Definitive Orbit of Minor Planet (85) Io from Observations 18651977
Abstract
An improved orbit of minor planet (85) Io is determined from an analysis of all known observations over the 112 year period 18651977. Some 735 observations from 63 apparitions are recorded. A comprehensive bibliography of the observations is given as well as a discussion of the OC residuals. The final solution, based on 548 accurate positions from 54 oppositions, yields a total rms value of 2.61 arcsec.
 Publication:

Astronomische Nachrichten
 Pub Date:
 1979
 DOI:
 10.1002/asna.19793000209
 Bibcode:
 1979AN....300..111S
 Keywords:

 Asteroids;
 Io;
 Orbit Calculation;
 Planetology;
 Solar Orbits;
 Astronomical Photometry;
 Long Term Effects;
 Orbital Elements;
 RootMeanSquare Errors;
 Standard Deviation;
 Astronomy