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Track INMARSAT 5-F4 now!
INMARSAT 5-F4 is classified as:

NORAD ID: 42698
Int'l Code: 2017-025A
Perigee: 35,957.8 km
Apogee: 35,965.1 km
Inclination: 0.0 °
Period: 1,444.7 minutes
Semi major axis: 42332 km
RCS: Unknown
Launch date: May 15, 2017
Source: International Mobile Satellite Organization (INMARSAT) (IM)

INMARSAT 5-F4 is a geostationary satellite designed to beam Internet and data transmission capacity to airline passengers, maritime crews and military personnel. The satellite is the fourth member of Inmarsat's broadband communications fleet, a $1.6 billion initiative named Global Xpress conceived to connect aircraft, ships at sea, and mobile users on land through an umbrella of worldwide Ka-band beams. Each Inmarsat 5-series Global Xpress satellite carries 89 fixed and six steerable spot beams in Ka-band. The company's earlier satellites broadcast in L-band, but Inmarsat switched to Ka-band for the Global Xpress system, offering improved downlink communications speeds to 50 megabits per second, with up to 5 megabits per second on the uplink side.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 42698U 17025A   18083.20497548 -.00000243  00000-0  00000+0 0  9992
2 42698   0.0469 302.4608 0000863  51.7398   5.7870  0.99676401  3128
Source of the keplerian elements: AFSPC