Improved leap-frog symplectic integrators for orbits of small eccentricity in the perturbed Kepler problem

被引：4

作者：

Guzzo, M ^{[1
]}

机构：

[1] Univ Padua, Dipartimento Matemat Pura & Applicata, I-35131 Padua, Italy

来源：

CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY | 2001年 / 80卷 / 01期

关键词：

symplectic integrators; leap-frog integrators;

D O I：

10.1023/A:1012288817224

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

I have improved the precision of the leap-frog symplectic integrators for perturbed Kepler problems at small eccentricities, without significant loss of CPU time. The integration scheme proposed is competitive, in some situations, with the so-called mixed variables integrators.

引用

页码：63 / 80

页数：18

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