Space Brief 21 Jul 2025
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TIANLIAN 2-02 (50005)
COSPAR: 2021-124A | Alt Name: Tian Lian 2-02
Image
Additional Sources
Launch Details
Launch Date
December 13, 2021
Launch Site
XICLF
Launch Pad
LC3
Launch Vehicle
Chang Zheng 3B
Orbital Elements
NORAD ID
50005
International Designator
2021-124A
Epoch
Mon, 20 Jul 2026 07:03:31 GMT
Apogee
Calculating...
Perigee
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Inclination
0.89°
Right Ascension
85.62°
Eccentricity
Calculating...
Argument of Perigee
159.24°
Period
1436.10 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
TIANLIAN 2-02
Alternative Name
Tian Lian 2-02
Type
Payload
Status
Operational
Owner
CAST
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50005U 21124A 26201.29411167 -.00000017 00000+0 00000+0 0 9999
2 50005 0.8856 85.6215 0001517 159.2386 330.0425 01.00271828 16951
Source: Celestrak
Summary
TIANLIAN 2-02 (Tian Lian 2-02) is a communication satellite based on the DFH-4 Bus configuration and manufactured by CAST in China. It was launched on December 13, 2021, from the Xichang Satellite Launch Center using Chang Zheng 3B launch vehicle from LC3 pad. The satellite has dimensions of 6 meters in length, 2.5 meters in diameter, and a span of 20 meters. It weighs around 5000 kg at launch with a dry mass of 2000 kg. Its power system includes two deployable solar arrays and batteries. TIANLIAN 2-02 is equipped for communication purposes and uses the FY-25 motor. The satellite has a box shape complemented by two panels and a dish antenna, but details on its attitude control or transmitter frequencies are not provided.
Physical Characteristics
Length
6
Diameter
2.5
Span
20
Dry Mass
2000
Launch Mass
5000
Shape
Box + 2 Pan + Dish
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tianlian-2 02 xing
Purpose
Communication
Mission
Communication
Manufacturer
CAST
Life Expectancy
Unknown
Bus
DFH-4
Configuration
DFH-4 Bus
Motor
FY-25
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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