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TDRS-12

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TDRS-12 is classified as:


NORAD ID: 39504
Int'l Code: 2014-004A
Perigee: 35,764.0 km
Apogee: 35,826.5 km
Inclination: 3.8 °
Period: 1,436.2 minutes
Semi major axis: 42166 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   25338.99183935 -.00000260  00000-0  00000-0 0  9997
2 39504   3.7995  15.5395 0007402 243.8186 130.7634  1.00266445 42333
Source of the keplerian elements: AFSPC