Tianzhou

Active
CASC
CASC

Overview

China's automated cargo spacecraft, delivering pressurized and unpressurized supplies, propellant, and experiment payloads to the Tiangong space station; built by CAST and rated the world's most capable active cargo spacecraft by transport capacity.

Operational since Tianzhou 1's April 2017 debut, launched on the Long March 7 from Wenchang on a roughly six-month resupply cadence. Tianzhou 10 delivered about 7 tonnes of supplies, experiments, and equipment to Tiangong on May 11, 2026, docking the same day.

Key Specs

Payload Capacity

~7,400 kg (improved variant)

Length

10.6 m (35 ft)

Diameter

3.35 m (11 ft)

Launch Vehicle

Long March 7

First Flight

April 2017 (Tianzhou 1)