Key statistics
Satellite INMARSAT 4-F3 at a glance.
Uptime
6168
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
GEO
Geostationary Orbit
Inclination
4.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for INMARSAT 4-F3.
Object identification
Identified? True
Debris? False
Object name: INMARSAT 4-F3
International designator: 2008-039A
Object number (NORAD): 33278
Object ID (CCSDS): 33278
Country: INTERNATIONAL MARITIME SATELLITE ORGANIZATION (INMARSAT) (IM)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 1436.094 minutes
Inclination: 4.0044 deg
SMA: 42164.682 km
Apoapsis: 35797.08 km
Periapsis: 35776.014 km
RAAN: 30.0187 deg
Eccentricy: 0.0002498
Argument of periapsis: 81.1875 deg
Mean anomaly: 139.9288 deg
Mean motion: 1.00271964 rev/day
Mean motion (dot): -0.00000126 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: July 7, 2025, 6:34 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 7, 2025, 4:14 a.m. UTC
TLE line 0: 0 INMARSAT 4-F3
TLE line 1: 1 33278U 08039A 25188.17706781 -.00000126 00000-0 00000-0 0 9994
TLE line 2: 2 33278 4.0044 30.0187 0002498 81.1875 139.9288 1.00271964 43084
Live tracking on map
Real-time ground track for satellite INMARSAT 4-F3.
In-orbit conjunctions
There are no conjunctions computed for INMARSAT 4-F3, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Inmarsat geostationary communications satellite
INMARSAT 4-F3 was lifted into orbit during the mission ‘Proton-M Briz-M | Inmarsat 4 F3’, on board a Proton-M Briz-M space rocket.
The launch took place on Aug. 18, 2008, 10:43 p.m. from 200/39 (200L).
For more information about the launch, click the button.
Proton-M Briz-M | Inmarsat 4 F3
Agency: N/A
Status: Launch Successful
Launch date: Aug. 18, 2008, 10:43 p.m. UTC
Rocket: Proton-M Briz-M
Launch pad: 200/39 (200L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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