X Report 13 Dec 2024
SpaceX ramps up Starship preparations in Florida while California prepares for another Starlink launch.
SHIYAN 21 (SY-21) (54752)
COSPAR: 2022-172A | Alt Name: Shiyan 21
Image
Additional Sources
Launch Details
Launch Date
December 16, 2022
Launch Site
XICLF
Launch Pad
LC4
Launch Vehicle
Chang Zheng 11
Orbital Elements
NORAD ID
54752
International Designator
2022-172A
Epoch
Mon, 20 Jul 2026 06:06:25 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
35.99°
Right Ascension
225.00°
Eccentricity
Calculating...
Argument of Perigee
178.97°
Period
94.27 min
Mean Motion
15.27 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
SHIYAN 21 (SY-21)
Alternative Name
Shiyan 21
Type
Payload
Status
Operational
Owner
CAST
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 54752U 22172A 26201.25446097 .00003240 00000+0 11901-3 0 9998
2 54752 35.9857 225.0019 0027449 178.9656 181.1138 15.27464967200746
Source: Celestrak
Summary
SHIYAN 21 (SY-21), also known as Shiyan 21, is a satellite operated by CAST and launched on December 16, 2022, from the Xichang Satellite Launch Center LC4 using a Chang Zheng 11 launch vehicle. The satellite has a box shape with two panels, measures 1 meter in length, 0.5 meters in diameter, and spans 2 meters across. It weighs 100 kilograms at launch and in its dry state, carrying the Shenjian-2013 payload. The mission details and purpose of SHIYAN 21 are not specified in the provided data.
Physical Characteristics
Length
1
Diameter
0.5
Span
2
Dry Mass
100
Launch Mass
100
Shape
Box + 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Shenjian-2013
Purpose
?
Mission
?
Manufacturer
CAST
Life Expectancy
Unknown
Bus
SJ2013
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
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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