Other
Scientific paper
Nov 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001dps....33.4807s&link_type=abstract
American Astronomical Society, DPS Meeting #33, #48.07; Bulletin of the American Astronomical Society, Vol. 33, p.1127
Other
Scientific paper
Odyssey was launched on April 7, 2001. All the instruments were operated during cruise and checked out or calibrated. The Russian Space Agency High Energy Neutron Spectrometer (HEND) detected several gamma bursts in real time. Observation of these events by other spacecraft allows rapid determination of their position so that they can be quickly traced to look for associated optical or x-ray signals. The LANL Neutron Spectrometer and the UAz Gamma Sensor (GRS) were operated to determine the spacecraft signature in their data in preparation for orbital operation. THEMIS obtained calibration images of the Earth-Moon and star images. The Martian Radiation Environment Experiment (MARIE), built by Johnson Space Center, operated for 540 hours in cruise, measuring the radiation flux in terms of human exposure enroute to Mars. The spacecraft will be placed into, nominally, a 19-hour orbit on the evening of October 23. An aerobraking sequence will put the spacecraft into a 2 hour, 400 km, circular, polar orbit by early January, 2002. Soon after MOI, all instruments will be turned on for a series of observations. HEND will remain on during aerobraking. In final mapping orbit the GRS will acquire a global map of the elemental composition of the surface, including hydrogen. MARIE will characterize the Mars radiation environment for radiation-related risk to human explorers. MARIE failed to respond to commands in mid August, and diagnostics to determine a fix will begin after mapping orbit is achieved. THEMIS will map the mineralogy and morphology of the Martian surface using a high-resolution camera and a thermal infrared imaging spectrometer with 100m resolution at 10 bands between 6.5 and14.5 microns. The THEMIS 18m resolution imaging mode can provide a global high-resolution map. Odyssey is a NASA Office of Space Science mission managed and operated by JPL and Lockheed Martin Astronautics.
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