Launch Date
October 31, 2025
Launch Site
JSC
Launch Pad
LC43/91
Launch Vehicle
Chang Zheng 2F
NORAD ID
66515
International Designator
2025-246C
Epoch
Sun, 19 Jul 2026 17:59:21 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
41.47°
Right Ascension
104.09°
Eccentricity
Calculating...
Argument of Perigee
249.23°
Period
91.19 min
Mean Motion
15.79 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
SZ-21 MODULE
Alternative Name
N/A
Type
Status
Owner
CMSEO
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
1 66515U 25246C 26200.74955757 .00033870 00000+0 18470-3 0 9994
2 66515 41.4719 104.0943 0009162 249.2257 110.7607 15.79127138 38884
Source: Celestrak
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Length
2.3
Diameter
2.8
Span
4.3
Dry Mass
1500
Launch Mass
1842
Shape
Cyl + 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Shenzhou 21 orbital module
Purpose
Unknown
Mission
Unknown
Manufacturer
CAST
Life Expectancy
Unknown
Bus
Shenzhou OM
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
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