Space Brief 17 Jun 2025
Today's space brief covers key developments in satellite monitoring, U.K. defense contracts, and critical licensing reforms supporting national security.
Launch Date
December 23, 2021
Launch Site
WSC
Launch Pad
LC201
Launch Vehicle
Chang Zheng 7A
NORAD ID
50321
International Designator
2021-129A
Epoch
Sat, 18 Jul 2026 19:20:58 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
3.75°
Right Ascension
79.48°
Eccentricity
Calculating...
Argument of Perigee
289.22°
Period
1439.23 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
SHIYAN 12 01 (SY-12 01)
Alternative Name
Shiyan 12-01
Type
Status
Owner
CAST
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
1 50321U 21129A 26199.80623808 .00000139 00000+0 00000+0 0 9999
2 50321 3.7543 79.4846 0002602 289.2178 252.5659 01.00053356 16813
Source: Celestrak
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
Payload
Shiyan 12-01
Purpose
?
Mission
?
Manufacturer
CAST
Life Expectancy
Unknown
Bus
XYZ
Configuration
Unknown
Motor
?
Equipment
Unknown
Power System
solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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