What: The ISAS navigation team (in collaboration with JPL MMNAV) will generate a long-term predicted orbit which will be used by the VSOG to generate the long-term schedule.
How: The files will be ASCII text and named with the extension opr.
When: Files will be produced at the request of the VSOG when it has become necessary to revise the long term schedule.
Where: File will be placed in subdirectory /vsop/oddata/predict/long on the VSOG FTP site.