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CASC · Operational · cn · Launch Vehicle

Long March 5

China's heaviest operational rocket; supports lunar, deep-space, and space-station missions.

Verified 2026-06-17 · First flight 2016-11-03

Operator page

Systems cutaway

Systems
Long March 5 — systems cutaway schematicPropulsion
2× YF-77 LOX/LH2 core engines + 4× YF-100 kerosene/LOX strap-on boosters; 10,573 kN liftoff thrust; YF-75D upper stage.
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Structures
5 m diameter core; 56.97 m height; four large kerosene strap-ons.
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Long March 556.97 m
Propulsion

2× YF-77 LOX/LH2 core engines + 4× YF-100 kerosene/LOX strap-on boosters; 10,573 kN liftoff thrust; YF-75D upper stage.

Structures

5 m diameter core; 56.97 m height; four large kerosene strap-ons.

Specs & Metrics

Payload to LEO ↑ better
25,000 kg
Maximum payload mass deliverable to low Earth orbit (~200–400 km circular), in the vehicle's stated reference configuration.
Payload to GTO ↑ better
14,000 kg
Maximum payload mass deliverable to geostationary transfer orbit (~185 × 35,786 km), in the stated reference config.
Liftoff Thrust ↑ better
10573 kN
Total first-stage thrust at liftoff (sea-level), in kilonewtons, summing all active engines and solid strap-ons.
Liftoff Mass ↓ better
869 t
Total vehicle mass at liftoff including propellant, payload, and all stages, in metric tonnes.
Vehicle Height ↓ better
57.0 m
Full stack height at liftoff, in metres, including fairing or spacecraft.
Launches in 2025 ↑ better
3
Total number of launch attempts conducted in calendar year 2025 (Jan 1 – Dec 31 UTC).

Subsystems

propulsion

2× YF-77 LOX/LH2 core engines + 4× YF-100 kerosene/LOX strap-on boosters; 10,573 kN liftoff thrust; YF-75D upper stage.

structures

5 m diameter core; 56.97 m height; four large kerosene strap-ons.