MISSION_NAME = "CASSINI" SPACECRAFT_NAME = "CASSINI" DATA_SET_ID = "SPICE_SPK_FILE" KERNEL_TYPE_ID = "SPK" PRODUCT_ID = "080520AP_SCPSE_08138_10182.xsp" PRODUCT_CREATION_TIME = 2008-05-19T18:36:24 PRODUCER_ID = "CASSINI_NAV_TEAM" MISSION_PHASE_NAME = "TOUR" PRODUCT_VERSION_TYPE = "PREDICT" PLATFORM_OR_MOUNTING_NAME = "N/A" START_TIME = 2008-05-17T01:19:59 STOP_TIME = 2010-07-01T11:58:55 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 = "SEE COMMENTS" NOTE = "SPICE transfer format SPK file." ; 080520AP_SCPSE_08138_10182.BSP LOG FILE ; ; Created 2008-05-19/18:36:23.00. ; ; BEGIN NIOSPK COMMANDS LEAPSECONDS_FILE = /cnav/inputs/naif/naif0008.tls SPK_FILE = 080520AP_SCPSE_08138_10182.BSP SPK_LOG_FILE = 080520AP_SCPSE_08138_10182.log INCLUDE_TEXT_FILE = 080520AP_comments.txt SOURCE_NIO_FILE = 080520AP_SK_08138_10182.NIO BODIES = -82 BEGIN_TIME = CAL-ET 2008 MAY 17 01:21:04.000 END_TIME = CAL-ET 2010 JUL 01 11:59:59.999 SOURCE_NIO_FILE = /cnav/OD/deliveries/080513_068T44/odstuff/se_060726-180118_080513.nio BEGIN_TIME = CAL-ET 2008 MAY 17 01:21:04.000 END_TIME = CAL-ET 2010 JUL 01 11:59:59.999 SOURCE_NIO_FILE = /cnav/OD/deliveries/080513_068T44/odstuff/pe_141230-500102_080513.nio BEGIN_TIME = CAL-ET 2008 MAY 17 01:21:04.000 END_TIME = CAL-ET 2010 JUL 01 11:59:59.999 ; END NIOSPK COMMANDS FILENAMES: 080520AP_SK_08138_10182.XSP, 080520AP_PE_08138_10182.XSP, 080520SP_SE_08138_10182.XSP PURPOSE OF DELIVERY: Changed_the_E5_B-plane_angle_from_70_to_90_degrees Moved_3_maneuver_locations_to_accommodate_Discipline_Work_Group_and_Navigation_requests_OTMs_162,_168,_and_177 DELIVERED BY: Joan Pojman; Tour design by Buffington/name2/name3 FILE USAGE RESTRICTIONS: Use for planning for span of file. PLANETARY EPHEMERIS USED: 080520AP_PE_08138_10182.BSP SATELLITE/ASTEROID/ROCK EPHEMERIS USED: 080520SP_SE_08138_10182.BSP START EPOCH: 17-MAY-2008 01:19:58.815 ET END EPOCH: 01-Jul-2010 11:58:54.815 ET -------------------------------------------------------------------------------- TRAJECTORY COMMENTS: 070918 Reference Trajectory B Buffington Purpose: - Changed the E5 B-plane angle from 70 to 90 degrees. - Moved 3 maneuver locations to accommodate Discipline Work Group and Navigation requests (OTM's 162, 168, and 177) Additional Notes: - Start Date: 17-May-2008 01:21:04 ET - End Date: 01-Jul-2010 12:00:00 ET - 080513_068T44 OD solution used for planetary and satellite ephemeredes - Initial state from O155_h MAS run - E4 and E5 altitude computations use Porco/Thomas et al. tri-axial ellipsoid shape model, 256.6 x 251.4 x 248.3 km - dv cost: 0.8 m/s (ephemeris update) -0.1 m/s (maneuver location changes) 1.2 m/s (E5 B-plane angle change) - total dv cost: 1.9 m/s -------------------------------------------------------------------------------- ORBIT DETERMINATION COMMENTS: -------------------------------------------------------------------------------- OD DELIVERY NAME: 080513_068T44 BY: Daniel W. Parcher DATE: May 14, 2008 PURPOSE OF DELIVERY: Final OTM155 OD Delivery ORIGINAL DIRECTORY: /cnav/OD/ops/068T44/epoch_080505/080514 case 7 COMMENTS: Epoch of arc is 5-MAY-2008 12:00:00.000000000 Spacecraft a priori state and covariance from sat264 delivery Spacecraft State covariance with scale factor of 5 Satellite/planet Covariance sat264 and was scaled by a factor of 3 during the T37 data arc and improved with the addition of data through the consecutive arcs leading up to the epoch of this arc. 2-way Doppler and Range through 13-MAY-2008 23:30 Optical Data through 11-MAY-2008 15:59 Weights by pass for F2 and SRA SMALL FORCES: SMFDV001 06-MAY-2008 19:30:54.1 SMFDV002 09-MAY-2008 16:21:40.6 SMFDV004 09-MAY-2008 19:36:22.8 SMFDV005 11-MAY-2008 02:55:21.6 SMFDV006 12-MAY-2008 09:20:42.0 SMFDV007 12-MAY-2008 10:38:08.3 MANEUVERS None ------------------------------------------------------------------------------------- \beginlabel MISSION_NAME = "CASSINI" SPACECRAFT_NAME = "CASSINI" DATA_SET_ID = "SPICE_SPK_FILE" KERNEL_TYPE_ID = "SPK" PRODUCT_ID = "080520AP_SCPSE_08138_10182.xsp" PRODUCT_CREATION_TIME = 2008-05-19T18:36:24 PRODUCER_ID = "CASSINI_NAV_TEAM" MISSION_PHASE_NAME = "TOUR" PRODUCT_VERSION_TYPE = "PREDICT" PLATFORM_OR_MOUNTING_NAME = "N/A" START_TIME = 2008-05-17T01:19:59 STOP_TIME = 2010-07-01T11:58:55 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 = "SEE COMMENTS" NOTE = "SPICE transfer format SPK file." \endlabel Brief. Version: 2.2.0 (SPICE Toolkit N0058) Summary for: 080520AP_SCPSE_08138_10182.bsp Bodies Start of Interval (ET) End of Interval (ET) ------- ----------------------------- ----------------------------- -82 CASSINI 2008 MAY 17 01:21:04.000 2010 JUL 01 11:59:59.999 1 MERCURY BARYCENTER 2008 MAY 17 01:21:04.000 2010 JUL 01 11:59:59.999 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