ispace conducted extensive field testing of landing sensors in lunar-like environments at multiple locations around the world prior to RESILIENCE’s launch.
ispace utilized five of ESA’s Estrack network ground stations to command and receive telemetry from RESILIENCE throughout its mission.
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ispace Japan’s RESILIENCE crashed into the Moon during its landing attempt on June 6.
RESILIENCE began its descent to the lunar surface from a circular orbit of approximately 100 kilometers altitude.
RESILIENCE’s laser rangefinder provided correct altitude readings only later in the descent around one kilometer above the lunar surface.
ispace Japan’s Chief Technology Officer Ryo Ujiie reported that RESILIENCE used a different laser rangefinder than on the first mission because the vendor had discontinued the earlier model.
RESILIENCE had not slowed sufficiently by the time it approached the Moon’s surface and therefore crashed instead of performing a soft landing.
ispace’s first lunar lander Hakuto-R crashed during its landing attempt about two years before RESILIENCE.
The 5-kilogram TENACIOUS micro-rover built by ispace Europe under an ESA contract with funding aid from the Luxembourg Space Agency was lost when RESILIENCE crashed.
ispace Japan’s second Moon lander RESILIENCE launched in January with the aim of a Moon landing.
ispace targets June 5 at 19:24 UTC as the Moon landing date and time for the RESILIENCE lander.
ispace plans to begin RESILIENCE's descent to the lunar surface from its current circular orbit at approximately 100 kilometers altitude, which is higher than Chandrayaan-3's 30-kilometer and Firefly's Blue Ghost 20-kilometer descent start altitudes.
RESILIENCE launched in January on a SpaceX Falcon 9 rocket and followed a multi-month low-energy trajectory to the Moon.
RESILIENCE entered lunar orbit on May 7 with a roughly nine-minute main engine burn.
ispace Japan's second Moon lander RESILIENCE circularized its lunar orbit on May 28 with a roughly 10-minute main engine burn.
Japan's ispace will land its Resilience lander on the Moon in early June 2025.
Resilience is another commercial lander that shared a ride with Blue Ghost 1 during its launch.
The Falcon 9 will also carry HAKUTO-R M2, or Resilience, the second lunar lander by Japanese company ispace.
Resilience is carrying a set of commercial payloads.