X Report 27 May 2025
Today marks a significant day for SpaceX as the company prepares for the 9th test flight of its Starship-Super Heavy rocket, alongside a successful launch of 24 Starlink satellites to polar orbit.
SHIYAN 6 03 (SY-6 03) (48157)
COSPAR: 2021-028A | Alt Name: Shiyan 6-03
Image
Additional Sources
Launch Details
Launch Date
April 8, 2021
Launch Site
TAISC
Launch Pad
LC9
Launch Vehicle
Chang Zheng 4B
Orbital Elements
NORAD ID
48157
International Designator
2021-028A
Epoch
Sat, 04 Jul 2026 07:14:13 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
99.53°
Right Ascension
199.24°
Eccentricity
Calculating...
Argument of Perigee
43.25°
Period
104.53 min
Mean Motion
13.78 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
SHIYAN 6 03 (SY-6 03)
Alternative Name
Shiyan 6-03
Type
Payload
Status
Operational
Owner
CNSA
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 48157U 21028A 26185.30154104 -.00000017 00000-0 27753-4 0 9995
2 48157 99.5275 199.2442 0046909 43.2511 317.2308 13.77601823261864
Source: Celestrak
Summary
SHIYAN 6 03 (SY-6 03), also known as Shiyan 6-03, is a technology satellite launched by CNSA on April 8, 2021, from Taiyuan Satellite Launch Center's LC9 using the Chang Zheng 4B launch vehicle. The spacecraft has dimensions of 2 meters in length and 1 meter in diameter with a span of 6 meters. It has a dry mass of 1400 kg and a launch mass of 1500 kg. Manufactured by DFHS, its mission is technology-oriented and it carries the payload Shiyan Weixing 6 03 xing. The satellite's shape consists of a hexagonal cylinder with two panels attached. Its bus system is designated as SW6, and it uses AOCS (Attitude and Orbit Control System) for motor control.
Physical Characteristics
Length
2
Diameter
1
Span
6
Dry Mass
1400
Launch Mass
1500
Shape
Hex cyl+2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Shiyan Weixing 6 03 xing
Purpose
Technology
Mission
Technology
Manufacturer
DFHS
Life Expectancy
Unknown
Bus
SW6
Configuration
Unknown
Motor
AOCS
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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