A method for determining the perturbed orbits of unknown space objects from optical observations

Details A method for determining the perturbed orbits of unknown space objects from optical observations A method for determining the perturbed orbits of unknown space objects from optical observations

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64..187p&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Jan.-Feb. 1987, p. 187-195. In Russian.

Astronomy and Astrophysics

Astronomy

2

Artificial Satellites, Astrodynamics, Orbit Calculation, Orbit Perturbation, Visual Observation, Celestial Mechanics, Chebyshev Approximation, Space-Time Functions, Universal Time

Scientific paper

The paper presents a direct method for calculating, in initial space-time, the position and velocity vectors of unidentified artificial celestial bodies in the framework of the generalized problem of two fixed centers using measurements of angular coordinates. It is concluded that the elements of the preliminary orbits of artificial earth satellites determined from optical observations in models of intermediate motion are more effective than Keplerian orbital elements in calculating search ephemerides and refining the preliminary satellite orbits.

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