MISSION_NAME=CASSINI SPACECRAFT_NAME=CASSINI DATA_SET_ID="SPICE_SPK_FILE" KERNEL_TYPE_ID="SPK" PRODUCT_ID="040701AP_SCPSE_04173_04236.xsp" PRODUCT_CREATION_TIME=2004-07-01T14:04:30 PRODUCER_ID="CASSINI_NAV" MISSION_PHASE_NAME="TOUR" PRODUCT_VERSION_TYPE="PREDICT" PLATFORM_OR_MOUNTING_NAME="N/A" START_TIME=2004-06-21T15:00:00 STOP_TIME=2004-08-23T12:00:00 SPACECRAFT_CLOCK_START_COUNT="N/A" SPACECRAFT_CLOCK_STOP_COUNT="N/A" TARGET_NAME={ "CASSINI", "MERCURY BARYCENTER", "VENUS BARYCENTER", "EARTH BARYCENTER", "MARS BARYCENTER", "JUPITER BARYCENTER", "SATURN BARYCENTER", "URANUS BARYCENTER", "NEPTUNE BARYCENTER", "PLUTO BARYCENTER", "SUN", "MERCURY", "VENUS", "MOON", "EARTH", "MARS", "MIMAS", "ENCELADUS", "TETHYS", "DIONE", "RHEA", "TITAN", "HYPERION", "IAPETUS", "PHOEBE", "SATURN" } INSTRUMENT_NAME="N/A" INSTRUMENT_ID="N/A" SOURCE_PRODUCT_ID="UNK" NOTE="SPICE transfer format SPK file." ; 040701_SCPSE_04173_04236.BSP LOG FILE ; ; Created 2004-07-01/13:53:39.00. ; ; BEGIN NIOSPK COMMANDS LEAPSECONDS_FILE = /cnav/inputs/naif/latest.tls SPK_FILE = 040701_SCPSE_04173_04236.BSP INCLUDE_TEXT_FILE = comments.txt INCLUDE_TEXT_FILE = Readme SOURCE_NIO_FILE = ../p.nio BODIES = -82 BEGIN_TIME = CAL-ET 2004 JUN 21 15:01:04.183 END_TIME = CAL-ET 2004 AUG 23 12:01:04.182 SOURCE_NIO_FILE = ../peph.nio BEGIN_TIME = CAL-ET 2004 JUN 21 15:01:04.183 END_TIME = CAL-ET 2004 AUG 23 12:01:04.182 SOURCE_NIO_FILE = ../seph.nio BEGIN_TIME = CAL-ET 2004 JUN 21 15:01:04.183 END_TIME = CAL-ET 2004 AUG 23 12:01:04.182 ; END NIOSPK COMMANDS This ephemeris is for use with MAS set-up for OTM-001 only. OTM-1 is not included. PURPOSE OF DELIVERY: MAS set-up for OTM-1 DELIVERY DATE: 040701 PLANETARY EPHEMERIS USED: from OD delivery SATELLITE/ASTEROID/ROCK EPHEMERIS USED: from OD delivery START EPOCH OF FILE: 21-JUN-2004 15:00 UTC SCET END EPOCH OF FILE: 23-AUG-2004 12:00 UTC SCET -------------------------------------------------------------------------------- DELIVERY NAME: 040701_00Sa BY: John Bordi TIME: July 01, 2004 PURPOSE OF DELIVERY: Preliminary Post-SOI OTM001 OD delivery ORIGINAL DIRECTORY: /cnav/OD/ops/approach/otm001/epoch_040621/040630_jjb - case #34 COMMENTS: 2 & 3-way Doppler, 2-way range, and optical solution with: Radio 10-NOV-2003 to 01-JUL-2004 07:16:00 Optical 6-FEB-2004 to 21-JUN-2004 Satellite ephemeris based on sat168, estimated using sat168 covariance with scale factor of 2 Weight F2 at 0.1 mm/s, Range at 1 m, F1 at 10 mm/s Optical Weights (line,pixel) Use psf uncertainties once the satellite is 3 pixels across Use the following before the satellite measures 3 pixels: Satellites 1 - 5 at 0.25 pixels Satellite 9 at 0.25 pixels Satellite Titan at 0.50 pixels increase Titan uncertainties to 3 pixels after June 15 Satellite Hyperion and Iapetus at 1.0 pixels Stars are weighted at 0.25 pixels Solar Torque colatitudes of 170 were constrained to 10 from 1000 units Nominal a priori's applied (ATA*'s at 1 x 10^-12 km/s/s) Future RCS DV's are considered Updated RCS file included for S01 and S02, adds about 50mm/s more delta-V Single Batch for stochastic accelerations during GWE (sigma = 1.0d-30) Tightened apriori constraints on SRTF parameters from 1000 to 100 Updated Attitude file, removes stochastic acceleration spike on 9-Jan-04 Updated RCS file for April 26/27 FSW checkout and S01 Updated RCS file for a priori values for the TCM21 transtions Updated Attitude file with Mar2-3 probe demo reconstruction Updated RCS file for S02 Estimated friction tests on May 16 and May 18 Used 1 min F1 data on May 19 Deweighted F2 from DSS 63 pass on 5/23 Deweighted F2 from DSS 14 pass on 6/09 Deweighted F2 from DSS 26 pass on 6/14 Deweighted F2 from DSS 14 pass on 6/15 Deweighted F2 from DSS 25 pass on 6/16 Deweighted F2 from DSS 65 pass on 6/17 Deweighted F2 from DSS 54 pass on 6/20 Deweighted SRA from DSS 26 pass on 6/14 Deweighted SRA from DSS 65 pass on 6/17 Deweighted SRA from DSS 54 pass on 6/20 Deweighted F2 from DSS 25 pass on 6/22 Using Phoebe OpNavs generated with point spread fitting until May 22 generated with limb finding after May 22 Update RWA wheel bias prediction on June 5 with FSDS value New RCS predictions for S02 New Star catalog -- Hipparcos instead of Tycho-1 parallax information Estimated momentum unload on June 5, 2004 Estimated TCM-21 New SOI model included in run (pointing coeffients reversed from info_for_OD file) Held TCM-21 start time fixed at 8 seconds after nominal Deleted DSS65 pass on June 17 Added PRM mapping Updated SOI model to latest Added impulsive maneuver for RCS deadbanding, IDLZ02 Deweighted F2 data after June 22 20:00 at rms*sqrt(5)*3.36*2 Deweighted F3 data after June 22 20:00 to F2 sigma from following pass Deleted SRA after 6/22 20:00. Estimated SOI and associted RCS events ---------------------------------------------------------------------------------- \beginlabel MISSION_NAME = "CASSINI" SPACECRAFT_NAME = "CASSINI" DATA_SET_ID = "SPICE_SPK_FILE" KERNEL_TYPE_ID = "SPK" PRODUCT_ID = "040701AP_SCPSE_04173_04236.xsp" PRODUCT_CREATION_TIME = 2004-07-01T14:04:30 PRODUCER_ID = "CASSINI_NAV" MISSION_PHASE_NAME = "TOUR" PRODUCT_VERSION_TYPE = "PREDICT" PLATFORM_OR_MOUNTING_NAME = "N/A" START_TIME = 2004-06-21T15:00:00 STOP_TIME = 2004-08-23T12:00:00 SPACECRAFT_CLOCK_START_COUNT = "N/A" SPACECRAFT_CLOCK_STOP_COUNT = "N/A" TARGET_NAME = { "CASSINI", "MERCURY BARYCENTER", "VENUS BARYCENTER", "EARTH BARYCENTER", "MARS BARYCENTER", "JUPITER BARYCENTER", "SATURN BARYCENTER", "URANUS BARYCENTER", "NEPTUNE BARYCENTER", "PLUTO BARYCENTER", "SUN", "MERCURY", "VENUS", "MOON", "EARTH", "MARS", "MIMAS", "ENCELADUS", "TETHYS", "DIONE", "RHEA", "TITAN", "HYPERION", "IAPETUS", "PHOEBE", "SATURN" } INSTRUMENT_NAME = "N/A" INSTRUMENT_ID = "N/A" SOURCE_PRODUCT_ID = "UNK" NOTE = "SPICE transfer format SPK file." \endlabel Brief. Version: 2.2.0 (SPICE Toolkit N0055) Summary for: 040701AP_SCPSE_04173_04236.bsp Bodies Start of Interval (ET) End of Interval (ET) ------- ----------------------------- ----------------------------- -82 CASSINI 2004 JUN 21 15:01:04.184 2004 AUG 23 12:01:04.182 1 MERCURY BARYCENTER Same coverage as previous object 2 VENUS BARYCENTER Same coverage as previous object 3 EARTH BARYCENTER Same coverage as previous object 4 MARS BARYCENTER Same coverage as previous object 5 JUPITER BARYCENTER Same coverage as previous object 6 SATURN BARYCENTER Same coverage as previous object 7 URANUS BARYCENTER Same coverage as previous object 8 NEPTUNE BARYCENTER Same coverage as previous object 9 PLUTO BARYCENTER Same coverage as previous object 10 SUN Same coverage as previous object 199 MERCURY Same coverage as previous object 299 VENUS Same coverage as previous object 301 MOON Same coverage as previous object 399 EARTH Same coverage as previous object 499 MARS Same coverage as previous object 601 MIMAS Same coverage as previous object 602 ENCELADUS Same coverage as previous object 603 TETHYS Same coverage as previous object 604 DIONE Same coverage as previous object 605 RHEA Same coverage as previous object 606 TITAN Same coverage as previous object 607 HYPERION Same coverage as previous object 608 IAPETUS Same coverage as previous object 609 PHOEBE Same coverage as previous object 699 SATURN Same coverage as previous object