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BEIDOU-3 M21 (44794)
COSPAR: 2019-078B | Alt Name: Beidou DW 50
Image
Additional Sources
Launch Details
Launch Date
November 23, 2019
Launch Site
XICLF
Launch Pad
LC3
Launch Vehicle
Chang Zheng 3B/YZ-1
Orbital Elements
NORAD ID
44794
International Designator
2019-078B
Epoch
Fri, 03 Jul 2026 07:56:41 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
53.89°
Right Ascension
299.22°
Eccentricity
Calculating...
Argument of Perigee
47.86°
Period
773.25 min
Mean Motion
1.86 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
BEIDOU-3 M21
Alternative Name
Beidou DW 50
Type
Payload
Status
Operational
Owner
CNSA
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 44794U 19078B 26184.33103439 -.00000058 00000+0 00000+0 0 9992
2 44794 53.8932 299.2208 0003865 47.8552 312.2024 01.86228157 44951
Source: Celestrak
Summary
BEIDOU-3 M21, also known as Beidou DW 50, is a satellite launched by CNSA on November 23, 2019, from Xichang Satellite Launch Center using the Chang Zheng 3B/YZ-1 launch vehicle. The spacecraft measures 2.2 meters in length with a diameter of 1.7 meters and spans 10 meters when its solar arrays are deployed. It has a dry mass of 850 kilograms and was launched at a mass of 1014 kilograms. Equipped for navigation purposes, BEIDOU-3 M21 utilizes two deployable solar arrays and batteries for power. Manufactured by SECM, the satellite is expected to operate for a lifetime of 12 years. Its shape consists of a box with two panels.
Physical Characteristics
Length
2.2
Diameter
1.7
Span
10
Dry Mass
850
Launch Mass
1014
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Beidou-3 M21
Purpose
Navigation
Mission
Navigation
Manufacturer
SECM
Life Expectancy
12 years
Bus
BD-3M2
Configuration
Unknown
Motor
Unknown
Equipment
?
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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