Analyses of orbital lifetime and observation conditions of small lunar satellites

Zeile, Oliver; Lachenmann, Michael; Baumstark, Eduard; Mohr, Alexandra; Bock, Dagmar; Laufer, René; Sneeuw, Nico; Röser, Hans‐Peter

doi:10.1016/j.actaastro.2009.07.008

Cited by 2 publications

(2 citation statements)

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“…The orbital lifetime depends on the initial orbital parameters of the satellite. Some of the important contributions on the study of dependence of lunar orbital lifetime on initial orbital parameters are by Mayer, Buglia and Desai [9], Ramanan and Adimurthy [10], Hai-Hang Wang, Lin Liu [11] and Zeile et al [12].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Altitude, Right Ascension of Ascending Node and Inclination on Lifetime of Circular Lunar Orbits

Shraddha¹,

Krishan²

2011

IJAA

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The lifetime of a lunar satellite orbit is constrained by the non-spherical nature of the Moon’s gravity field. The orbital lifetime of lunar orbits depends significantly on the initial conditions of the orbit. Right ascension of ascending node (Ω) is one of the important orbital parameter affecting the orbital lifetime. In the present work we have analyzed the effect of Ω on the variation of lifetime with altitude for circular lunar orbits. It is found that at a particular initial altitude, a small increase in the altitude results in substantial increase in the orbital lifetime due to effect of the long periodic terms of Earth’s gravity on eccentricity and this transition altitude is different for different Ω. Further, it is observed that the variation of transition altitude with Ω follows a definite, but different trend for orbits with different inclinations. The transition altitude for polar orbits is found to be higher without the effect of Sun and Earth gravity. Variation of transition altitude with orbital inclination is also analyzed. Lifetimes of high altitude circular lunar orbits are analyzed and it is observed that at high altitudes lifetime decreases with altitude

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Section: Introductionmentioning

confidence: 99%

“…They also validated their results numerically. Zeile et al [12] investigated the effect of initial inclination, right ascension of ascending node and argument of perigee on the orbital lifetime along with the ground coverage analysis.…”

Section: Introductionmentioning

confidence: 99%