Space Brief 20 Mar 2025
Today's brief highlights critical discussions in military space readiness, potential satellite 'dogfighting' scenarios, international defense collaborations, and a notable communications satellite launch.
TIANQI-21 (57792)
COSPAR: 2023-135A | Alt Name: Tianqi Xingzuo 21
Image
Additional Sources
Launch Details
Launch Date
September 5, 2023
Launch Site
SEAL
Launch Pad
LP4
Launch Vehicle
Gushenxing 1
Orbital Elements
NORAD ID
57792
International Designator
2023-135A
Epoch
Sun, 19 Jul 2026 20:27:56 GMT
Apogee
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Perigee
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Inclination
49.97°
Right Ascension
14.87°
Eccentricity
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Argument of Perigee
12.17°
Period
101.18 min
Mean Motion
14.23 rev/day
Latitude
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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
TIANQI-21
Alternative Name
Tianqi Xingzuo 21
Type
Payload
Status
Operational
Owner
GUOG
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 57792U 23135A 26200.85273625 -.00000138 00000+0 93122-5 0 9996
2 57792 49.9734 14.8742 0013222 12.1740 347.9490 14.23137435149282
Source: Celestrak
Summary
TIANQI-21, also known as Tianqi Xingzuo 21, is a communication satellite belonging to GUOG and was launched on September 5, 2023, from the SEAL launch site using LP4 pad and Gushenxing 1 launch vehicle. Built by ASES in China, this satellite has dimensions of 0.5 meters in length, 0.3 meters in diameter, and a span of 0.5 meters, with a dry mass of 40 kilograms. Its primary purpose is to support M2M/IoT communication systems. The spacecraft uses solar arrays and batteries for power generation and has a box shape configuration.
Physical Characteristics
Length
0.5
Diameter
0.3
Span
0.5
Dry Mass
40
Launch Mass
40
Shape
Box
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tianqi-21
Purpose
Communication M2M/IoT
Mission
Communication M2M/IoT
Manufacturer
ASES
Life Expectancy
Unknown
Bus
StarLightB
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
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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