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SES-3 (37748)
COSPAR: 2011-035A | Alt Name: SES-3
Image
Additional Sources
Launch Details
Launch Date
July 15, 2011
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-M/Briz-M
Orbital Elements
NORAD ID
37748
International Designator
2011-035A
Epoch
Sat, 04 Jul 2026 04:50:40 GMT
Apogee
Calculating...
Perigee
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Inclination
1.37°
Right Ascension
82.92°
Eccentricity
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Argument of Perigee
13.31°
Period
1436.09 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
SES-3
Alternative Name
SES-3
Type
Payload
Status
Operational
Owner
SESSL
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 37748U 11035A 26185.20185797 -.00000091 00000-0 00000-0 0 9991
2 37748 1.3680 82.9153 0002292 13.3109 155.6671 1.00272056 54765
Source: Celestrak
Summary
SES-3 is a communication satellite manufactured by OSCD and owned by SESSL. It was launched on July 15, 2011, from TYSMS using the Proton-M/Briz-M launch vehicle from LC200/39. The spacecraft has dimensions of 4.3 meters in length, a diameter of 2.3 meters, and a span of 18 meters when its solar arrays are deployed. It carries 24 active C-band transponders, 24 Ku-band transponders, and Ka-band transponders; it also includes CHIRP equipment (#2 only). The satellite has a dry mass of 1500 kg, with an initial launch mass of 3112 kg. It is powered by two deployable solar arrays and batteries. The spacecraft's configuration is based on the Star-2.4 bus, designed to provide communication services for over 15 years. Its shape is described as a box with two panels (Pan).
Physical Characteristics
Length
4.3
Diameter
2.3
Span
18
Dry Mass
1500
Launch Mass
3112
Shape
Box + 2 Pan
Radar Cross Section
19.9526
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SES-3
Purpose
Communication
Mission
Communication
Manufacturer
OSCD
Life Expectancy
15 years (fueled for >16 years)
Bus
Star-2.4
Configuration
Star-2.4 Bus
Motor
BT-4
Equipment
24 active C-band, 24 Ku-band and 2 Ka-band transponders; CHIRP (#2 only)
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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