NASA's Jupiter-Bound Spacecraft Taking Shape in Denver

MEDIA RELATIONS OFFICE
JET PROPULSION LABORATORY
CALIFORNIA INSTITUTE OF TECHNOLOGY
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
PASADENA, CALIFORNIA 91109. TELEPHONE 818-354-5011
http://www.jpl.nasa.gov

DC Agle 818-393-9011
Jet Propulsion Laboratory, Pasadena, Calif.
agle@jpl.nasa.gov

Dwayne Brown 202-358-1726
NASA Headquarters, Washington DC
dwayne.c.brown@nasa.gov

Gary Napier 303-971-4012
Lockheed Martin Space Systems, Denver, Co.
Gary.p.napier@lmco.com

Image advisory: 2011-068 March 7, 2011

NASA's Jupiter-Bound Spacecraft Taking Shape in Denver

The full version of this story with accompanying images is at:
http://www.jpl.nasa.gov/news/news.cfm?release=2011-068&cid=release_2011-068

NASA's Juno spacecraft is currently undergoing environmental testing at Lockheed Martin Space
Systems near Denver. The solar-powered Juno spacecraft will orbit Jupiter's poles 33 times to find out
more about the gas giant's origins, structure, atmosphere and magnetosphere. The launch window for
Juno from the Cape Canaveral Air Force Station in Florida opens Aug. 5, 2011.

In its present form, the spacecraft is fully assembled and all instruments have been integrated. A
photograph of the fully assembled spacecraft is available at:
http://www.nasa.gov/mission_pages/juno/multimedia/juno20110307i.html

In this photo, taken on Jan. 26, Juno had just completed acoustics testing that simulated the acoustic
and vibration environment the spacecraft will experience during launch. The photo shows Lockheed
Martin technicians inspecting the spacecraft just after the test. All three solar array wings are installed
and stowed, and the spacecraft's large high-gain antenna is in place on the top of the avionics vault.

At present, Juno is sealed in a large thermal vacuum chamber, where it is being exposed to the
extreme cold and vacuum conditions it will experience on its voyage to Jupiter. The two-week-long
test will simulate many of the flight activities the spacecraft will execute during the mission.

Juno is scheduled to ship from Lockheed Martin's facility to Kennedy Space Center in early April,
where it will undergo final preparations and launch.

NASA's Jet Propulsion Laboratory, Pasadena, Calif., manages the Juno mission for the principal
investigator, Scott Bolton, of Southwest Research Institute at San Antonio, Texas. Lockheed Martin
Space Systems, Denver, is building the spacecraft. The Italian Space Agency in Rome is contributing
an infrared spectrometer instrument and a portion of the radio science experiment. JPL is a division of
the California Institute of Technology in Pasadena.

More information about Juno is online at http://www.nasa.gov/juno .

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