Publication List:  Li H. N., Geostationary Satellite Orbital Analysis and Collocation Strategies [M], Beijing: National Defense industry Press, 2010.10. [In Chinese]  Li H. N., Gao Y. J., etc. the strategies and algorithms study for multi-GEO satellites collocation[J], Journal of Astronautics, Vol. 30, No. 3:967-973. [In Chinese]  Li H. N., The Separation Methods and Station Keeping Algorithms For Multi-GEOS Collocation [C], the 60th International Astronautical Congress,Daejeon, Republic of Korea.  Li H. N., Li J. S., on-line orbit determination method for satellite with continuous thrust acceleration [J], System Engineering and Electronics, 2010(09):1957-1961.[in Chinese]  Li H. N., Li J. S., A dynamic model compensation orbit determination method for maneuvering satellite [J], Journal of Astronautics, Vol. 31, No. 10: 2269:2275.  Li H. N., Li J. S., Analyzing perturbation motion and studying configuration maintenance strategy for compass-M navigation constellation, Journal of Astronautics, Vol. 31, No. 7:1756-1761. [in Chinese]  Li H. N., Li J. S., on-line minimum variance estimation for thrust acceleration during orbit transfer process, Journal of Astronautics, Vol. 23, No. 5, 2002(09):76:80.