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INTELSAT 4A-F3 (10557)
COSPAR: 1978-002A | Alt Name: INTELSAT IVA F3
Image
Additional Sources
Launch Details
Launch Date
January 7, 1978
Launch Site
Launch Pad
LC36B
Launch Vehicle
Atlas SLV-3D Centaur
Orbital Elements
NORAD ID
10557
International Designator
1978-002A
Epoch
Fri, 03 Jul 2026 23:34:50 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
8.96°
Right Ascension
312.59°
Eccentricity
Calculating...
Argument of Perigee
295.24°
Period
1441.40 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
INTELSAT 4A-F3
Alternative Name
INTELSAT IVA F3
Type
Payload
Status
Non-operational
Owner
INTEL
Country
INTELSAT
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 10557U 78002A 26184.98253454 .00000098 00000-0 00000-0 0 9993
2 10557 8.9613 312.5904 0003356 295.2364 257.5781 0.99903093 48918
Source: Celestrak
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
7
Diameter
2.4
Span
7
Dry Mass
630
Launch Mass
769
Shape
Cyl + 2 Dish
Radar Cross Section
9.9627
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
INTELSAT IVA F3
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
7 years
Bus
HS-353
Configuration
HS-353
Motor
SVM-4A
Equipment
20 C-band transponders
Power System
Solar cells (body mounted), 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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