ENGINEERING DATABASE FOR ISAS SPACECRAFT OPERATIONNEEDS (EDISON)

摘要

EDISON is a database system to accumulatedata, which are closely related to spacecraft operationneeds and incident analysis, from various sources anddeliver them as physical quantities. The data, whichare carefully selected, include HK telemetry from thespacecraft, operation status of ground systems,forecasted and determined orbits, attitude of thespacecraft, command histories and so on. As the dataaccumulation process is initiated once a day, therealtime data delivery function is not provided now.Using a web browser a user can access the EDISONserver, select all of a data set or sample a part of thedata set, and download them in simple text of CSVformat to store into a file. The user can read it tomanipulate for analysis in detail and draw graphs forsecular trends. The current EDISON system isconfigured with a proxy server and two servers for thespacecraft, NOZOMI and HAYABUSA.