PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 2880 FILE_RECORDS = 360 ^IMAGE = ("JGDWN_CER18D_GEOID_0018.IMG",1) INSTRUMENT_HOST_NAME = "DAWN" MISSION_PHASE_NAME = { "CERES SCIENCE SURVEY (CSS)", "CERES SCIENCE HAMO (CSH)", "CERES SCIENCE LAMO (CSL)" } TARGET_NAME = "1 CERES" INSTRUMENT_NAME = "GRAVITY SCIENCE INSTRUMENT" DATA_SET_ID = "DAWN-A-RSS-5-CEGR-V3.0" ORIGINAL_PRODUCT_ID = "CERES18D_GEOID" PRODUCT_ID = "JGDWN_CER18D_GEOID_0018.IMG" PRODUCT_RELEASE_DATE = 2018-05-08 DESCRIPTION = " This file contains a digital map of the Ceres geoid derived from the JPL CERES18D spherical harmonic model of the Ceres gravity field. Each point is the Ceres geoid height in meters above a reference ellipsoid (semi-major-axis = 482.0 km, GM = 62.6273588067 km**3/s**2, flattening = 0.074896, and rotation rate = 0.000192340387006239 rad/s). The JGDWN_CER18D_GEOID_0018 is computed from the CERES18D solution (from degree 2 up to degree 18). The map is produced by Dawn Gravity Team (Alex Konopliv, Ryan Park, Sami Asmar) at JPL." START_TIME = 2015-02-02T07:00:00.000 STOP_TIME = 2016-09-02T15:00:00.000 SPACECRAFT_CLOCK_START_COUNT = "1/0476132467.030" SPACECRAFT_CLOCK_STOP_COUNT = "1/0526100468.004" SOFTWARE_NAME = "GRVMAP;V1.0" PRODUCT_CREATION_TIME = 2018-05-08T00:00:00.000 PRODUCER_ID = "DAWN GRAVITY TEAM" OBJECT = IMAGE LINES = 181 LINE_SAMPLES = 360 SAMPLE_TYPE = PC_REAL SAMPLE_BITS = 64 UNIT = "METERS" OFFSET = 0.0E+00 SCALING_FACTOR = 1.0E+00 DESCRIPTION = "The Digital Map contains values of the geoid. The values can be obtained by multiplying the sample in the map by SCALING_FACTOR and then adding OFFSET." END_OBJECT = IMAGE OBJECT = IMAGE_MAP_PROJECTION ^DATA_SET_MAP_PROJECTION = "DSMAP.CAT" COORDINATE_SYSTEM_TYPE = "BODY-FIXED ROTATING" COORDINATE_SYSTEM_NAME = PLANETOCENTRIC MAP_PROJECTION_TYPE = "SIMPLE CYLINDRICAL" A_AXIS_RADIUS = 482.0 B_AXIS_RADIUS = 482.0 C_AXIS_RADIUS = 445.9 FIRST_STANDARD_PARALLEL = "N/A" SECOND_STANDARD_PARALLEL = "N/A" POSITIVE_LONGITUDE_DIRECTION = "EAST" CENTER_LATITUDE = 0.0 CENTER_LONGITUDE = 179.5 REFERENCE_LATITUDE = 0.0 REFERENCE_LONGITUDE = 0.0 LINE_FIRST_PIXEL = 1 LINE_LAST_PIXEL = 181 SAMPLE_FIRST_PIXEL = 1 SAMPLE_LAST_PIXEL = 360 MAP_PROJECTION_ROTATION = 0.0 MAP_RESOLUTION = 1.0E+00 MAP_SCALE = "N/A" MAXIMUM_LATITUDE = 90.0 MINIMUM_LATITUDE = -90.0 EASTERNMOST_LONGITUDE = 359.0 WESTERNMOST_LONGITUDE = 0.0 LINE_PROJECTION_OFFSET = 0.0 SAMPLE_PROJECTION_OFFSET = 0.0 END_OBJECT = IMAGE_MAP_PROJECTION END