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Long March 8

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Long March 8

Long March 8 (Chinese: 长征八号运载火箭) is an orbital launch vehicle developed by the China Academy of Launch Vehicle Technology to launch up to 5000 kg to a 700 km altitude Sun-synchronous orbit (SSO).

The rocket is based on the Long March 7 with its dual engine first stage and single engine boosters, along with the existing liquid hydrogen burning third stage of the Long March 3A/3B/3C and 7A as its second stage. Whereas the LM-7 uses 4 boosters, the LM-8 normally uses just 2. The boosters are omitted in the "core only" variant that first flew on its second launch in February 2022.

A planned future launch vehicle variant of the Long March 8 will be partially reusable by featuring a combined booster recovery of the first stage and the boosters as a single unit.

The maiden flight of the Long March 8 was launched on 22 December 2020 from the Wenchang Spacecraft Launch Site.

The "core only" variant first flew in February 2022.

An upgraded version of the Long March 8, the Long March 8A (Chinese: 长征八号甲运载火箭), has successfully debuted on February 11, 2025 with increased capability of up to 7 tonnes to a 700 km altitude sun-synchronous orbit. It implements a larger 3.35 meters diameter liquid hydrogen/liquid oxygen second stage, coupled with 2 upgraded version of the YF-75D engines (known as the YF-75H) with increased thrust to 10 tonnes each through measures such as increased turbopump speeds. The Long March 8A can also use a larger 5.2 meters diameter payload fairing.

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