Space Brief 2 Sep 2024
Key topics: SpaceX resumes Falcon 9 launches, mysterious Starliner sounds, and upcoming space policy events. Detailed tracking info for EGYPTSAT A.
EXPRESS-AM3 (28707)
COSPAR: 2005-023A | Alt Name: Ekspress AM-3
Image
Additional Sources
Launch Details
Launch Date
June 24, 2005
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-K/DM-2
Orbital Elements
NORAD ID
28707
International Designator
2005-023A
Epoch
Fri, 03 Jul 2026 20:13:22 GMT
Apogee
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Perigee
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Inclination
7.35°
Right Ascension
67.90°
Eccentricity
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Argument of Perigee
210.25°
Period
1454.59 min
Mean Motion
0.99 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
EXPRESS-AM3
Alternative Name
Ekspress AM-3
Type
Payload
Status
Non-operational
Owner
KS
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 28707U 05023A 26184.84262285 .00000058 00000-0 00000-0 0 9995
2 28707 7.3502 67.9005 0002060 210.2476 23.5882 0.98996794 53377
Source: Celestrak
Summary
EXPRESS-AM3, also known as Ekspress AM-3, is a communication satellite launched on June 24, 2005, from the Tyuratam Space Center (TYMSC) using a Proton-K/DM-2 launch vehicle. The spacecraft measures approximately 2 meters in length and diameter with a span of 27 meters due to its deployable components. It has a dry mass of 2200 kg and was launched with a total mass of 2555 kg. Equipped with multiple transponders across various frequency bands including Ku-band, C-band, and L-band, EXPRESS-AM3 is designed for comprehensive communication services. The satellite's power system consists of two deployable solar arrays and batteries to ensure continuous operation. It was manufactured by NPOPMR (Research Institute of Space Systems) and operated under the ownership of KS (Russian Satellite Communications Company). With an anticipated lifespan of 12 years, EXPRESS-AM3 is part of Russia’s Ekspress satellite constellation, serving as a key component for communication purposes in geostationary orbit.
Physical Characteristics
Length
2
Diameter
2
Span
27
Dry Mass
2200
Launch Mass
2555
Shape
Cyl + 2 Pan
Radar Cross Section
25.1785
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Ekspress AM-3 No. V001
Purpose
Communication
Mission
Communication
Manufacturer
NPOPMR
Life Expectancy
12 years
Bus
Ekspress
Configuration
MSS-2500-GSO (MSS-767)
Motor
AOCS
Equipment
4 Ku-band (140 W), 8 Ku-Band (101 W), 4 C-band (100 W), 1 C-band (100 W), 11 C-band (60 W), 1 L-band (30 W) 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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