IRIDIUM 139

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IRIDIUM 139 is classified as:

Iridium

NORAD ID: 42963

Int'l Code: 2017-061J

Perigee: 783.2 km

Apogee: 786.4 km

Inclination: 86.4 °

Period: 100.4 minutes

Semi major axis: 7155 km

RCS: Unknown

Launch date: October 9, 2017
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

IRIDIUM 139 is one of the 10 Iridium satellites placed on orbit by a SpaceX Falcon 9 rocket on October 9, 2017. All satellites were inserted into Plane 4 of the Iridium constellation, which is spread around the globe in six orbital planes, or pathways, to ensure worldwide coverage. The Iridium fleet requires at least 66 operational satellites for constant global service. Designed for 15-year lifetimes, the new satellites replace aging spacecraft that have relayed voice and data traffic around the world since the late 1990s and early 2000s. All of the Iridium Next satellites host radio receivers for Aireon, an affiliate of Iridium established in partnership with air traffic control authorities in Canada, Ireland, Italy and Denmark.

1 42963U 17061J   18321.49622427 +.00000077 +00000-0 +20547-4 0  9996
2 42963 086.3955 102.2598 0002290 090.2395 269.9063 14.34216400058003

Source of the keplerian elements: AFSPC