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Key updates include a potential delay for the Starship lunar lander, successful static fire tests for Ship 38, and the latest Starlink satellite launch plans.
SES-2 (37809)
COSPAR: 2011-049A | Alt Name: SES-2
Image
Additional Sources
Launch Details
Launch Date
September 21, 2011
Launch Site
FRGUI
Launch Pad
ELA3
Launch Vehicle
Ariane 5ECA
Orbital Elements
NORAD ID
37809
International Designator
2011-049A
Epoch
Sat, 04 Jul 2026 03:12:29 GMT
Apogee
Calculating...
Perigee
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Inclination
0.10°
Right Ascension
92.68°
Eccentricity
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Argument of Perigee
7.85°
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-2
Alternative Name
SES-2
Type
Payload
Status
Operational
Owner
SESSL
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 37809U 11049A 26185.13367125 -.00000184 00000-0 00000-0 0 9996
2 37809 0.0996 92.6758 0002953 7.8474 142.7507 1.00272243 54139
Source: Celestrak
Summary
SES-2 is a communication satellite operated by SESSL, manufactured by OSCD and launched on September 21, 2011, from ELA3 launch pad at the Guiana Space Center using an Ariane 5ECA launch vehicle. The spacecraft has dimensions of 4.9 meters in length, 2.3 meters in diameter, with a span of 23.6 meters and a dry mass of 1500 kg. It was fueled for more than 16 years with a planned lifetime of 15 years. SES-2 is equipped with 24 active C-band transponders, 24 Ku-band transponders, and 2 Ka-band transponders (CHIRP on #2 only), powered by two deployable solar arrays and batteries. The satellite has an RCS of 9.3468, a box shape plus two panels for additional surface area, and is used primarily for communication purposes.
Physical Characteristics
Length
4.9
Diameter
2.3
Span
23.6
Dry Mass
1500
Launch Mass
3200
Shape
Box + 2 Pan
Radar Cross Section
9.3468
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SES-2
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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