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GALAXY 4R (G-4R) (26298)
COSPAR: 2000-020A | Alt Name: Galaxy 4R
Image
Additional Sources
Launch Details
Launch Date
April 19, 2000
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 42L
Orbital Elements
NORAD ID
26298
International Designator
2000-020A
Epoch
Sat, 04 Jul 2026 00:59:38 GMT
Apogee
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Perigee
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Inclination
12.77°
Right Ascension
23.93°
Eccentricity
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Argument of Perigee
205.32°
Period
1442.41 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 4R (G-4R)
Alternative Name
Galaxy 4R
Type
Payload
Status
Non-operational
Owner
PAN
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 26298U 00020A 26185.04142295 -.00000297 00000-0 00000-0 0 9997
2 26298 12.7654 23.9270 0004149 205.3247 177.6100 0.99833228 95794
Source: Celestrak
Summary
GALAXY 4R (G-4R) is a communication satellite launched by PAN on April 19, 2000, from Guiana Space Centre using an Ariane 42L launch vehicle. The spacecraft measures 4 meters in length and has a diameter of 2.7 meters with a span of 26 meters when its solar arrays are deployed. It weighs 3668 kilograms at launch and 1895 kilograms dry mass. Equipped with 24 C-band transponders and 24 Ku-band transponders, the satellite's power is supplied by two deployable solar arrays and batteries. The spacecraft was manufactured by HSES and has a mission life of 15 years. Its shape is described as Box + 2 Pan and its RCS value is 26.0093.
Physical Characteristics
Length
4
Diameter
2.7
Span
26
Dry Mass
1895
Launch Mass
3668
Shape
Box + 2 Pan
Radar Cross Section
26.0093
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Galaxy IVR
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
15 years
Bus
HS-601HP
Configuration
HS-601HP
Motor
R-4D-11-300
Equipment
24 C-band transpondes, 24 Ku-band 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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