Subject: How are interplanetary space craft navigated?
Date: Thu Dec 2 16:17:44 1999
Posted by Fred Flemming
Grade level: grad (science)
School: No school entered.
City: Allentown State/Province: PA
Area of science: Astronomy
Newspaper accounts of the recent loss of the Mars Climate Orbiter suggest
that the space craft's "handlers" had no direct measurements of its
position along its course but rather were using some form of dead
reckoning based on calculated thrust values (which had a units conversion
error). Is the position and course of unmanned spacecraft measured or
Re: How are interplanetary space craft navigated?
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