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USA 247 (NROL-39)

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USA 247 (NROL-39) is classified as:


NORAD ID: 39462
Int'l Code: 2013-072A
Perigee: 1,108.0 km
Apogee: 1,113.9 km
Inclination: 123.0 °
Period: 107.3 minutes
Semi major axis: 7481 km
RCS: Unknown
Launch date: December 6, 2013
Source: United States (US)
Launch site: AIR FORCE WESTERN TEST RANGE (AFWTR)

USA 247 is owned by the National Reconnaissance Office, but government officials do not disclose the identities of the NRO's spacecraft, only saying the payload will serve national security purposes. Independent satellite-watchers believe the spacecraft will join the NRO's fleet of spacecraft with radars to penetrate cloaks of clouds and darkness and reveal what adversaries are doing regardless of weather or time of day.
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NASA's NSSDC Master Catalog

Two Line Element Set (TLE):
1 39462U 13072A   24069.17095671 0.00000030  00000-0  53687-4 0    03
2 39462 122.9940 329.5699 0003930 171.1058 188.8941 13.41473538    02
Source of the keplerian elements: McCants