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GALAXY 3 (G-3) (15308)
COSPAR: 1984-101A | Alt Name: Galaxy 3
Image
Additional Sources
Launch Details
Launch Date
September 21, 1984
Launch Site
Launch Pad
LC17B
Launch Vehicle
Delta 3920/PAM
Orbital Elements
NORAD ID
15308
International Designator
1984-101A
Epoch
Sat, 04 Jul 2026 03:41:37 GMT
Apogee
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Perigee
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Inclination
14.09°
Right Ascension
344.98°
Eccentricity
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Argument of Perigee
47.19°
Period
1442.26 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
GALAXY 3 (G-3)
Alternative Name
Galaxy 3
Type
Payload
Status
Non-operational
Owner
HCI
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 15308U 84101A 26185.15391041 .00000012 00000-0 00000-0 0 9990
2 15308 14.0891 344.9768 0005071 47.1897 320.6826 0.99843446 46657
Source: Celestrak
Summary
GALAXY 3 (G-3), also known as Galaxy 3, is a communication satellite launched by HCI on September 21, 1984, from LC17B at AFETR using the Delta 3920/PAM launch vehicle. It has dimensions of 6.6 meters in length and diameter, and weighs 507 kilograms dry with an initial launch mass of 603 kilograms. The satellite is equipped with a configuration and bus type HS-376, manufactured by HSES, and features 24 (+6) C-band transponders for communication purposes. It uses solar cells mounted on the body and drop-skirt along with batteries for power supply. GALAXY 3 has a cylindrical shape with a radar cross-section (RCS) of 3.7869 square meters, serving as part of its communication mission in space.
Physical Characteristics
Length
6.6
Diameter
2.2
Span
6.6
Dry Mass
507
Launch Mass
603
Shape
Cyl
Radar Cross Section
3.7869
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Galaxy III
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
Unknown
Bus
HS-376
Configuration
HS-376
Motor
TE-M-700-5
Equipment
24 (+6) C-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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