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IRIDIUM 4 (24796)
COSPAR: 1997-020E | Alt Name: Iridium 4
Image
Additional Sources
Launch Details
Launch Date
May 5, 1997
Launch Site
AFWTR
Launch Pad
SLC2W
Launch Vehicle
Delta 7920-10C
Orbital Elements
NORAD ID
24796
International Designator
1997-020E
Epoch
Sat, 04 Jul 2026 05:41:22 GMT
Apogee
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Perigee
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Inclination
86.39°
Right Ascension
13.33°
Eccentricity
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Argument of Perigee
86.14°
Period
100.20 min
Mean Motion
14.37 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
IRIDIUM 4
Alternative Name
Iridium 4
Type
Payload
Status
Non-operational
Owner
IRID
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 24796U 97020E 26185.23706706 .00000357 00000-0 11349-3 0 9995
2 24796 86.3950 13.3266 0002124 86.1407 274.0034 14.37169193527331
Source: Celestrak
Summary
IRIDIUM 4 is a communication satellite, designated by NORAD CAT ID 24796 and OBJECT ID 1997-020E. Launched on May 5, 1997, from AFWTR SLC2W using the Delta 7920-10C launch vehicle, it has a configuration of LM-700A and was manufactured by MOTO/LMMS. The satellite measures 3.5 meters in length with a diameter of 1 meter and a span of 5 meters. Its dry mass is 556 kilograms, and at launch, its total mass was 662 kilograms. Equipped with two deployable solar arrays and batteries for power supply, it has a Box + 2 Pan shape with an RCS of 3.661. The satellite's primary purpose is communication as part of the Iridium constellation system. Its mission owner is IRID, and its payload is identified as Iridium SV004. The expected operational lifetime was approximately 8 years from its launch date.
Physical Characteristics
Length
3.5
Diameter
1
Span
5
Dry Mass
556
Launch Mass
662
Shape
Box + 2 Pan
Radar Cross Section
3.661
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Iridium SV004
Purpose
Communication
Mission
Communication
Manufacturer
MOTO/LMMS
Life Expectancy
8 years
Bus
LM700
Configuration
LM-700A
Motor
?
Equipment
?
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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