KPL/SCLK \beginlabel PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM RECORD_BYTES = "N/A" ^SPICE_KERNEL = "MGS_SCLKSCET_00033.TSC" MISSION_NAME = "MARS GLOBAL SURVEYOR" SPACECRAFT_NAME = "MARS GLOBAL SURVEYOR" DATA_SET_ID = "MGS-M-SPICE-6-V1.0" KERNEL_TYPE_ID = SCLK PRODUCT_ID = "MGS_SCLKSCET_00033.TSC" PRODUCT_CREATION_TIME = 2000-10-17T10:26:15 PRODUCER_ID = "SCOPS/LMA" MISSION_PHASE_NAME = "N/A" PRODUCT_VERSION_TYPE = ACTUAL PLATFORM_OR_MOUNTING_NAME = "N/A" START_TIME = "N/A" STOP_TIME = "N/A" SPACECRAFT_CLOCK_START_COUNT = "N/A" SPACECRAFT_CLOCK_STOP_COUNT = "N/A" TARGET_NAME = MARS INSTRUMENT_NAME = "N/A" NAIF_INSTRUMENT_ID = "N/A" SOURCE_PRODUCT_ID = "N/A" NOTE = "See comments in the file for details" OBJECT = SPICE_KERNEL INTERCHANGE_FORMAT = ASCII KERNEL_TYPE = CLOCK_COEFFICIENTS DESCRIPTION = "MGS Spacecraft Clock Coefficients SPICE SCLK Kernel File. " END_OBJECT = SPICE_KERNEL \endlabel Status ----------------------------------------------- This file is a SPICE spacecraft clock (SCLK) kernel containing information required for Mars Global Surveyor spacecraft on-board clock to ET conversion. This file also contains definitions of MGS reference frames. Production/History of this SCLK files ----------------------------------------------- This file was generated by the NAIF utility program MAKCLK, version 3.3, from the most recent Mars Global Surveyor spacecraft SCLK SCET file. Usage ----------------------------------------------- This file must be loaded into the user's program by a call to the LDPOOL subroutine CALL LDPOOL( 'this_file_name' ) in order to use the SPICELIB SCLK family of subroutines to convert MGS spacecraft on-board clock to ET and vice versa and to use MGS frames defined below as reference frames for geometric quantities being returned by high-level SPK and CK subroutines. References ----------------------------------------------- 1. SCLK Required Reading file, NAIF document number 222 2. MAKCLK User's Guide, NAIF document number 267 Inquiries ----------------------------------------------- If you have any questions regarding this file contact MGS Spacecraft Operations Team (SCOPS) Lockheed/Martin, Denver Boris Semenov - NAIF/JPL (818) 354-8136 bsemenov@spice.jpl.nasa.gov SCLK DATA ----------------------------------------------- \begindata SCLK_KERNEL_ID = ( @2000-08-29/02:11:31.00 ) SCLK_DATA_TYPE_94 = ( 1 ) SCLK01_TIME_SYSTEM_94 = ( 2 ) SCLK01_N_FIELDS_94 = ( 2 ) SCLK01_MODULI_94 = ( 4294967296 256 ) SCLK01_OFFSETS_94 = ( 0 0 ) SCLK01_OUTPUT_DELIM_94 = ( 1 ) SCLK_PARTITION_START_94 = ( 1.3611133440000E+11 ) SCLK_PARTITION_END_94 = ( 1.0995116277750E+12 ) SCLK01_COEFFICIENTS_94 = ( 0.0000000000000E+00 -9.9510252675000E+07 9.9999996301748E-01 8.3066265600000E+08 -9.6265476795000E+07 9.9999994844682E-01 1.9330583040000E+09 -9.1959244017000E+07 9.9999994927604E-01 2.7708477440000E+09 -8.8686629183000E+07 9.9999994213351E-01 4.0538009600000E+09 -8.3675093473000E+07 9.9999993609973E-01 4.7829370880000E+09 -8.0826905655000E+07 9.9999993275158E-01 5.2473643520000E+09 -7.9012736777000E+07 9.9999993064539E-01 5.4909818880000E+09 -7.8061105843000E+07 9.9999992770059E-01 6.7515176960000E+09 -7.3137138199000E+07 9.9999992410889E-01 7.9017973760000E+09 -6.8643858540000E+07 9.9999992038548E-01 8.9854187520000E+09 -6.4410962877000E+07 9.9999991689249E-01 9.9588085760000E+09 -6.0608659193000E+07 9.9999991330346E-01 1.1222619136000E+10 -5.5671899621000E+07 9.9999990916047E-01 1.2448517120000E+10 -5.0883236056000E+07 9.9999990447344E-01 1.3831336704000E+10 -4.5481597572000E+07 9.9999990051645E-01 1.5223486464000E+10 -4.0043513113000E+07 9.9999989497162E-01 1.7390367488000E+10 -3.1579135002000E+07 9.9999988993180E-01 1.7567130624000E+10 -3.0888654078000E+07 9.9999989034894E-01 1.9308801024000E+10 -2.4085254824000E+07 9.9999988778163E-01 2.0709498624000E+10 -1.8613780438000E+07 9.9999988586150E-01 2.1416008704000E+10 -1.5853975753000E+07 9.9999988403100E-01 2.2566109184000E+10 -1.1361396274000E+07 9.9999988221971E-01 2.3583325184000E+10 -7.3878967420000E+06 9.9999988085764E-01 2.4401976064000E+10 -4.1900421230000E+06 9.9999987748439E-01 2.6148822784000E+10 2.6335770410000E+06 9.9999987443431E-01 2.7343544064000E+10 7.3004564550000E+06 9.9999987288243E-01 2.7697987584000E+10 8.6850012790000E+06 9.9999986959543E-01 3.0497398784000E+10 1.9620199853000E+07 9.9999986400000E-01 ) \begintext MGS Frame Definitions ----------------------------------------------- The variables below define the MGS spacecraft, subsystems and instrument frames within the SPICE Toolkit Frames mechanism. In order to use "MGS_SPACECRAFT" as the value for the FRAME argument defining the reference frame for output geometric quantities in calls to CKGP CKGPAV SPKEZ SPKEZR SPICELIB subroutines, or to be able to read CK orientation data for some MGS subsystem or instrument if these data are referenced to this frame in the file, these definitions along with the CK file containing MGS spacecraft orientation must be loaded into the user's program. \begindata FRAME_MGS_SPACECRAFT = -94000 FRAME_-94000_NAME = 'MGS_SPACECRAFT' FRAME_-94000_CLASS = 3 FRAME_-94000_CLASS_ID = -94000 FRAME_-94000_CENTER = -94 FRAME_MGS_LEFT_SOLAR_ARRAY = -94001 FRAME_-94001_NAME = 'MGS_LEFT_SOLAR_ARRAY' FRAME_-94001_CLASS = 3 FRAME_-94001_CLASS_ID = -94001 FRAME_-94001_CENTER = -94 FRAME_MGS_RIGHT_SOLAR_ARRAY = -94002 FRAME_-94002_NAME = 'MGS_RIGHT_SOLAR_ARRAY' FRAME_-94002_CLASS = 3 FRAME_-94002_CLASS_ID = -94002 FRAME_-94002_CENTER = -94