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SHIJIAN-20 (SJ-20) (44910)
COSPAR: 2019-097A | Alt Name: Shi Jian 20
Image
Additional Sources
Launch Details
Launch Date
December 27, 2019
Launch Site
WSC
Launch Pad
LC101
Launch Vehicle
Chang Zheng 5
Orbital Elements
NORAD ID
44910
International Designator
2019-097A
Epoch
Thu, 02 Jul 2026 19:19:43 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
4.96°
Right Ascension
74.88°
Eccentricity
Calculating...
Argument of Perigee
56.85°
Period
1436.04 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
SHIJIAN-20 (SJ-20)
Alternative Name
Shi Jian 20
Type
Payload
Status
Operational
Owner
CHISAE/CAST
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 44910U 19097A 26183.80536772 .00000143 00000-0 00000+0 0 9999
2 44910 4.9558 74.8762 0015631 56.8465 123.8766 1.00276092 23853
Source: Celestrak
Summary
The SHIJIAN-20 (SJ-20) satellite, also known as Shi Jian 20, was launched on December 27, 2019, from the Wenchang Spacecraft Launch Site, China, using a Chang Zheng 5 launch vehicle. It is a technology demonstration satellite with a DFH-5 Bus configuration and measures 7 meters in length and has a diameter of 3 meters, with a span of 38 meters due to its deployable components. The spacecraft has a dry mass of 5000 kilograms and weighed 7600 kilograms at launch. It is powered by two deployable solar arrays and batteries. Its propulsion system includes LIPS-300 Ion engines, though the exact number is unspecified. SHIJIAN-20 was manufactured by CAST and owned by CHISAE/CAST for technology demonstration purposes in space.
Physical Characteristics
Length
7
Diameter
3
Span
38
Dry Mass
5000
Launch Mass
7600
Shape
Box+ 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SJ-20
Purpose
Technology
Mission
Technology
Manufacturer
CAST
Life Expectancy
Unknown
Bus
DFH-5
Configuration
DFH-5 Bus
Motor
? x LIPS-300 Ion engines
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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