Key statistics
Satellite INMARSAT 4-F3 at a glance.
Uptime
6228
Days in orbit
Revolutions
≈ 1.0
Per day
Orbit
GEO
Geostationary Orbit
Inclination
4.1
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: 1436.112 minutes
Inclination: 4.0548 deg
SMA: 42165.028 km
Apoapsis: 35798.376 km
Periapsis: 35775.409 km
RAAN: 30.2916 deg
Eccentricy: 0.00027234
Argument of periapsis: 144.926 deg
Mean anomaly: 252.4217 deg
Mean motion: 1.0027073 rev/day
Mean motion (dot): -0.0000014 rev/day2
B* drag term: 0.0 1/REarth
Two-line elements (TLE)
Creation date: Sept. 5, 2025, 7:38 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 12:03 p.m. UTC
TLE line 0: 0 INMARSAT 4-F3
TLE line 1: 1 33278U 08039A 25248.50216083 -.00000140 00000-0 00000-0 0 9995
TLE line 2: 2 33278 4.0548 30.2916 0002723 144.9260 252.4217 1.00270730 43692
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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