Optical Intersatellite Link (OISL)
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GSAT0209 (GALILEO 12) (41174)
COSPAR: 2015-079A | Alt Name: GalileoSat-12
Image
Additional Sources
Launch Details
Launch Date
December 17, 2015
Launch Site
FRGUI
Launch Pad
ELS
Launch Vehicle
Soyuz-ST-B
Orbital Elements
NORAD ID
41174
International Designator
2015-079A
Epoch
Sat, 04 Jul 2026 01:11:44 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
55.84°
Right Ascension
100.80°
Eccentricity
Calculating...
Argument of Perigee
344.55°
Period
844.70 min
Mean Motion
1.70 rev/day
Latitude
Calculating...
Longitude
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Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
GSAT0209 (GALILEO 12)
Alternative Name
GalileoSat-12
Type
Payload
Status
Operational
Owner
GSAEU
Country
EU
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 41174U 15079A 26185.04982572 -.00000002 00000+0 00000+0 0 9999
2 41174 55.8364 100.7995 0005220 344.5469 15.4534 01.70473879 65060
Source: Celestrak
Summary
The GSAT0209 (GALILEO 12), also known as GalileoSat-12, is a satellite launched on December 17, 2015, from Guiana Space Center using the Soyuz-ST-B launch vehicle for the European Union's Galileo navigation system. It has dimensions of 2.7 meters in length and 1.6 meters in diameter with a span of 14.5 meters, featuring a box shape with two solar panels. The satellite weighs 660 kilograms dry and 733 kilograms at launch, powered by deployable solar arrays and batteries. It is equipped with a Galileo Navigation payload and MEO SAR for navigation purposes and has an expected lifetime of 12 years. The satellite's manufacturer is OHB, and it operates in medium Earth orbit as part of the SmartMEO configuration.
Physical Characteristics
Length
2.7
Diameter
1.6
Span
14.5
Dry Mass
660
Launch Mass
733
Shape
Box+2 pan
Radar Cross Section
6.7254
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Galileo FOC FM09
Purpose
Navigation
Mission
Navigation
Manufacturer
OHB
Life Expectancy
+12 years
Bus
GalileoSat
Configuration
SmartMEO
Motor
AOCS
Equipment
Galileo Navigation payload, MEO SAR
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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