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TJS-9 (50574)
COSPAR: 2021-135A | Alt Name: Tongxin Jishu Shiyan 9
Image
Additional Sources
Launch Details
Launch Date
December 29, 2021
Launch Site
XICLF
Launch Pad
LC2
Launch Vehicle
Chang Zheng 3B
Orbital Elements
NORAD ID
50574
International Designator
2021-135A
Epoch
Sun, 19 Jul 2026 18:57:46 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
0.06°
Right Ascension
100.50°
Eccentricity
Calculating...
Argument of Perigee
332.66°
Period
1436.11 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
Calculating...
Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
TJS-9
Alternative Name
Tongxin Jishu Shiyan 9
Type
Payload
Status
Operational
Owner
CASC
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50574U 21135A 26200.79011918 -.00000302 00000+0 00000+0 0 9993
2 50574 0.0571 100.5008 0002191 332.6590 286.1018 01.00270803 16757
Source: Celestrak
Summary
TJS-9, also known as Tongxin Jishu Shiyan 9, is a Chinese satellite with the OBJECT_ID 2021-135A and NORAD_CAT_ID 50574. It was launched on December 29, 2021, from Xichang Satellite Launch Center (XICLF), Launch Pad LC2, using the Chang Zheng 3B launch vehicle. The satellite has a length of 5 meters, diameter of 2.5 meters, and span of 32 meters. It was manufactured by CAST for CASC with a dry mass of 2,500 kg and a launch mass of 4,000 kg. Its configuration includes a box shape with two panels and a dish, powered by two deployable solar arrays and batteries. The satellite's mission is suspected to be SIGINT (Signals Intelligence), equipped with the Qianshao-3 payload, and uses DFH-4 LAE motor technology.
Physical Characteristics
Length
5
Diameter
2.5
Span
32
Dry Mass
2500
Launch Mass
4000
Shape
Box+ 2 panels +dish
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Qianshao-3 03 xing
Purpose
SIGINT ?
Mission
SIGINT ?
Manufacturer
CAST
Life Expectancy
Unknown
Bus
DFH-4
Configuration
Unknown
Motor
DFH-4 LAE
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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