KPL/SCLK Deep Impact Flyby Spacecraft SCLK File =========================================================================== This file is a SPICE spacecraft clock (SCLK) kernel containing information required for DIF spacecraft on-board clock to UTC conversion. Production/History of this SCLK file -------------------------------------------------------- This file was generated by the NAIF utility program MAKCLK, version 3.5.2, from the most recent DIF spacecraft SCLKvSCET file (see corresponding section of the description for the SCLKvSCET SFDU header and MAKCLK setup file). Usage -------------------------------------------------------- This file must be loaded into the user's program by a call to the FURNSH subroutine CALL FURNSH( 'this_file_name' ) in order to use the SPICELIB SCLK family of subroutines to convert DI spacecraft on-board clock to ET and vice versa. SCLK Format -------------------------------------------------------- The on-board clock, the conversion for which is provided by this SCLK file, consists of two fields: SSSSSSSSSS:FFF where: SSSSSSSSSS -- count of on-board seconds FFF -- count of fractions of a second with one fraction being 1/256 of a second References -------------------------------------------------------- 1. SCLK Required Reading Document 2. MAKCLK User's Guide Document 3. SFOC SCLKvSCET SIS Document Inquiries -------------------------------------------------------- If you have any questions regarding this file contact NAIF at JPL Charles H. Acton, Jr (818) 354-3869 Chuck.Acton@jpl.nasa.gov Boris V. Semenov (818) 354-8136 Boris.Semenov@jpl.nasa.gov SCLKvSCET file SFDU Header -------------------------------------------------------- MISSION-NAME=DEEP-IMPACT; SPACECRAFT-NAME=DIF; DATA-SET-ID=SCLK-SCET; FILE-NAME=DIF-SCU-B-SCLKSCET.00020 PRODUCT-CREATION-TIME=2010-10-28T10:52:16; PRODUCT-VERSION-ID=00020; PRODUCER-ID=NAIF; APPLICABLE-START-TIME=2000-001T12:00:00.000; APPLICABLE-STOP-TIME=2011-114T14:34:24; MISSION-ENVIRONMENT=OPS; MISSION-ID=27; SPACECRAFT-ID=140; *----SCLK0----- --------SCET0-------- -DUT-- --SCLKRATE-- 0.000 2000-001T12:00:00.000 64.184 1.000000000 158907000.000 2005-013T16:50:00.000 64.184 1.002908761 158908000.000 2005-013T17:06:42.909 64.184 1.000015111 165494000.000 2005-089T22:35:02.430 64.184 1.022354061 165495000.000 2005-089T22:52:04.784 64.184 1.000018480 170187000.000 2005-144T06:13:31.492 64.184 0.979485172 170188000.000 2005-144T06:29:50.977 64.184 1.000012691 171884000.000 2005-163T21:36:52.501 64.184 0.999853229 171889000.000 2005-163T23:00:11.767 64.184 1.000011053 173025000.000 2005-177T02:33:44.323 64.184 0.997596080 173050000.000 2005-177T09:29:24.225 64.184 1.000008987 189345290.000 2006-001T00:00:00.671 64.184 0.001000000 189345291.000 2006-001T00:00:00.672 65.184 1.000008987 274250000.000 2008-253T16:51:12.711 65.184 1.106028840 274251000.000 2008-253T17:09:38.739 65.184 1.000011891 274517200.000 2008-256T19:06:21.904 65.184 1.000079476 274518200.000 2008-256T19:23:01.984 65.184 1.000015342 277000000.000 2008-285T12:47:00.060 65.184 0.998732505 277001000.000 2008-285T13:03:38.792 65.184 1.000016188 279905000.000 2008-319T03:44:25.802 65.184 0.999001327 279906000.000 2008-319T04:01:04.803 65.184 1.000019875 284038654.000 2009-001T00:00:00.939 65.184 0.001000000 284038655.000 2009-001T00:00:00.940 66.184 1.000019875 284080000.000 2009-001T11:29:06.762 66.184 1.001019975 284081000.000 2009-001T11:45:47.782 66.184 1.000019875 309916220.000 2009-300T12:21:21.257 66.184 0.999804680 309917220.000 2009-300T12:38:01.062 66.184 1.000021083 333800000.000 2010-211T22:52:44.583 66.184 1.000001997 333801000.000 2010-211T23:09:24.585 66.184 1.000021253 338000000.000 2010-260T13:34:13.826 66.184 0.999427460 338001000.000 2010-260T13:50:53.254 66.184 1.000020298 339460000.000 2010-277T11:08:02.869 66.184 1.000096022 339461000.000 2010-277T11:24:42.965 66.184 1.000020625 340768800.000 2010-292T14:41:49.938 66.184 0.346494416 340769800.000 2010-292T14:47:36.433 66.184 1.000019894 341200000.000 2010-297T14:17:44.991 66.184 0.999995108 341201000.000 2010-297T14:34:24.987 66.184 1.000019580 MAKCLK Setup file -------------------------------------------------------- SCLKSCET_FILE = DIF_SCU_B_SCLKSCET.00020 OLD_SCLK_KERNEL = dif_template.tsc FILE_NAME = DIF_SCU_B_SCLKSCET.00020.tsc NAIF_SPACECRAFT_ID = -140 LEAPSECONDS_FILE = /kernels/gen/lsk/naif0009.tls PARTITION_TOLERANCE = 10 LOG_FILE = DIF_SCU_B_SCLKSCET.00020.log Kernel DATA -------------------------------------------------------- \begindata SCLK_KERNEL_ID = ( @2010-10-28/11:19:46.00 ) SCLK_DATA_TYPE_140 = ( 1 ) SCLK01_TIME_SYSTEM_140 = ( 2 ) SCLK01_N_FIELDS_140 = ( 2 ) SCLK01_MODULI_140 = ( 4294967296 256 ) SCLK01_OFFSETS_140 = ( 0 0 ) SCLK01_OUTPUT_DELIM_140 = ( 1 ) SCLK_PARTITION_START_140 = ( 0.0000000000000E+00 ) SCLK_PARTITION_END_140 = ( 1.0995116277750E+12 ) SCLK01_COEFFICIENTS_140 = ( 0.0000000000000E+00 6.4184000000000E+01 1.0000000000000E+00 4.0680192000000E+10 1.5890706418400E+08 1.0029090000093E+00 4.0680448000000E+10 1.5890806709300E+08 1.0000151109930E+00 4.2366464000000E+10 1.6549416661400E+08 1.0223540000021E+00 4.2366720000000E+10 1.6549518896800E+08 1.0000184799659E+00 4.3567872000000E+10 1.7018727567600E+08 9.7948499998450E-01 4.3568128000000E+10 1.7018825516100E+08 1.0000126910377E+00 4.4002304000000E+10 1.7188427668500E+08 9.9985320000052E-01 4.4003584000000E+10 1.7188927595100E+08 1.0000110528169E+00 4.4294400000000E+10 1.7302528850700E+08 9.9759607999921E-01 4.4300800000000E+10 1.7305022840900E+08 1.0000089870749E+00 4.8472394496000E+10 1.8934566585600E+08 1.0000089870045E+00 7.0208000000000E+10 2.7425113789500E+08 1.1060279999971E+00 7.0208256000000E+10 2.7425224392300E+08 1.0000118895568E+00 7.0276403200000E+10 2.7451844708800E+08 1.0000799999833E+00 7.0276659200000E+10 2.7451944716800E+08 1.0000153420904E+00 7.0912000000000E+10 2.7700128524400E+08 9.9873199999332E-01 7.0912256000000E+10 2.7700228397600E+08 1.0000161880165E+00 7.1655680000000E+10 2.7990633098600E+08 9.9900099998713E-01 7.1655936000000E+10 2.7990732998700E+08 1.0000198751166E+00 7.2713895680000E+10 2.8404006712400E+08 1.0000198814857E+00 7.2724480000000E+10 2.8408141294600E+08 1.0010199999809E+00 7.2724736000000E+10 2.8408241396600E+08 1.0000198750001E+00 7.9338552320000E+10 3.0991814744100E+08 9.9980500000715E-01 7.9338808320000E+10 3.0991914724600E+08 1.0000210830146E+00 8.5452800000000E+10 3.3380243076700E+08 1.0000019999743E+00 8.5453056000000E+10 3.3380343076900E+08 1.0000212529174E+00 8.6528000000000E+10 3.3800252001000E+08 9.9942800003290E-01 8.6528256000000E+10 3.3800351943800E+08 1.0000202981494E+00 8.6901760000000E+10 3.3946254905300E+08 1.0000960000157E+00 8.6902016000000E+10 3.3946354914900E+08 1.0000206247133E+00 8.7236812800000E+10 3.4077137612200E+08 3.4649499994516E-01 8.7237068800000E+10 3.4077172261700E+08 1.0000198930731E+00 8.7347200000000E+10 3.4120193117500E+08 9.9999599999189E-01 8.7347456000000E+10 3.4120293117100E+08 1.0000195800000E+00 ) \begintext