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TIANHUI 4B (50573)
COSPAR: 2021-134B | Alt Name: Tianhui-4 02
Image
Additional Sources
Launch Details
Launch Date
December 29, 2021
Launch Site
JSC
Launch Pad
LC43/94
Launch Vehicle
Chang Zheng 2D
Orbital Elements
NORAD ID
50573
International Designator
2021-134B
Epoch
Sun, 19 Jul 2026 20:03:09 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
88.97°
Right Ascension
318.06°
Eccentricity
Calculating...
Argument of Perigee
321.95°
Period
93.09 min
Mean Motion
15.47 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
TIANHUI 4B
Alternative Name
Tianhui-4 02
Type
Payload
Status
Operational
Owner
GCDX
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50573U 21134B 26200.83552830 .00005324 00000+0 10521-3 0 9990
2 50573 88.9735 318.0553 0005346 321.9487 38.1395 15.46900563254884
Source: Celestrak
Summary
TIANHUI 4B (ALT_NAME: Tianhui-4 02) is an Earth observation satellite launched on December 29, 2021, from the Jiuquan Satellite Launch Center's LC43/94 pad using a Chang Zheng 2D launch vehicle. The spacecraft, based on the CAST-2000 bus and manufactured by DFHZ, has dimensions of 1 meter in length and diameter with a span of 3 meters and carries a dry mass of 1000 kg. It is equipped with solar cells and batteries for power generation. Owned by GCDX, TIANHUI 4B is designed to operate as part of an Earth observation mission and has a box shape with two panels.
Physical Characteristics
Length
1
Diameter
1
Span
3
Dry Mass
1000
Launch Mass
1000
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tianhui-4 subsat
Purpose
Earth observation
Mission
Earth observation
Manufacturer
DFHZ
Life Expectancy
Unknown
Bus
CAST-2000
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, 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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