Publicação: Influence of nonsphericity of planetary satellites and perturbation of the third-body on the artificial satellites motion
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Some orbital characteristics of lunar artificial satellites is presented taking into account the perturbation of the third-body in elliptical orbit and the non-uniform distribution of mass of the Moon. We consider the development of the non-sphericity of the Moon in zonal spherical harmonics up to the ninth order and sectorial harmonic C 22 due to the lunar equatorial ellipticity. The motion of the artificial satellite is studied under the single-averaged analytical model. The average is applied to the mean anomaly of the satellite to analyze low-altitude orbits which are of highest importance for future lunar missions. We found families of frozen orbits with long lifetimes for the problem of an orbiter travelling around the Moon.
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Celestial mechanics, Frozen orbits, Keywords, Lunar artificial satellite, Elliptical orbits, Frozen orbit, Long lifetime, Low-altitude, Non-uniform distribution, Nonsphericity, Orbital characteristics, Planetary satellites, Spherical harmonics, Astrophysics, Harmonic analysis, Moon, Orbits, Satellites
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Inglês
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62nd International Astronautical Congress 2011, IAC 2011, v. 6, p. 4922-4927.
