Launch Date
January 23, 1972
Launch Site
Launch Pad
LC36B
Launch Vehicle
Atlas SLV-3C Centaur
NORAD ID
05775
International Designator
1972-003A
Epoch
Mon, 20 Jul 2026 06:47:08 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
6.67°
Right Ascension
294.12°
Eccentricity
Calculating...
Argument of Perigee
153.94°
Period
1442.50 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
INTELSAT 4-F4
Alternative Name
INTELSAT IV F4
Type
Status
Owner
INTEL
Country
INTELSAT
Constellation
N/A
Related Satellites
Major Events
N/A
1 05775U 72003A 26201.28273593 -.00000260 00000+0 00000+0 0 9993
2 05775 6.6691 294.1214 0002074 153.9415 57.0579 00.99826390137727
Source: Celestrak
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.
Length
5.3
Diameter
2.4
Span
5.3
Dry Mass
531
Launch Mass
666
Shape
Cyl + 2 Dish
Radar Cross Section
2.1227
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
INTELSAT IV F4
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
Unknown
Bus
HS-312
Configuration
HS-312
Motor
SVM-4A
Equipment
12 C-band transponders
Power System
Solar cells (body mounted), batteries
ADCS
Unknown
Transmitter Frequency
Unknown
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