Space Brief 25 Feb 2025
Today's Space Brief covers imminent launches, new developments in space technology, and strategic military contributions to satellite defense systems.
SHIYAN 12 02 (SY-12 02) (50322)
COSPAR: 2021-129B | Alt Name: Shiyan 12-02
Image
Additional Sources
Launch Details
Launch Date
December 23, 2021
Launch Site
WSC
Launch Pad
LC201
Launch Vehicle
Chang Zheng 7A
Orbital Elements
NORAD ID
50322
International Designator
2021-129B
Epoch
Sat, 18 Jul 2026 19:48:11 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
3.75°
Right Ascension
79.48°
Eccentricity
Calculating...
Argument of Perigee
68.12°
Period
1433.18 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
SHIYAN 12 02 (SY-12 02)
Alternative Name
Shiyan 12-02
Type
Payload
Status
Operational
Owner
CAST
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50322U 21129B 26199.82512845 -.00000370 00000+0 00000+0 0 9998
2 50322 3.7534 79.4840 0003171 68.1169 199.1085 01.00475714 16819
Source: Celestrak
Summary
SHIYAN 12 02 (SY-12 02), also known as Shiyan 12-02, is a satellite launched by CAST from the Wenchang Spacecraft Launch Site on December 23, 2021, using the Chang Zheng 7A launch vehicle. The spacecraft has dimensions of 5 meters in length and 3 meters in diameter with a span of 9 meters. It has a dry mass of 2000 kg and a launch mass of 3000 kg. The satellite is equipped with solar arrays and batteries for power supply, and its shape is described as a box with two panels. Additional details about the mission purpose and other specific configurations are not provided in the available data.
Physical Characteristics
Length
5
Diameter
3
Span
9
Dry Mass
2000
Launch Mass
3000
Shape
Box + 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Shiyan 12-02
Purpose
?
Mission
?
Manufacturer
CAST
Life Expectancy
Unknown
Bus
XYZ
Configuration
Unknown
Motor
?
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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