's end, the astronauts observed a total solar eclipse for about one hour, with the moon aligning between the sun and Orion. This allowed study of the sun's corona and detection of light flashes from potential meteoroid impacts on the lunar surface, assessing hazards for future landings.

Since launching on April 1, 2025, the mission has completed several objectives, including stunning views from beyond Earth orbit. The crew encountered minor onboard issues, such as toilet malfunctions, but these did not impact the flyby.

II serves as a test flight for Orion, validating systems for deep space travel. No landing occurs on this mission, focusing instead on flyby data collection. The program aims to establish sustainable lunar presence, building on uncrewed Artemis I in 2022.

The crew's observations provide the first human eyewitness accounts of certain lunar far-side details, complementing robotic missions. NASA anticipates this data will enhance understanding of lunar geology and support the Artemis program's goal of returning humans to the moon.