Computer Science – Performance
Scientific paper
Jun 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jhatd..19..142c&link_type=abstract
Johns Hopkins APL Tech. Dig., Vol. 19, No. 2, p. 142 - 157
Computer Science
Performance
Minor Planets: Space Instrumentation, Minor Planets: Laser Ranging
Scientific paper
In 1999, after a 3-year transit through space, the Near Earth Asteroid Rendezvous (NEAR) spacecraft will place a scientific payload consisting of five instruments into a low-altitude orbit (≍35 km) about the asteroid 433 Eros for 1 year. One instrument, the NEAR Laser Rangefinder (NLR), will use infrared laser pulses to provide astrophysicists with precision altimetry data, measurements that were previously unavailable from asteroid observations. These data will accurately map Eros's topology, identify and characterize small-scale surface features, and precisely determine overall volume and mass once they are combined with navigation data. Objectives associated with the NLR science mission are presented along with performance specifications and instrument design details. The method by which NLR performance was analyzed is described, as are tests used to verify its performance and operability.
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