Space Brief 14 Nov 2025
Today's brief covers Firefly's acquisition, military tracking from the moon, France's boost in military space funding, and more.
SHIYAN 23 (SY-23) (59728)
COSPAR: 2024-089A | Alt Name: Shiyan 23 Weixing
Image
Additional Sources
Launch Details
Launch Date
January 1, 45423
Launch Site
Jiuquan Satellite Launch Center, China
Launch Pad
LC43/94
Launch Vehicle
Chang Zheng 4C
Orbital Elements
NORAD ID
59728
International Designator
2024-089A
Epoch
Sat, 18 Jul 2026 18:11:54 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.78°
Right Ascension
200.89°
Eccentricity
Calculating...
Argument of Perigee
91.79°
Period
96.83 min
Mean Motion
14.87 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
SHIYAN 23 (SY-23)
Alternative Name
Shiyan 23 Weixing
Type
Payload
Status
Operational
Owner
CNSA
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 59728U 24089A 26199.75827339 .00000229 00000+0 31478-4 0 9994
2 59728 97.7779 200.8922 0005497 91.7926 268.3920 14.87081728118535
Source: Celestrak
Summary
SHIYAN 23 (SY-23), also known as Shiyan 23 Weixing, is a technology demonstration satellite for monitoring the space environment launched by CNSA on January 1, 204543 from Jiuquan Satellite Launch Center, China. The launch used LC43/94 and the Chang Zheng 4C launch vehicle. It measures 1.5 meters in length with a diameter of 1.5 meters and a span of 5 meters, has a dry mass of 1000 kg, and was manufactured by CAST. The satellite's shape is described as a box with two panels. Its purpose is to demonstrate technology for space environment monitoring.
Physical Characteristics
Length
1.5
Diameter
1.5
Span
5
Dry Mass
1000
Launch Mass
1000
Shape
Box with two panels
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Shiyan 23 Weixing
Purpose
Technology demonstration
Mission
Technology demonstration satellite for monitoring the space environment.
Manufacturer
CAST
Life Expectancy
Unknown
Bus
SY23
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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 1 Dec 2025
Today's brief covers China's latest classified satellite launch, breakups in orbital refueling experiments, exciting advancements in microsatellites, and SpaceX's remarkable strides in spaceflight.
X Report 30 Sep 2025
SpaceX gears up for its next Starship flight while recent Falcon 9 missions make headlines with spectacular launches, bringing fresh Starlink satellites into orbit.
SpaceX Unveils Space Traffic Management System, Bahamas Landings Resume | KeepTrack X Report
SpaceX unveils new space traffic management system for orbital coordination. Bahamas grants permission for rocket landings after Starship debris pause. Musk proposes lunar satellite catapult.
Space Force Unveils New Alaska Radar, SDA Awards $3.5B for 72 Tracking Satellites | KeepTrack Space Brief
Space Force deploys new radar in Alaska for orbital tracking. SDA awards $3.5B for 72 missile defense satellites. Anysignal raises $24M for autonomous RF sensing technology.
Space Force Gets $26B in Defense Bill, Golden Dome Initiative Funded | KeepTrack Space Brief
Space Force allocated $26B in 2026 defense appropriations backing Golden Dome initiative. FY26 defense bill adds $8B but sidelines $28B munitions request. First Qatari-Emirati joint defense venture formed.
The Day That Humans Discovered Rocket Fuel
On February 2, 1909, Robert Goddard made a revolutionary breakthrough in his notebook: liquid oxygen and liquid hydrogen could achieve 50% efficiency in converting heat energy to kinetic energy for rocket propulsion
X Report 26 Dec 2024
Launch of 21 new Starlink satellites, featuring cell phone connectivity, and updates on NASA and SpaceX collaborative missions.