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MUOS-3 (40374)
COSPAR: 2015-002A | Alt Name: MUOS 3
Image
Additional Sources
Launch Details
Launch Date
January 21, 2015
Launch Site
Launch Pad
SLC41
Launch Vehicle
Atlas V 551
Orbital Elements
NORAD ID
40374
International Designator
2015-002A
Epoch
Fri, 03 Jul 2026 22:24:58 GMT
Apogee
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Perigee
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Inclination
4.55°
Right Ascension
43.59°
Eccentricity
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Argument of Perigee
177.62°
Period
1436.12 min
Mean Motion
1.00 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
MUOS-3
Alternative Name
MUOS 3
Type
Payload
Status
Operational
Owner
SPAWSD
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 40374U 15002A 26184.93400881 -.00000119 00000-0 00000-0 0 9992
2 40374 4.5524 43.5916 0052841 177.6171 21.4950 1.00270427 41759
Source: Celestrak
Summary
The MUOS-3 satellite, also known as MUOS 3, was launched on January 21, 2015, from Cape Canaveral Air Force Station's SLC41 pad using an Atlas V 551 launch vehicle. It is a communications satellite (Comsat) designed and manufactured by LMSS/LMCSS for the SPAWSD owner. The satellite has dimensions of 7.9 meters in length, 4.3 meters in diameter, and spans 28.7 meters with its solar arrays deployed. It weighs 6,800 kg at launch and 3,800 kg dry. Its power system includes two deployable solar arrays and batteries. The satellite is configured as a Box + 2 Pan + Dish shape and has an RCS of 20.8608. MUOS-3's mission is to serve as a communications satellite with a motor BT-4 for propulsion, and it was designed to have a lifetime of 15 years.
Physical Characteristics
Length
7.9
Diameter
4.3
Span
28.7
Dry Mass
3800
Launch Mass
6800
Shape
Box + 2 Pan + Dish
Radar Cross Section
20.8608
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
MUOS SV 4
Purpose
Comsat
Mission
Comsat
Manufacturer
LMSS/LMCSS
Life Expectancy
15 years
Bus
A2100
Configuration
A2100M
Motor
BT-4
Equipment
?
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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