On the nature of the radial and cross track errors for artificial earth satellites

Details On the nature of the radial and cross track errors for artificial earth satellites On the nature of the radial and cross track errors for artificial earth satellites

Jun 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976jansc..24..147b&link_type=abstract

Journal of the Astronautical Sciences, vol. 24, Apr.-June 1976, p. 147-164.

Astronomy and Astrophysics

Astronomy

Artificial Satellites, Error Analysis, Orbital Elements, Orbital Position Estimation, Position Errors, Satellite Tracking, Artificial Satellites, Astrodynamics, Orbit Calculation, Satellite Orbits, Spacecraft Trajectories

Scientific paper

The paper discusses the analysis of the radial and cross track errors of artificial earth satellites in terms of the interference of two one-dimensional celestial mechanical wave trains. The resulting equations for these tracking errors describe the behavior of the uncertainties in the orbital parameters as oscillatory in nature, with a rapidly oscillating term, which is a function of the sum of the observed and computed orbital frequencies, modulated in amplitude by a slowly varying oscillation. This latter term is itself a function of either the difference between these orbital frequencies or between the values of the computed and observed right ascensions, depending upon whether it is the radial or cross track case under consideration. Results indicate that the cross track calculation describes the behavior of uncertainties in the right ascension of the ascending node and the inclination, while the radial calculation gives information on uncertainties in the semi-major axis, the eccentricity, and the argument of perigee.

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