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CSS (TIANHE) (48274)
COSPAR: 2021-035A | Alt Name: Tianhe
Image
Additional Sources
Launch Details
Launch Date
April 29, 2021
Launch Site
WSC
Launch Pad
LC201
Launch Vehicle
Chang Zheng 7
Orbital Elements
NORAD ID
48274
International Designator
2021-035A
Epoch
Fri, 03 Jul 2026 05:28:28 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
41.47°
Right Ascension
224.36°
Eccentricity
Calculating...
Argument of Perigee
262.12°
Period
92.43 min
Mean Motion
15.58 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
CSS (TIANHE)
Alternative Name
Tianhe
Type
Payload
Status
Operational
Owner
CMSEO
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48274U 21035A 26184.22810215 .00007882 00000-0 10678-3 0 9998
2 48274 41.4672 224.3616 0002880 262.1202 97.9309 15.57904594296214
Source: Celestrak
Summary
The CSS (TIANHE), also known as Tianhe, is a space station module launched by China on April 29, 2021, from Wenchang Spacecraft Launch Site using the Chang Zheng 7 launch vehicle. The module measures 16.6 meters in length and has a diameter of 4.2 meters with a span of 30 meters. It has a dry mass of 20,838 kilograms and was launched with a total mass of 21,500 kilograms. Tianhe is equipped with two deployable solar arrays and batteries for power generation. The module’s purpose is to serve as the core cabin storage component of China's space station and has an expected operational lifetime of 10 years. It was manufactured by CAST and owned by CMSEO.
Physical Characteristics
Length
16.6
Diameter
4.2
Span
30
Dry Mass
20838
Launch Mass
21500
Shape
Step Cyl + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tianhe hao hexin cang
Purpose
Space station
Mission
Space station
Manufacturer
CAST
Life Expectancy
10 years
Bus
Tianhe
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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