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TIANHUI 4A (50572)
COSPAR: 2021-134A | Alt Name: Tianhui-4 01
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
50572
International Designator
2021-134A
Epoch
Sun, 19 Jul 2026 20:02:37 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
88.97°
Right Ascension
318.08°
Eccentricity
Calculating...
Argument of Perigee
313.69°
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 4A
Alternative Name
Tianhui-4 01
Type
Payload
Status
Operational
Owner
GCDX
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50572U 21134A 26200.83515675 .00004968 00000+0 98115-4 0 9994
2 50572 88.9737 318.0759 0005519 313.6871 46.3931 15.46899389254914
Source: Celestrak
Summary
TIANHUI 4A, also known as Tianhui-4 01, is an Earth observation satellite launched by GCDX on December 29, 2021, from Jiuquan Satellite Launch Center (JSC) using a Chang Zheng 2D launch vehicle. The spacecraft has dimensions of 1 meter in length and diameter with a span of 3 meters and has a dry mass of 1000 kg. It is based on the CAST-2000 bus, manufactured by DFHZ, and powered by solar cells and batteries. TIANHUI 4A is designed for Earth observation purposes and features a box shape with two panels. The satellite was launched from LC43/94 at JSC, China.
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
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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