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- W2139648311 abstract "This paper is concerned with the determination of the shape and magnitude of the gravitational force field surrounding the libration points of the restricted Earth-moon system and indicates the propulsive velocity requirements for vehicle station -keeping in these regions. The effects resulting from solar perturbations and the eccentricty of the lunar orbit are indicated. It is found that around each libration point the curves generated by the intersections of the equipotential surfaces with the Earth-moon plane are oval, resembling concentric ellipses (of varying fineness ratio), and have their major axes aligned at right angles to the lines joining the respective libration points with the Earth. Expressed by the ratio of their major to minor axes, the shapes of these curves vary from 95:1 (a highly elongated oval) near the two equilateral- triangle points down to 3.4:1 near the translunar point and 2.7:1 near the cislunar point. The contours of constant acceleration and the direction of the vectors are shown in the figures. For convenience, the characteristic velocity requirements for one month's station-keeping are given. It can be seen that station-keeping is less costly around the equilateral- triangle point than near the linear libration points." @default.
- W2139648311 created "2016-06-24" @default.
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- W2139648311 date "1963-04-01" @default.
- W2139648311 modified "2023-09-25" @default.
- W2139648311 title "GRAVITATIONAL FORCE FIELD IN THE VICINITY OF THE EARTH-MOON LIBRATION POINTS" @default.
- W2139648311 cites W75444047 @default.
- W2139648311 doi "https://doi.org/10.2514/3.1651" @default.
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