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Atlas Successfully Launches Classified NRO Satellite
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An Atlas IIAS successfully launched
a classified satellite from Cape Canaveral Air Station, pad LC 36B
at 0232 UTC (7:32 p.m. PDT, October 10) on October 11. Publicly released information
indicates the Atlas will deliver the spacecraft into a
geosynchronous transfer orbit (GTO) with a perigee of 274 km
(147.9 nmi), an apogee of 37,496 km (20,246.4 nmi), with an
inclination to the equator of 26.5 degrees. The spacecraft will
later use its onboard kick motor to achieve a circular
geostationary orbit. Its specific orbital slot remains classified.
The satellite launch was
scheduled months before the September 11 terrorist attack. The
total cost of the mission is reported to be US$500 million with
most of that cost being for the NRO satellite.
The National Reconnaissance Office
(NRO) satellite was built by Boeing. The spacecraft is thought to
be a telecommunication relay satellite
which will be positioned in geostationary orbit, though some
analysts believe the cargo may be a signals intelligence satellite
capable of eavesdropping on communication transmissions from
orbit. A relay satellite in a geostationary
location allows lower altitude imaging spacecraft to transmit data
up to the satellite, which then relays the signals to distant
ground stations for transmission to the U.S. Department of Defense
or Central Intelligence Agency (CIA). The new spacecraft will
support the overall U. S. ability to quickly provide intelligence
data to ground based analysts.
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