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SES-4 (38087)
COSPAR: 2012-007A | Alt Name: SES-4
Image
Additional Sources
Launch Details
Launch Date
February 14, 2012
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-M/Briz-M
Orbital Elements
NORAD ID
38087
International Designator
2012-007A
Epoch
Thu, 02 Jul 2026 08:44:38 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
0.02°
Right Ascension
41.55°
Eccentricity
Calculating...
Argument of Perigee
57.20°
Period
1436.11 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
SES-4
Alternative Name
SES-4
Type
Payload
Status
Operational
Owner
SESSL
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 38087U 12007A 26183.36433681 -.00000158 00000-0 00000+0 0 9994
2 38087 0.0229 41.5467 0002404 57.1982 290.8171 1.00271083 52377
Source: Celestrak
Summary
SES-4 is a communication satellite launched by SESSL on February 14, 2012, from the TYSMC launch site using a Proton-M/Briz-M launch vehicle. The spacecraft measures 8.2 meters in length with a diameter of 3 meters and has a span of 32.4 meters. It features 52 C-band transponders and 72 Ku-band transponders, powered by two deployable solar arrays and batteries. SES-4 weighs 6180 kilograms at launch and has a dry mass of 4500 kilograms. The satellite is equipped with R-4D motors for propulsion and follows a Box + 2 Pan shape design. It was manufactured using the SSL-1300 configuration by LOR (Lockheed Martin Commercial Space Systems) and is intended to operate for approximately 15 years in orbit, providing communication services as its primary mission.
Physical Characteristics
Length
8.2
Diameter
3
Span
32.4
Dry Mass
4500
Launch Mass
6180
Shape
Box + 2 Pan
Radar Cross Section
63.3469
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SES-4
Purpose
Communication
Mission
Communication
Manufacturer
LOR
Life Expectancy
15 years
Bus
SSL-1300S
Configuration
SSL-1300
Motor
R-4D
Equipment
52 C-band transponders and 72 Ku-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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