INMARSAT 5-F4

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INMARSAT 5-F4 is classified as:

Geostationary

NORAD ID: 42698

Int'l Code: 2017-025A

Perigee: 35,793.5 km

Apogee: 35,794.5 km

Inclination: 0.0 °

Period: 1,436.1 minutes

Semi major axis: 42165 km

RCS: Unknown

Launch date: May 15, 2017
Source: International Mobile Satellite Organization (INMARSAT) (IM)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

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.

1 42698U 17025A   20271.40465959  .00000052  00000-0  00000+0 0  9994
2 42698   0.0029 146.9784 0000122  72.0010 349.8515  1.00270755 12315

Source of the keplerian elements: AFSPC