NJPL1I00PDS100000000 = SFDU_LABEL RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 80 FILE_RECORDS = 313 ^ORBIT_TABLE = 'VO2ORBIT.DAT' SPACECRAFT_NAME = VIKING_ORBITER_2 SPACECRAFT_ID = VO2 INSTRUMENT_NAME = "Infrared Thermal Mapper" INSTRUMENT_ID = IRTM START_ORBIT_NUMBER = 4 STOP_ORBIT_NUMBER = 704 NATIVE_START_TIME = 745160864 /* Flight Data Subsystem FDS*/ NATIVE_STOP_TIME = 964565732 EVENT_START_TIME = 1976-08-12T01:10:24Z /* Event time UTC*/ EVENT_STOP_TIME = 1978-07-24T04:04:13Z NOTE = "Viking Orbiter InfraRed Thermal Mapper Database of Mars: Table of orbit parameters. Note: An IRTM 'orbit' is denoted by the first revolution number of a set of sequences grouped together and represented by a single entry in the Orbit Table. It consists of data sequences from one or more (normally one, occasionally a few) actual Viking Orbiter revolutions, which were received in a single Experiment Data Record (EDR)." OBJECT = ORBIT_TABLE FORMAT = BINARY ROW_BYTES = 80 ROW_COLUMNS = 17 ROWS = 313 OBJECT = ORBIT_NUMBER TYPE = VAX_INTEGER START_BYTE = 1 BYTES = 2 NOTE = "See file NOTE above" END_OBJECT = ORBIT_NUMBER OBJECT = SEQUENCES TYPE = VAX_INTEGER START_BYTE = 3 BYTES = 2 NOTE = "Number of sequences in orbit" END_OBJECT = SEQUENCES OBJECT = OBSERVATIONS TYPE = VAX_INTEGER START_BYTE = 5 BYTES = 2 NOTE = "Number of observations in orbit" END_OBJECT = OBSERVATIONS OBJECT = NATIVE_START_TIME TYPE = VAX_INTEGER START_BYTE = 7 BYTES = 4 NOTE = "Flight Data System (FDS) time of beginning of first sequence in orbit" END_OBJECT = NATIVE_START_TIME OBJECT = NATIVE_STOP_TIME TYPE = VAX_INTEGER START_BYTE = 11 BYTES = 4 NOTE = "Flight Data System (FDS) time of beginning of last sequence in orbit" END_OBJECT = NATIVE_STOP_TIME OBJECT = EVENT_START_TIME START_BYTE = 15 BYTES = 8 NOTE = "Universal time at beginning of first sequence of orbit" OBJECT = DAY TYPE = VAX_INTEGER START_BYTE = 1 BYTES = 2 NOTE = "Day of year" END_OBJECT = DAY OBJECT = HOUR TYPE = VAX_INTEGER START_BYTE = 3 BYTES = 2 END_OBJECT = HOUR OBJECT = MINUTE TYPE = VAX_INTEGER START_BYTE = 5 BYTES = 2 END_OBJECT = MINUTE OBJECT = SECOND TYPE = VAX_INTEGER START_BYTE = 7 BYTES = 2 END_OBJECT = SECOND END_OBJECT = EVENT_START_TIME OBJECT = EVENT_STOP_TIME START_BYTE = 23 BYTES = 8 NOTE = "Universal time at beginning of last sequence of orbit" OBJECT = DAY TYPE = VAX_INTEGER START_BYTE = 1 BYTES = 2 NOTE = "Day of year" END_OBJECT = DAY OBJECT = HOUR TYPE = VAX_INTEGER START_BYTE = 3 BYTES = 2 END_OBJECT = HOUR OBJECT = MINUTE TYPE = VAX_INTEGER START_BYTE = 5 BYTES = 2 END_OBJECT = MINUTE OBJECT = SECOND TYPE = VAX_INTEGER START_BYTE = 7 BYTES = 2 END_OBJECT = SECOND END_OBJECT = EVENT_STOP_TIME OBJECT = SEASONAL_LONGITUDE TYPE = VAX_REAL START_BYTE = 31 BYTES = 4 UNIT = DEGREE FORMAT = 'F6.2' NOTE = "Solar aerocentric longitude (L sub S) at beginning of first sequence" END_OBJECT = SEASONAL_LONGITUDE OBJECT = SEMI_MAJOR_AXIS TYPE = VAX_REAL START_BYTE = 35 BYTES = 4 UNIT = KILOMETER END_OBJECT = SEMI_MAJOR_AXIS OBJECT = ECCENTRICITY TYPE = VAX_REAL START_BYTE = 39 BYTES = 4 UNIT = DIMENSIONLESS END_OBJECT = ECCENTRICITY OBJECT = ASCENDING_NODE_LONGITUDE TYPE = VAX_REAL START_BYTE = 43 BYTES = 4 UNIT = DEGREE END_OBJECT = ASCENDING_NODE_LONGITUDE OBJECT = PERIAPSIS_ARGUMENT_ANGLE TYPE = VAX_REAL START_BYTE = 47 BYTES = 4 UNIT = DEGREE END_OBJECT = PERIAPSIS_ARGUMENT_ANGLE OBJECT = INCLINATION TYPE = VAX_REAL START_BYTE = 51 BYTES = 4 UNIT = DEGREE END_OBJECT = INCLINATION OBJECT = PERIOD TYPE = VAX_REAL START_BYTE = 55 BYTES = 4 UNIT = SECOND NOTE = "Period (anomalistic)" END_OBJECT = PERIOD OBJECT = SOLAR_DISTANCE TYPE = VAX_REAL START_BYTE = 59 BYTES = 4 UNIT = KILOMETER NOTE = "Distance from sun at spacecraft periapsis" END_OBJECT = SOLAR_DISTANCE OBJECT = SUB_SOLAR_LONGITUDE TYPE = VAX_REAL START_BYTE = 63 BYTES = 4 UNIT = DEGREE NOTE = "Longitude of sub-solar point at time of spacecraft periapsis" END_OBJECT = SUB_SOLAR_LONGITUDE OBJECT = SUB_SOLAR_COLATITUDE TYPE = VAX_REAL START_BYTE = 67 BYTES = 4 UNIT = DEGREE NOTE = "Colatitude of sub-solar point at time of spacecraft periapsis" END_OBJECT = SUB_SOLAR_COLATITUDE END_OBJECT = ORBIT_TABLE END