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AEHF-4 (USA 288) (43651)
COSPAR: 2018-079A | Alt Name: AEHF SV-4
Image
Additional Sources
Launch Details
Launch Date
October 17, 2018
Launch Site
Launch Pad
SLC41
Launch Vehicle
Atlas V 551
Orbital Elements
NORAD ID
43651
International Designator
2018-079A
Epoch
Sat, 04 Jul 2026 05:00:34 GMT
Apogee
Calculating...
Perigee
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Inclination
1.44°
Right Ascension
5.34°
Eccentricity
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Argument of Perigee
355.36°
Period
1436.16 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
AEHF-4 (USA 288)
Alternative Name
AEHF SV-4
Type
Payload
Status
Operational
Owner
AFMCSW
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 43651U 18079A 26185.20873728 -.00000263 00000-0 00000-0 0 9995
2 43651 1.4370 5.3359 0059702 355.3582 289.0584 1.00267052 28464
Source: Celestrak
Summary
AEHF-4 (USA 288), also known as AEHF SV-4, is a communications satellite operated by AFMCSW for the U.S. military. It was launched on October 17, 2018, from Cape Canaveral Air Force Station's SLC-41 launch pad using an Atlas V 551 launch vehicle. The spacecraft has dimensions of approximately 9.8 meters in length and a diameter of 2 meters with a span of 27 meters when its solar arrays are deployed. AEHF-4 has a dry mass of 4,000 kg and launched at a total mass of 6,200 kg. It is equipped with two deployable five-segment solar arrays and batteries for power supply and is expected to have an operational lifetime of 14 years. The satellite's purpose is to provide secure communications support for military operations.
Physical Characteristics
Length
9.8
Diameter
2
Span
27
Dry Mass
4000
Launch Mass
6200
Shape
Box + 2 pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
AEHF SV-4
Purpose
Comsat
Mission
Comsat
Manufacturer
LMSS
Life Expectancy
14 years
Bus
A2100M
Configuration
A2100M
Motor
BT-4/AJ-EP
Equipment
?
Power System
2 deployable 5 segment 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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