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SBS 4 (15235)
COSPAR: 1984-093B | Alt Name: SBS 4
Image
Additional Sources
Launch Details
Launch Date
August 30, 1984
Launch Site
Launch Pad
LC39A
Launch Vehicle
Space Shuttle
Orbital Elements
NORAD ID
15235
International Designator
1984-093B
Epoch
Sat, 04 Jul 2026 00:27:24 GMT
Apogee
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Perigee
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Inclination
13.55°
Right Ascension
341.69°
Eccentricity
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Argument of Perigee
117.30°
Period
1458.06 min
Mean Motion
0.99 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
SBS 4
Alternative Name
SBS 4
Type
Payload
Status
Unknown
Owner
SBS
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 15235U 84093B 26185.01903236 .00000032 00000-0 00000-0 0 9991
2 15235 13.5482 341.6899 0008435 117.2987 243.9627 0.98761386 46153
Source: Celestrak
Summary
SBS 4 is a communication satellite launched by the US on August 30, 1984, from Launch Pad LC39A at AFETR using a Space Shuttle as its launch vehicle. The spacecraft has dimensions of 6.6 meters in length and diameter, with a span of 6.6 meters, manufactured by HSES and equipped with 14 K-band transponders for communication purposes. It had a dry mass of 485 kg and a launch mass of 634 kg. The satellite is powered by solar cells (body mounted and drop-skirt) and batteries and was designed to operate for approximately seven years. Its shape is cylindrical, with an RCS value of 1.5836 and a BUS and configuration designated as HS-376. The satellite's owner is SBS, and it operates under the payload designation SBS D.
Physical Characteristics
Length
6.6
Diameter
2.2
Span
6.6
Dry Mass
485
Launch Mass
634
Shape
Cyl
Radar Cross Section
1.5836
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
SBS D
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
7 years
Bus
HS-376
Configuration
HS-376
Motor
TE-M-700-5
Equipment
14 K-band transponders
Power System
Solar cells (body mounted and drop-skirt), 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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