Statistics – Computation
Scientific paper
Apr 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980stin...8032312t&link_type=abstract
Unknown
Statistics
Computation
Asteroids, Computer Programs, Space Observations (From Earth), Coding, Coordinates, Orbital Position Estimation, Position Errors
Scientific paper
The design of software to be used for the planning of minor plant planet observations and the identification of a particular asteroid when it is observed at a given time is discussed. In each case the large number of cataloged asteroids (approximately 2200) has required that the software be optimal with respect to execution speed. This is accomplished by using an approximate geocentric ecliptic position to eliminate, as quickly (in terms of CPU time) as possible, the minor planet from further consideration. In particular, using the type of analysis applicable to near-stationary artificial satellites, and carefully quantifying the nature of the approximations, an approximate geocentric ecliptic latitude and longitude are obtained in such a fashion that the computations needed for these are not only minimal but, should the actual location of the minor planet be needed, maximally used there too. The user's interaction with the software documentation of the calculations, sample outputs, and the rationale of observing asteroids are also discussed.
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