Publicação: A study of the relative velocities of small particles that are orbiting the earth
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Resumo
The evolution of the velocity of the particles with respect to the circular orbits of satellites that are around the Earth that the particles will cross, suggests a range of possible velocities of impact as a function of the altitude of the satellite. A study made from those results show that the maximum relative velocities occur at the semi-latus rectum, independent of the initial semi-major axis of the particle. Considering both the solar radiation pressure and the oblateness of the Earth, it is visible that a precession in the orbit occurs and there is also a variation in the eccentricity of the particle as a function of its orbital region and its size. This is important information, because the damage caused in a spacecraft depends on the impact velocity.
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Circular orbits, Impact velocities, Oblateness, Relative velocities, Semi-major axis, Small particles, Solar radiation pressures, Orbits, Probability density function, Space flight, Sun, Velocity, Mechanics
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Inglês
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Advances in the Astronautical Sciences, v. 130 PART 1, p. 467-475.
