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Track INMARSAT 4-F3 now!
INMARSAT 4-F3 is classified as:

NORAD ID: 33278
Int'l Code: 2008-039A
Perigee: 35,856.4 km
Apogee: 35,883.8 km
Inclination: 3.0 °
Period: 1,440.0 minutes
Semi major axis: 42241 km
RCS: 17.825 m2 (large)
Launch date: August 18, 2008
Source: International Mobile Satellite Organization (INMARSAT) (IM)

The Inmarsat 4-series satellites transmit over 200 spot beams to deliver strong signals to the small receivers. Each craft has a giant unfurlable antenna reflector stretching 30 by 39 feet (9 by 12 m). The new craft are 60 times more powerful and have 20 times more capacity than their predecessors, the Inmarsat 3-series of satellites. Once the F3 spacecraft becomes operational later this year, the next-generation constellation will provide global coverage for users at sea, in the air and on land.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 33278U 08039A   16296.34890639 -.00000164  00000-0  00000+0 0  9990
2 33278   3.0212 359.0321 0003248 225.5249 194.2947  1.00271932 29925
Source of the keplerian elements: AFSPC