PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 32 FILE_RECORDS = 2701 ^TABLE = "M2DEIMOS.TAB" DATA_SET_ID = "EAR-A-5-DDR-SHAPE-MODELS-V2.1" PRODUCT_NAME = "M2 DEIMOS SHAPE MODEL" PRODUCT_ID = "SHAPE-M2DEIMOS-200202" INSTRUMENT_HOST_NAME = {"VIKING ORBITER 1", "VIKING ORBITER 2"} INSTRUMENT_NAME = {"VISUAL IMAGING SUBSYSTEM CAMERA A", "VISUAL IMAGING SUBSYSTEM CAMERA B"} TARGET_NAME = "M2 DEIMOS" START_TIME = 1976-06-22 /* Viking Orbiter Mission Dates */ STOP_TIME = 1980-07-30 PRODUCT_CREATION_TIME = 2000-06-01 /* Peer Review Date */ RECORD_FORMAT = "3(2X,F8.4)" OBJECT = TABLE ROWS = 2701 ROW_BYTES = 32 INTERCHANGE_FORMAT = "ASCII" COLUMNS = 3 DESCRIPTION = "Numerical shape model of M2 Deimos, derived solely from Viking Orbiter data. It has uncertainties of ~400 m in much of the region longitude 200-355 degrees. This shape model consists of a grid with points every 5 degrees in latitude and longitude, with a radius in km associated with each point. Model is written with both 0 and 360 longitude entries. Coordinates are planetocentric. See Thomas (1993) for details of shape model. Deimos rotates synchronously with its orbital period. Spin pole: RA= 316.65, Dec=53.53 J2000 in degrees. W = 79.41 + 285.1618970d in degrees, where d is the number of days from the standard epoch (JD 2451545.0). See Davies. et al. (1996) for slight variations with precession." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "LATITUDE" UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 3 BYTES = 8 FORMAT = "F8.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "LONGITUDE" UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 13 BYTES = 8 FORMAT = "F8.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "RADIUS" DESCRIPTION = "Shape model radius for this latitude and longitude." UNIT = "KILOMETER" DATA_TYPE = "ASCII_REAL" START_BYTE = 23 BYTES = 8 FORMAT = "F8.4" END_OBJECT = COLUMN END_OBJECT = TABLE END