Name Template: PUB/MISSION/level1b/leoPor/YYYY.DDD/leoPor_YYYY.DDD.LLL.NN.PP_SSSS.VVVV_sp3
DDDDay of year
LLLLEO id (1-999)
MISSIONMission ID (eight characters or less--champ, champrt, sacc, sacctst, etc)
NNdump number (1-99)
PPduration of orbit prediction (days)
PUBBase directory for the pub hierarchy
SSSSsubtype
VVVVversion
YYYYYear


Predicted LEO orbit specification file. Contains predicted LEO orbits two weeks ahead. Specified in SP3 format (see the SP3 format definition for details).