Space Brief 17 Jan 2025
Today's brief covers developments involving Space Force officials, Sierra Space's satellite milestone, and Voyager Space's rebranding for national security focus. Additionally, we spotlight the Cosmos 447 satellite.
ASTRA 2G (40364)
COSPAR: 2014-089A | Alt Name: Astra 2G
Image
Additional Sources
Launch Details
Launch Date
December 27, 2014
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-M/Briz-M
Orbital Elements
NORAD ID
40364
International Designator
2014-089A
Epoch
Sat, 04 Jul 2026 05:28:02 GMT
Apogee
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Perigee
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Inclination
0.05°
Right Ascension
355.23°
Eccentricity
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Argument of Perigee
78.81°
Period
1436.11 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
Basic Satellite Info
Name
ASTRA 2G
Alternative Name
Astra 2G
Type
Payload
Status
Operational
Owner
SESSA
Country
Luxembourg
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 40364U 14089A 26185.22780404 .00000162 00000-0 00000-0 0 9997
2 40364 0.0456 355.2308 0004856 78.8100 318.4089 1.00270751 42133
Source: Celestrak
Summary
ASTRA 2G is a communication satellite, also known as Astra 2G, operated by SES S.A., designed for direct broadcasting services. Launched on December 27, 2014, from the Tyuratam Space Center (TYMSC) in Kazakhstan using a Proton-M/Briz-M launch vehicle, this Eurostar-3000 satellite has a dry mass of 3000 kg and was equipped with 62 Ku-band and 4 Ka-band transponders. The satellite measures 6.8 meters in length, 2.8 meters in diameter, and its solar arrays span up to 39.8 meters when deployed. Its expected operational lifetime is 15 years, powered by deployable solar arrays and batteries. It was manufactured by Airbus Defence and Space (ADST) and uses R-4D thrusters for stationkeeping. The satellite's shape consists of a box structure with two deployable panels, and it has an RCS (Reaction Control System) with a value of 0.003.
Physical Characteristics
Length
6.8
Diameter
2.8
Span
39.8
Dry Mass
3000
Launch Mass
6002
Shape
Box + 2 panels
Radar Cross Section
0.003
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Astra 2G
Purpose
Communication (Direct Broadcasting)
Mission
Communication (Direct Broadcasting)
Manufacturer
ADST
Life Expectancy
15 years
Bus
Eurostar 3000
Configuration
Eurostar-3000
Motor
R-4D
Equipment
60 Ku- and 3 Ka-band transponders (#2E, #2F); 62 Ku- and 4 Ka-band transponders (#2G)
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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