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TELECOM 2B (21939)
COSPAR: 1992-021A | Alt Name: Telecom 2B
Image
Additional Sources
Launch Details
Launch Date
April 15, 1992
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 44L
Orbital Elements
NORAD ID
21939
International Designator
1992-021A
Epoch
Fri, 03 Jul 2026 18:59:34 GMT
Apogee
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Perigee
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Inclination
14.55°
Right Ascension
3.60°
Eccentricity
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Argument of Perigee
98.58°
Period
1447.03 min
Mean Motion
1.00 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
TELECOM 2B
Alternative Name
Telecom 2B
Type
Payload
Status
Non-operational
Owner
FTEL
Country
France
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21939U 92021A 26184.79137705 -.00000226 00000-0 00000-0 0 9999
2 21939 14.5536 3.5993 0017287 98.5788 89.4138 0.99514189117557
Source: Celestrak
Summary
TELECOM 2B, also known as Telecom 2B, is a communication satellite operated by FTEL (France Télécom) and manufactured by MMST. It was launched on April 15, 1992, from the Guiana Space Centre’s ELA2 launch pad using an Ariane 44L launch vehicle. The satellite measures 3.1 meters in length and has a diameter of 1.9 meters with a span of 22 meters due to its solar arrays. It carries 10 C-band, 11 Ku-band, and 5 X-band transponders for communication purposes. The dry mass is 1130 kg, and the launch mass was 2275 kg. Power is supplied by two deployable solar arrays and batteries. The satellite has a lifetime of approximately 10.25 years and employs an R-4D-11 motor. Its configuration follows the Eurostar-2000 design, characterized by its box shape with two panels. The RCS (Reaction Control System) value is 17.0627 square meters.
Physical Characteristics
Length
3.1
Diameter
1.9
Span
22
Dry Mass
1130
Launch Mass
2275
Shape
Box + 2 Pan
Radar Cross Section
17.0627
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Telecom 2B
Purpose
Communication
Mission
Communication
Manufacturer
MMST
Life Expectancy
10.25 years
Bus
Eurostar 2000
Configuration
Eurostar-2000
Motor
R-4D-11
Equipment
10 C-band transponders, 11 Ku-band transponders, 5 X-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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