PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 2880 FILE_RECORDS = 360 ^IMAGE = ("JGE15A08.IMG",1) INSTRUMENT_HOST_NAME = "NEAR EARTH ASTEROID RENDEZVOUS" TARGET_NAME = "EROS" INSTRUMENT_NAME = "RADIO SCIENCE SUBSYSTEM" DATA_SET_ID = "NEAR-A-RSS-5-EROS/GRAVITY-V1.0" ORIGINAL_PRODUCT_ID = "NEAR15A.RADIAL" PRODUCT_ID = "JGE15A08.IMG" PRODUCT_RELEASE_DATE = 2001-05-29 DESCRIPTION = "This file contains a digital map of 433 Eros gravity accelerations derived from radio tracking and optical landmark tracking of the NEAR spacecraft. The observation is radial gravity in milligals on a spherical surface of 16.0 km radius. The acceleration is from a truncation at degree 8 of the delivered gravity field NEAR15A. The accleration does not include the central body point mass acceleration due to the GM. The gravity coefficients were truncated at degree 8 because beyond this degree noise begins to appear in the map due to larger uncertainties in the coefficients. Differences of the measured gravity and gravity from a constant density shape model are measureable to degree 7. The JGE15A08 radial map is computed from a truncated NEAR15A solution (from degree 2 to 8) where 'G' in the file name indicates it is radial Gravity, 'E' is for Eros and '15A' indicates the NEAR15A solution, and '08' indicates the maximum degree of the field used to create the map. This map is produced at JPL by Alex Konopliv of the NEAR Radio Science Team." START_ORBIT_NUMBER = 1 STOP_ORBIT_NUMBER = NULL START_TIME = 2000-02-14T16:00:00Z STOP_TIME = 2001-02-12T15:15:00Z SOFTWARE_NAME = "GRVMAP;V1.0" PRODUCT_CREATION_TIME = 2001-05-29T00:00:00Z PRODUCER_ID = "NEAR RADIO SCIENCE" OBJECT = IMAGE LINES = 180 LINE_SAMPLES = 360 SAMPLE_TYPE = "IEEE REAL" SAMPLE_BITS = 64 UNIT = "MILLIGALS" OFFSET = 0.0E+00 SCALING_FACTOR = 1.0E+00 DESCRIPTION = "The Digital Map contains values of the radial gravity. 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 = "DSMAP2.CAT" COORDINATE_SYSTEM_TYPE = "BODY-FIXED ROTATING" COORDINATE_SYSTEM_NAME = PLANETOCENTRIC MAP_PROJECTION_TYPE = "SIMPLE CYLINDRICAL" A_AXIS_RADIUS = 16.0 B_AXIS_RADIUS = 16.0 C_AXIS_RADIUS = 16.0 FIRST_STANDARD_PARALLEL = "N/A" SECOND_STANDARD_PARALLEL = "N/A" POSITIVE_LONGITUDE_DIRECTION = "EAST" CENTER_LATITUDE = 0.0 CENTER_LONGITUDE = 0.0 REFERENCE_LATITUDE = 0.0 REFERENCE_LONGITUDE = 0.0 LINE_FIRST_PIXEL = 1 LINE_LAST_PIXEL = 180 SAMPLE_FIRST_PIXEL = 1 SAMPLE_LAST_PIXEL = 360 MAP_PROJECTION_ROTATION = 0.0 MAP_RESOLUTION = 1.0E+00 MAP_SCALE = "N/A" MAXIMUM_LATITUDE = 89.5 MINIMUM_LATITUDE = -89.5 EASTERNMOST_LONGITUDE = 179.0 WESTERNMOST_LONGITUDE = -180.0 LINE_PROJECTION_OFFSET = 89.5 SAMPLE_PROJECTION_OFFSET = 180.0 END_OBJECT = IMAGE_MAP_PROJECTION END