X Report 26 Sep 2025
SpaceX has been active, with successful launches of Starlink satellites and major developments at Cape Canaveral, signaling a competitive edge in satellite communication and launch capabilities.
EXPRESS AMU-3 (50002)
COSPAR: 2021-123B | Alt Name: Ekspress-AMU3
Image
Additional Sources
Launch Details
Launch Date
December 13, 2021
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-M/Briz-M
Orbital Elements
NORAD ID
50002
International Designator
2021-123B
Epoch
Sat, 18 Jul 2026 21:21:38 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
0.01°
Right Ascension
9.26°
Eccentricity
Calculating...
Argument of Perigee
290.74°
Period
1436.12 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
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
EXPRESS AMU-3
Alternative Name
Ekspress-AMU3
Type
Payload
Status
Operational
Owner
KS
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 50002U 21123B 26199.89002956 .00000000 00000+0 00000+0 0 9990
2 50002 0.0134 9.2566 0000371 290.7391 60.0006 01.00270141 7350
Source: Celestrak
Summary
EXPRESS AMU-3, also known as Ekspress-AMU3, is a communication satellite manufactured by RESH and owned by KS. Launched on December 13, 2021, from the TYMSC launch site using a Proton-M/Briz-M launch vehicle, it has a configuration of Ekspress-1000 with dimensions of 4 meters in length and 2 meters in diameter, featuring a span of 15 meters. The satellite is equipped with 20 C-band transponders, 16 Ku-band transponders, and 1 L-band transponder for its communication mission. It has a dry mass of 1800 kg and a launch mass of 2150 kg. Its power system consists of two deployable solar arrays capable of generating 5.9 kW (EoL) and includes batteries. The satellite's expected lifetime is 15 years, and it uses AOCS for motor control.
Physical Characteristics
Length
4
Diameter
2
Span
15
Dry Mass
1800
Launch Mass
2150
Shape
Box + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Ekspress-AMU3
Purpose
Communication
Mission
Communication
Manufacturer
RESH
Life Expectancy
15 years
Bus
Ekspress-1000N
Configuration
Ekspress-1000
Motor
AOCS
Equipment
20 C-band transponders, 16 Ku-band transponders, 1 L-band transponder
Power System
2 deployable solar arrays 5.9 kW (EoL), 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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