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EXPRESS-AM4 (37798)
COSPAR: 2011-045A | Alt Name: Ekspress AM-4
DECAYED
Image
Additional Sources
Launch Details
Launch Date
August 17, 2011
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-M/Briz-M
Orbital Elements
NORAD ID
37798
International Designator
2011-045A
Decay Date
3/25/2012
Basic Satellite Info
Name
EXPRESS-AM4
Alternative Name
Ekspress AM-4
Type
Payload
Status
Decayed
Owner
KS
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Summary
The EXPRESS-AM4 satellite, also known as Ekspress AM-4, is a communication satellite operated by KS (Russian Satellite Communications Company). It was launched on August 17, 2011, from the TYMSC launch site using a Proton-M/Briz-M launch vehicle. The satellite has a dry mass of 2500 kg and a launch mass of 5700 kg, with dimensions including a length of 5 meters, diameter of 2.4 meters, and span of 39.4 meters when its solar arrays are deployed. It is powered by two deployable solar arrays and batteries and equipped with 30 C-band, 28 Ku-band, 2 Ka-band, and 3 L-band transponders for communication purposes. The satellite was manufactured by ASTT (Alcatel Space Industries) based on the Eurostar-3000 bus design and is expected to have a mission lifetime of 15 years.
Physical Characteristics
Length
5
Diameter
2.4
Span
39.4
Dry Mass
2500
Launch Mass
5700
Shape
Cyl + 2 Pan
Radar Cross Section
10.1217
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Ekspress AM-4
Purpose
Communication
Mission
Communication
Manufacturer
ASTT
Life Expectancy
15 years
Bus
Eurostar 3000
Configuration
Eurostar-3000
Motor
R-4D
Equipment
30 C-band, 28 Ku-band, 2 Ka-band, 3 L-band transponders
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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