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libration point

Extension of Earth-Moon libration point orbits with solar sail propulsion

Extension of Earth-Moon libration point orbits with solar sail propulsion

... the libration point orbits that are stable in the classical sys- tem (Earth-centred and DROs), stability is maintained for small solar sail accelerations, but is lost for larger sail accel- ...enabled ...

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Orbital motions of a solar sail around the L2 Earth-Moon libration point

Orbital motions of a solar sail around the L2 Earth-Moon libration point

... Based on the assumption that the inclination of the lunar orbit to the ecliptic plane is small, a new family of new quasi-periodic orbits above the libration point in the Earth-Moon system is proposed for ...

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Characteristic Exponent of Collinear Libration Point in L2 in Photo – Gravitational Restricted Problem of 2+2 Bodies when Bigger Primary is a Triaxial Rigid Body Perturbed by Coriolis and Centrifugal Forces

Characteristic Exponent of Collinear Libration Point in L2 in Photo – Gravitational Restricted Problem of 2+2 Bodies when Bigger Primary is a Triaxial Rigid Body Perturbed by Coriolis and Centrifugal Forces

... collinear libration point L 2 in photo – gravitational restricted problem of 2+2 bodies when bigger primary is a triaxial rigid body perturbed by coriolis and centrifugal forces has been studied in which it ...

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Stability of Collinear Libration Point L3 in Photo – Gravitational Restricted Problem of 2+2 Bodies when Bigger Primary is a Triaxial Rigid Body Perturbed by Coriolis and Centrifugal Forces

Stability of Collinear Libration Point L3 in Photo – Gravitational Restricted Problem of 2+2 Bodies when Bigger Primary is a Triaxial Rigid Body Perturbed by Coriolis and Centrifugal Forces

... of libration points in the restricted three-body problem when the primaries are triaxial rigid bodies”, Celestial Mechanics and Dynamical Astronomy, 2001; 79, ...“Libration point and stability in ...

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Natural motion around the Martian moon Phobos : The dynamical substitutes of the libration point orbits in an elliptical three-body problem with gravity harmonics

Natural motion around the Martian moon Phobos : The dynamical substitutes of the libration point orbits in an elliptical three-body problem with gravity harmonics

... the Libration Point Orbits (LPOs) are computed in this more realistic model of the relative dynamics around Phobos, combining methodologies from dynamical systems theory and numerical continuation ...

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End-of-life disposal concepts for libration point orbit and highly elliptical orbit missions

End-of-life disposal concepts for libration point orbit and highly elliptical orbit missions

... Libration Point Orbits (LPOs) and Highly Elliptical Orbits (HEOs) are often se- lected for astrophysics and solar terrestrial missions. No guidelines currently ex- ist for their end-of life. However, as ...

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End-of-life disposal trajectories for libration point and highly elliptical orbit missions

End-of-life disposal trajectories for libration point and highly elliptical orbit missions

... the Libration point or Earth-centred orbits with very high apogee lie in a highly perturbed environment due to the chaotic behaviour of the multi-body dynamics 1 ; moreover, due to their challenging mission ...

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End-of-life disposal concepts for libration point and highly elliptical orbit missions

End-of-life disposal concepts for libration point and highly elliptical orbit missions

... the Libration point or Earth-centred orbits with very high apogee lie in a highly perturbed environment due to the chaotic behaviour of the multi-body dynamics 1 ; moreover, due to their challenging mission ...

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Dynamical systems techniques for designing libration point orbits in proximity of highly-inhomogeneous planetary satellites : Application to the Mars-Phobos elliptic three-body problem with additional gravity harmonics

Dynamical systems techniques for designing libration point orbits in proximity of highly-inhomogeneous planetary satellites : Application to the Mars-Phobos elliptic three-body problem with additional gravity harmonics

... key point is that not only the revolution of Phobos around Mars and the rotation around its spin axis are synchronous, but they are also respectively equatorial and zero-tilted [26], therefore Phobos’ attitude is ...

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Dynamical systems techniques for designing libration point orbits in proximity of highly-inhomogeneous planetary satellites : Application to the Mars-Phobos elliptic three-body problem with additional gravity harmonics

Dynamical systems techniques for designing libration point orbits in proximity of highly-inhomogeneous planetary satellites : Application to the Mars-Phobos elliptic three-body problem with additional gravity harmonics

... a point-mass inside the gravitational field generated by two spherical homogeneous bodies moving in circular orbits around their common center of ...the Libration points (LPOs) have been computed ...

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Effect of Perturbations in Coriolis and Centrifugal Forces on the Non Linear Stability of L4 in the Photogravitational Restricted Three Body Problem

Effect of Perturbations in Coriolis and Centrifugal Forces on the Non Linear Stability of L4 in the Photogravitational Restricted Three Body Problem

... of libration point ( L 4 ) when both the primaries are axis symmetric bodies and the bigger primary is a source of ...non-collinear libration points and their stability (in linear sense) in the ...

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Non Linear Stability of L4 in photogravitational CRTBP

Non Linear Stability of L4 in photogravitational CRTBP

... We have investigated the non-linear stability of the triangular libration point L 4 of the Restricted Three Body Problem, when both the primaries are axes symmetric and source of radiation. It is found ...

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Numerical study of the linear and nonlinear dynamics near l1 and l2 points in the earth moon system

Numerical study of the linear and nonlinear dynamics near l1 and l2 points in the earth moon system

... Moon libration point, operating successfully in this dynamical regime from August 2010 through July 2011, libration point missions were included as part of “The Global Exploration Roadmap” ...

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Solar Radiation Pressure Effects on Stability of Periodic Orbits in Restricted Four Body Problem

Solar Radiation Pressure Effects on Stability of Periodic Orbits in Restricted Four Body Problem

... they are more closed around the libration point (the center). Here, the regular islands are expanded gradually because of radiation pressure. Again, the island centered about x = 1.06 shows that the ...

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Lissajous Orbits at the Collinear Libration Points in the Restricted Three Body Problem with Oblateness

Lissajous Orbits at the Collinear Libration Points in the Restricted Three Body Problem with Oblateness

... the libration points the following technique will be ...of libration point as initial values, it is needed to reduce the order of the differential equations system as follows, let ...

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Displaced solar sail orbits : Dynamics and applications

Displaced solar sail orbits : Dynamics and applications

... For convenience the sail attitude is fixed such that the sail normal vector n, points always along the direction of the Sun-line with the following constraint S · n ≥ 0. Its direction is described by the pitch angle γ ...

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Displaced solar sail orbits : dynamics and applications

Displaced solar sail orbits : dynamics and applications

... For convenience the sail attitude is fixed such that the sail normal vector n , points always along the direction of the Sun-line with the following constraint S · n ≥ 0. Its direction is described by the pitch angle γ ...

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Opportunities for asteroid retrieval missions

Opportunities for asteroid retrieval missions

... To generate the entire family of planar and vertical Lyapunov periodic orbits, we start by generating an approximate solution with the associated frequency very close to the libration point (Howell, 2001). ...

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Collinear Libration Points in the Photogravitational CR3BP with Zonal Harmonics and Potential from a Belt

Collinear Libration Points in the Photogravitational CR3BP with Zonal Harmonics and Potential from a Belt

... get libration points around the inner part of the belt was greater than the one nigh the outer ...new libration points emerge under certain condition ...

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Triangular Libration Points in Elliptic Photogravitational Restricted Three Body Problem with Oblateness

Triangular Libration Points in Elliptic Photogravitational Restricted Three Body Problem with Oblateness

... The ER3BP generalizes the original CR3BP, and improves its applicability, while some outstanding and useful properties of the circular model still hold true or can be adopted to the elliptic case. In particular, possible ...

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