SpaceX Orbits 7.5-Ton SiriusXM Satellite & 24 Starlinks | KeepTrack X Report
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EUTELSAT W3B (37206)
COSPAR: 2010-056A | Alt Name: Eutelsat W3B
Image
Additional Sources
Launch Details
Launch Date
October 28, 2010
Launch Site
FRGUI
Launch Pad
ELA3
Launch Vehicle
Ariane 5ECA
Orbital Elements
NORAD ID
37206
International Designator
2010-056A
Epoch
Fri, 03 Jul 2026 22:56:55 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
2.51°
Right Ascension
36.62°
Eccentricity
Calculating...
Argument of Perigee
87.49°
Period
514.51 min
Mean Motion
2.80 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
EUTELSAT W3B
Alternative Name
Eutelsat W3B
Type
Payload
Status
Non-operational
Owner
EUTSA
Country
France
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 37206U 10056A 26184.95620124 .00016314 00000-0 17027-2 0 9994
2 37206 2.5062 36.6197 6897857 87.4871 343.1237 2.79878644142647
Source: Celestrak
Summary
EUTELSAT W3B is a communication satellite based on the Spacebus 4000C3 bus and was manufactured by THALES for EUTSA (Eutelsat). Launched on October 28, 2010, from Guiana Space Centre using an Ariane 5ECA launch vehicle, this satellite has a dry mass of 3,500 kg and a launch mass of 5,370 kg. It is equipped with 53 Ku-band and 3 Ka-band transponders for communication purposes. The satellite measures 5.8 meters in length, has a diameter of 2 meters, and its solar panels span up to 34 meters when deployed. Its operational lifetime was designed for 15 years, providing power through two deployable solar arrays and batteries.
Physical Characteristics
Length
5.8
Diameter
2
Span
34
Dry Mass
3500
Launch Mass
5370
Shape
Box + 2 Pan + Dish
Radar Cross Section
14.973
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Eutelsat W3B
Purpose
Communication
Mission
Communication
Manufacturer
THALES
Life Expectancy
15 years
Bus
Spacebus 4000C3
Configuration
Spacebus-4000C3
Motor
S400
Equipment
53 Ku- and 3 Ka-band transponders
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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