NASA GSFC Lunar Reconnaissance Orbiter (LRO) Orbit Estimation and Prediction

This paper details the upgrades performed and also provides an overview of the performance of these upgrades during the actual support of the mission. Also presented are details of the integration of the software tools and automation implemented, including an overview of the integration of government legacy orbit estimation tools and automation with two commercial off-the-shelf (COTS) tools used in the support. The paper also presents the navigational approach for different phases of the mission including the Earth -centered cislunar phase, the lunar orbital insertion maneuvers, and the lunar environment.