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Shenzhou 21

retired
Human SpaceflightLEOCOSPAR 2025-246ALaunched 10/31/2025
Admin Edit
Mission & Launch
Launch Mission
Shenzhou 21 Mission
Launch Vehicle
Long March 2F G
Launch Date
10/31/2025
Last Contact
11/14/2025
Orbit & Mass
Orbit Class
LEO
Altitude
387.5 km
Inclination
41.47 deg
Dry Mass
3,258 kg
Total Mass
8,100 kg
Payload Classification
Mission Type
Human Spaceflight
Payload Category
SS
Payload Class
C
Organizations
Operator
China Manned Space Agency (CMSA)
Manufacturer
China Academy of Launch Vehicle Technology (CALT)
Registry
COSPAR ID
2025-246A
Track
Mentions
345
All verified mentions of this spacecraft in source documents.
0.0-5.0
Actions

The Shenzhou-21 crew completed checks and maintenance of regenerative life support system equipment and performed cabin environment cleaning and upkeep.

CapabilityValue 3.0Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

Shenzhou-21 taikonaut Zhang Lu previously flew on the Shenzhou-15 mission between November 2022 and June 2023.

Governance
Page7of18
Value 1.6
Feb 16, 2026
Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 experiments map parameters across different movement states to plantar pressure and characterize changes in muscle-tendon interactions.

CapabilityGeneralValue 3.5Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew conducted on-orbit electroencephalography experiments using near-infrared brain functional imaging equipment to study time-varying characteristics of brain networks in space.

CapabilityGeneralValue 4.5Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew used laptops to conduct microgravity intuitive physics behavior experiments to acquire behavioral data on intuitive physical representations.

CapabilityValue 3.8Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 neuroimaging experiments investigate effects of long-term spaceflight on taikonauts’ brain functional networks and brain spontaneous adjustment and adaptation mechanisms.

CapabilityGeneralValue 3.0Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

In microgravity physics tasks, the Shenzhou-21 crew replaced a sample in the fluid physics cabinet and replaced a plug-in in the combustion cabinet.

CapabilityGeneralValue 3.0Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

In microgravity physics tasks, the Shenzhou-21 crew cleaned the spherical sample in the containerless cabinet and maintained the motor of the axis mechanism.

GeneralCapabilityValue 4.0Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew is conducting on-orbit training and microgravity intuitive physics behavior experiments simultaneously aboard the Tiangong Space Station.

CapabilityGeneralValue 3.2Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew cleaned the lens of the viewing window cover as part of microgravity physics maintenance.

CapabilityValue 1.8Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew wore bionic viscoelastic vests to complete lower-limb muscle stimulation tests and collect related data.

CapabilityValue 4.0Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew replaced foot restraints inside the cabin to help taikonauts stabilize body posture in microgravity.

CapabilityGeneralValue 3.5Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew collects data on plantar pressure, joint kinematics, and muscle parameters related to motion imagery during activities like running under varying load conditions.

CapabilityGeneralValue 2.8Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew actively engaged in physical exercise while aboard the Tiangong Space Station.

GeneralCapabilityValue 1.9Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew carried out scheduled medical examination items such as clearance tests and quality measurements to monitor health and physiological changes.

GeneralValue 3.0Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew used an original cognitive training system to complete image recognition and operation tests under different initial conditions.

CapabilityValue 3.6Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew is conducting musculoskeletal loading research during spaceflight using plantar pressure sensors and patch-type ultrasound devices.

CapabilityGeneralValue 4.0Feb 16, 2026Shenzhou-21 Taikonauts Prepare for Spring Festival Onboard Tiangong

The Shenzhou-21 crew performed maintenance on the motor mechanism of an experiment rack and cleaned window cover lenses.

GeneralCapabilityValue 3.0Feb 1, 2026Shenzhou-21 Taikonauts Conduct Health Related Experiments and Tests

During the week, the Shenzhou-21 crew conducted aerospace medicine experiments including biological sample collection for return to Earth and data collection to inform in-orbit medication guidance.

CapabilityGeneralValue 3.6Feb 1, 2026Shenzhou-21 Taikonauts Conduct Health Related Experiments and Tests

The Shenzhou-21 crew completed human-machine coordination, space utilization research, metacognitive monitoring research, on-orbit emotional state testing, and an emergency decision-making capability assessment using laptops and experimental software.

CapabilityGeneralValue 3.5Feb 1, 2026Shenzhou-21 Taikonauts Conduct Health Related Experiments and Tests