HiCat Data Dictionary

Catalog: HiRISE
The main HiRISE catalog contains all the information used in operating the HiRISE camera after it is attached to the MRO spacecraft. The information is divided into those related to suggesting, planning, commanding, retrieving, processing, validating, and distributing the observations. The tag that follows an observation through all these catalogs (and from Earth to Mars and back) is the unique Observation_ID. This text representation also forms the core of the product names. The HiRISE catalog also contains ancillary information needed in various uplink and downlink activities, such as the people making image suggestions, MRO project uplink files, SPICE and engineering data, and public image releases.
Table:SPICE

Field Description Type Null Limits Size Key Default Authority Source
ID This is the unique ID for each SPICE kernel. The values here should not be assigned by external programs. Instead it can either be ignored, or NULL can be inserted, and the database will automatically assign the next ID. INT(10) unsigned auto_increment Not Null Primary Key db server
PATHNAME The full logical path (filename included) of this SPICE kernel file within the HiRISE filesystem. TEXT
ACQUISITION_TIME The time that the kernel was acquired at HiROC. DATETIME
KERNEL_TYPE The type of kernel that this is. ENUM("CK", "LSK", "SCLK", "SPK")
COMMENT Comment about this kernel. VARCHAR(200)
COVERAGE_RANGE_START_TIME_ET Coverage start time in J2000 ET TDB seconds. NULL if the kernel has no time coverage. DOUBLE(15,5) unsigned NULL NAIF SPICE data distributions NAIF SPICE Toolkit.
COVERAGE_RANGE_END_TIME_ET Coverage end time in J2000 ET TDB seconds. NULL if the kernel has no time coverage. DOUBLE(15,5) unsigned NULL NAIF SPICE data distributions NAIF SPICE Toolkit
COVERAGE_RANGE_START_TIME_SCLK Coverage start time in terms of the MRO spacecraft clock value in seconds:tics format where tics are 1/216. The time is relative to the J2000 epoch. VARCHAR(20) NULL NAIF SPICE data distributions NAIF SPICE Toolkit
COVERAGE_RANGE_END_TIME_SCLK Coverage end time in terms of the MRO spacecraft clock value in seconds:tics format where tics are 1/216. The time is relative to the J2000 epoch. VARCHAR(20) NULL NAIF SPICE data distributions NAIF SPICE Toolkit
COVERAGE_RANGE_START_TIME_UTC Coverage start time in UTC. Note: The time will be rounded off to the nearest second. DATETIME NULL NAIF SPICE data distributions NAIF SPICE Toolkit
COVERAGE_RANGE_END_TIME_UTC Coverage end time in UTC. Note: The time will be rounded off to the nearest second. DATETIME NULL NAIF SPICE data distributions NAIF SPICE Toolkit
KERNEL_STATUS The status of this kernel. ENUM("PREDICT", "RECONSTRUCTED", "SMITHED")
LAST_UPDATE This column records the last time that a record was updated. TIMESTAMP db server

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