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INMARSAT 4-F2 (28899)
COSPAR: 2005-044A | Alt Name: INMARSAT 4 F2
Image
Additional Sources
Launch Details
Launch Date
November 8, 2005
Launch Site
SEAL
Launch Pad
KLA -
Launch Vehicle
Zenit-3SL
Orbital Elements
NORAD ID
28899
International Designator
2005-044A
Epoch
Fri, 03 Jul 2026 13:07:51 GMT
Apogee
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Perigee
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Inclination
5.12°
Right Ascension
43.66°
Eccentricity
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Argument of Perigee
51.00°
Period
1436.12 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
INMARSAT 4-F2
Alternative Name
INMARSAT 4 F2
Type
Payload
Status
Operational
Owner
INMRL
Country
United Kingdom
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 28899U 05044A 26184.54712442 -.00000252 00000-0 00000-0 0 9999
2 28899 5.1157 43.6643 0003120 50.9964 167.3520 1.00269985 75682
Source: Celestrak
Summary
INMARSAT 4-F2 is a communication satellite with a NORAD identification number of 28899 and an object ID of 2005-044A, manufactured by ASTT. Launched on November 8, 2005, from the Sea Launch site using a Zenit-3SL launch vehicle, it has a length of 7 meters, diameter of 2.9 meters, and spans 45 meters when fully deployed. The satellite weighs 5958 kg at launch with a dry mass of 3271 kg. Equipped with L-band payload, GAGAN payload, EGNOS payload, and WAAS payload, it is powered by two deployable solar arrays and batteries. It has a mission lifetime of 13 years and operates for communication purposes. The satellite's shape is described as Box + 2 Pan + Dish with an RCS value of 4.4668. Owned by INMRL, the satellite was launched from the Kourou Launch Area (KLA) in French Guiana.
Physical Characteristics
Length
7
Diameter
2.9
Span
45
Dry Mass
3271
Launch Mass
5958
Shape
Box + 2 Pan + Dish
Radar Cross Section
4.4668
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
INMARSAT 4 F2
Purpose
Communication
Mission
Communication
Manufacturer
ASTT
Life Expectancy
13 years
Bus
Eurostar 3000GM
Configuration
Eurostar-3000GM
Motor
R-4D-15-375
Equipment
L-band payload (all); GAGAN payload (#F3); EGNOS payload (#F2); WAAS payload (#F3)
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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