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Improving the dynamical reference frame through minor planet orbit correction using crossing point observations

Published online by Cambridge University Press:  03 August 2017

Arthur L. Whipple ,
Raynor L. Duncombe  and
Paul D. Hemenway
Arthur L. Whipple
Affiliation:
The University of Texas at Austin
Raynor L. Duncombe
Affiliation:
The University of Texas at Austin
Paul D. Hemenway
Affiliation:
The University of Texas at Austin

Abstract

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We have begun a program to establish a dynamical reference frame based on the motions of minor planets. The program will utilize observations from the Hubble Space Telescope, and will ultimately tie the HIPPARCOS reference system to a dynamical base. Thirty-four minor planets, 20 of which are suitable for observation with the Hubble Space Telescope, have been selected. Ground based observations, particularly crossing-point observations with long focus reflectors, have been initiated.

A computer program to simultaneously solve for the corrections of the orbits of the 34 minor planets including the crossing-point observations, was successfully run. The observations are treated by the method of W. H. Jeffreys. Using simulated data, solutions with and without crossing point observations demonstrate the value of those observations to produce a homogeneous and coherent set of results.

Type
I. Celestial Reference Systems
Information
Symposium - International Astronomical Union , Volume 128: Earth's Rotation and Reference Frames for Geodesy and Geodynamics , 1988 , pp. 55 - 60
Copyright
Copyright © Reidel 1988 

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