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TDRS-12

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TDRS-12 is classified as:


NORAD ID: 39504
Int'l Code: 2014-004A
Perigee: 35,782.4 km
Apogee: 35,806.0 km
Inclination: 4.0 °
Period: 1,436.1 minutes
Semi major axis: 42165 km
RCS: Unknown
Launch date: January 23, 2014
Source: United States (US)
Launch site: AIR FORCE EASTERN TEST RANGE (AFETR)

TDRS-12 is a member of NASA's Tracking and Data Relay Satellite system. The TDRS network receives signals from vehicles like the space station flying at a mere 250 miles (402 km) and routes the telemetry, voice, video and science information to a dedicated ground terminal for delivery to Houston.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE): 
1 39504U 14004A   26159.47819601 -.00000256  00000-0  00000+0 0  9992
2 39504   3.9682  18.9354 0002794 197.5884 171.6014  1.00270201 44196
Source of the keplerian elements: AFSPC