Technical Details of China's Lanyue Lunar Module and Its Landing Process The Chinese lunar module Lanyue (揽月), weighing 26 tons, represents the cornerstone of China’s first crewed lunar landing mission, expected within four years. Designed to work with the Mengzhou-Y spacecraft, the Lanyue will transport two astronauts to the lunar surface while a third crew member remains in orbit, following a mission architecture similar to Apollo. The system’s mass is limited by the Long March 10 (CZ-10) rocket, which can place around 27 tons on a trans-lunar trajectory (TLI). The vehicle consists of a Propulsion Module (PM) and a Lunar Module (LM), with the PM bringing the spacecraft into low lunar orbit and performing the braking burn before being discarded in a crasher stage configuration. The PM uses a single YF-58 engine, while the LM relies on four YF-36 variable-thrust engines similar to those of previous Chang’e missions. Lanyue is capable of up to four days of surface operations, carrying 200 kg of consumables for two astronauts. It can wait in lunar orbit for up to a year before descent, offering flexibility for launch scheduling. The landing sequence mirrors Apollo terminology—beginning with Descent Orbit Insertion (DOI), followed by Powered Descent Initiation (PDI) and several phases for orientation, approach, hover, and terminal descent. Advanced navigation tools like lidar, radar, and optical sensors support its fully autonomous system, though manual control is possible if needed. In emergencies, the ascent stage can rendezvous with Mengzhou-Y within 60–90 minutes of takeoff. Tests simulating lunar gravity have already taken place, confirming progress in China’s preparation for crewed lunar return. The mission demonstrates the gradual but steady refinement of Chinese lunar exploration capabilities.

Technical Details of China's Lanyue Lunar Module and Its Landing Process

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Happy birthday Buzz Aldrin, born January 20, 1930.

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Apollo 13’s Lunar Module: From Moon Lander to Unlikely Lifeboat "Explore how Apollo 13's Lunar Module, designed for lunar landing, became a critical lifeboat, saving three astronauts after a catastrophic explosion."

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Digitally restored image of the Apollo 11 Lunar Module ascending from the Moon's surface, with Earth visible in the distance. Taken by Michael Collins from the Command Module in lunar orbit on July 21, 1969, this iconic photo shows the ascent stage over Mare Smythii.

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Apollo 11: Earth, Moon, Spaceship

Source: https://apod.nasa.gov/apod/ap210503.html


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Apollo 17's lunar module, Challenger, in lunar orbit. This awkward-looking ascent stage, photographed from the command module America, shows its reaction control thrusters, ascent engine, lunar surface hatch, and radar antenna. Astronaut Gene Cernan is partially visible through a window. The descent stage remains on the Moon at the Taurus-Littrow landing site. This image depicts the final Apollo Moon landing mission in December 1972.

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Apollo 17's Moonship

Source: https://apod.nasa.gov/apod/ap060107.html


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