Space Brief 26 Aug 2025
Today's space news highlights include U.S. military satellite deployments, innovative AI aboard the Chinese space station, and breakthroughs in interplanetary communications.
HULIANWANG JISHU SHIYAN 4A (58691)
COSPAR: 2023-212A | Alt Name: Hulianwang Jishu Shiyan W.
Image
Additional Sources
Launch Details
Launch Date
December 30, 2023
Launch Site
JSC
Launch Pad
LC43/94
Launch Vehicle
Chang Zheng 2C/YZ-1S
Orbital Elements
NORAD ID
58691
International Designator
2023-212A
Epoch
Sun, 19 Jul 2026 18:47:17 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
50.00°
Right Ascension
224.32°
Eccentricity
Calculating...
Argument of Perigee
235.88°
Period
107.35 min
Mean Motion
13.41 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
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Basic Satellite Info
Name
HULIANWANG JISHU SHIYAN 4A
Alternative Name
Hulianwang Jishu Shiyan W.
Type
Payload
Status
Operational
Owner
CASC
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 58691U 23212A 26200.78283829 -.00000110 00000+0 33056-4 0 9999
2 58691 49.9983 224.3218 0001234 235.8775 124.1985 13.41459278125622
Source: Celestrak
Summary
The HULIANWANG JISHU SHIYAN 4A satellite, also known as Hulianwang Jishu Shiyan W., was launched on December 30, 2023, from the Jiuquan Satellite Launch Center (JSC) using the Chang Zheng 2C/YZ-1S launch vehicle. The spacecraft has dimensions of 2.5 meters in length and span, with a diameter of 0.8 meters, resembling a box shape with two panels attached. It was manufactured by CAST for CASC with a primary mission focus on communications. The satellite's dry mass is 300 kilograms, which matches its launch mass. The specific power source, payload details, and exact operational characteristics are not provided in the data.
Physical Characteristics
Length
2.5
Diameter
0.8
Span
2.5
Dry Mass
300
Launch Mass
300
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
WHJSW-4A
Purpose
Communications
Mission
Communications
Manufacturer
CAST
Life Expectancy
Unknown
Bus
Unknown
Configuration
Unknown
Motor
?
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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