NASA历表在深空导航中的发展和比较

Development and Comparison of the JPL Ephemerides in Deep Space Exploration

摘要: 利用不同版本的数值历表，对我国正在进行的探月工程以及后续的金星、火星和木星等深空探测中的导航问题进行分析和讨论。对DE405、DE421和DE430的动力学模型及其使用的观测数据进行了分析比较，考察了历表的精度和稳定性。并根据DE430历表简单讨论了木星在我国深空探测站的可视问题，为以后深空导航提供参考。简单讨论了中科院国家天文台行星无线电研究团组基于月球无线电测距（LRR）发展我国自己的历表以及开展基于月球深空导航计划的可行性。

Abstract: Focusing on China's lunar,Venus,Mars and Jupiter missions,we take DE405,DE421 and DE430 as samples to analyze their dynamical models and observation data. By evaluating the accuracies and performances,we investigate the effects on an orbiter around the Moon,Venus and Mars,and also the visible of the Jupiter from earth,and recommend that it is better to use the most new ephemeris for exploration missions. We also briefly introduced the Lunar Radio Ranging experiments in NAOC and its application to lunar ephemeris.