Category Archives: LUPEX

Tuesday / 9 September 2025

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World-Leading Spacefaring Countries Japan and India Working Toward Human Lunar Presence

India-Japan lunar collaboration advances through Tokyo summit with prime ministers, and signing of LuPEX Implementing Arrangement by JAXA VP Mayumi Matsuura and India Ambassador Sibi George; Chandrayaan-5 / LuPEX mission, duration 100-365 days, targets water ice at Moon south pole with ~6,000kg India lander carrying ~350kg JAXA rover via NET 2028 launch on JAXA H3-24L rocket; builds on Chandrayaan-3 Statio Shiv Shakti landing ~69°S and Chandrayaan-4 sample return NET 2027; new phase in space cooperation exemplified by commercial agreement between ispace Japan (~US$130m equity funding) and startup Digantara of India (~US$16m) to build cislunar infrastructure promoting sustained human presence on Moon

Image Credits: Office of the Prime Minister – India, JAXA, NASA

Tuesday / 22 October 2024

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ISRO Aims to Confirm Lunar Water with Chandrayaan 4 / 5 Moon Landers

P Veeramuthuvel of ISRO reports Chandrayaan 4 to launch NET 2027-2028 for surface / sub-surface sample return, landing 85-90° S in region where permanently shadowed regions (PSRs) are hoped to harbor water ice, will need 2 launches / remote docking in orbit; Chandrayaan 5, ISRO-JAXA collaboration now called LUPEX flies NET 2028-2029, 6,000-kg lander taking rover precisely to 89.45° S / 222.85° E on ridge between Shackleton / de Gerlache craters near PSRs, similar to China Chang’E-7 / abandoned VIPER missions, surviving lunar night is core goal, likely to use same Americium-352 radioisotope heater units (RHUs) as Chandrayaan 3

Credits: Arizona State University, ISRO, JAXA, IAF