Satellite health monitoring is a specialized task usually carried out by human experts. In this paper, we address the task of monitoring by defining it as an anomaly and event detection task cast in Case Based Reasoning framework. We discuss how each CBR step is achieved in a time series domain such as the Satellite health monitoring. In the process, we define the case structure in a time series domain, discuss measures of distance between cases and address other issues such as building initial Case Base and determining similarity threshold. We briefly describe the system that we have built, and end the paper with a discussion on possible extensions to current work. © Springer-Verlag 2004.