Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17.1124l&link_type=abstract
Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, Dec. 1991, p. 1124-1134. In Russian.
Astronomy and Astrophysics
Astronomy
Cislunar Space, Libration, Orbital Mechanics, Solar Orbits, Spacecraft Orbits, Trajectory Analysis, Earth-Moon System, Lunar Gravitation, Orbital Elements
Scientific paper
The mission scheme for transfer to the halo orbit in the earth-sun system proposed by Farquhar (1991) is studied in connection with the Relikt-2 project. According to this scheme, a spacecraft performs two preliminary revolutions along a high-eccentricity orbit. The orbit parameters are chosen so as to provide a close encounter with the moon at the first half-orbiting during the third revolution. As a result, the spacecraft would enter an orbit asymptotically approaching the halo orbit near L2. The moon's gravity effect allows the spacecraft to reach the halo orbit with much smaller dimensions than in the case of direct transfer. A preliminary analysis of approximate trajectories in 1994 is presented.
Liakhova V. A.
Lidov M. L.
Teslenko N. M.
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