X Report 15 May 2025
SpaceX successfully launched 28 Starlink satellites from Cape Canaveral, while Starship prepares for its ninth test flight next week.
CSS (MENGTIAN) (54216)
COSPAR: 2022-143A | Alt Name: Mengtian
Image
Additional Sources
Launch Details
Launch Date
October 31, 2022
Launch Site
WSC
Launch Pad
LC101
Launch Vehicle
Chang Zheng 5B
Orbital Elements
NORAD ID
54216
International Designator
2022-143A
Epoch
Mon, 20 Jul 2026 03:36:22 GMT
Apogee
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Perigee
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Inclination
41.47°
Right Ascension
121.80°
Eccentricity
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Argument of Perigee
306.74°
Period
92.41 min
Mean Motion
15.58 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
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Basic Satellite Info
Name
CSS (MENGTIAN)
Alternative Name
Mengtian
Type
Payload
Status
Operational
Owner
CMSEO
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 54216U 22143A 26201.15025580 .00011348 00000+0 15004-3 0 9996
2 54216 41.4683 121.7978 0001915 306.7446 53.3216 15.58213113297971
Source: Celestrak
Summary
The CSS (Mengtian) satellite, also known by its alternative name Mengtian and designated OBJECT_ID 2022-143A, is a component of China's space station mission owned by the CMSEO (China Manned Space Engineering Office). Launched on October 31, 2022, from Wenchang Spacecraft Launch Site LC101 using the Chang Zheng 5B launch vehicle, Mengtian has dimensions of 17.9 meters in length and a diameter of 4.2 meters with a span of 55 meters when its solar arrays are deployed. The satellite has a dry mass of 21,500 kg and launched at a total mass of 23,000 kg. Its power is provided by two deployable solar arrays and batteries, and it is designed to operate for up to ten years in orbit. Mengtian’s shape consists of a step cylinder with two panels and was manufactured by CAST (China Academy of Space Technology).
Physical Characteristics
Length
17.9
Diameter
4.2
Span
55
Dry Mass
21500
Launch Mass
23000
Shape
Step Cyl + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Mengtian
Purpose
Space station
Mission
Space station
Manufacturer
CAST
Life Expectancy
10 years
Bus
Tianhe
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
2 deployable 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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