MISSION_NAME = CASSINI SPACECRAFT_NAME = CASSINI DATA_SET_ID = SPICE_SPK_FILE KERNEL_TYPE_ID = SPK PRODUCT_ID = 000331R_SK_V1P32_V2P12.XSP PRODUCT_CREATION_TIME = 1999-10-08T16:18:02 PRODUCER_ID = CASSINI_NAV_TEAM MISSION_PHASE_NAME = 'VENUS 1 VENUS 2' PRODUCT_VERSION_TYPE = 'FINAL RECONST TRAJ' PLATFORM_OR_MOUNTING_NAME = N/A START_TIME = 1998-05-28T21:22:00 STOP_TIME = 1999-07-06T16:00:00 SPACECRAFT_CLOCK_START_COUNT = N/A SPACECRAFT_CLOCK_STOP_COUNT = N/A TARGET_NAME = CASSINI INSTRUMENT_NAME = N/A INSTRUMENT_ID = N/A SOURCE_PRODUCT_ID = UNK NOTE = 'SPICE transfer format SPK file.' ; 000331R_SK_V1P32_V2P12.BSP LOG FILE ; Created 2000-03-30/18:20:06.00. ; ; BEGIN SPKMERGE COMMANDS LEAPSECONDS_KERNEL = /cnav/software/internal/leapseconds.dat SPK_KERNEL = 000331R_SK_V1P32_V2P12.BSP SOURCE_SPK_KERNEL = 000331R_1_SK_V1P32_V2P12.BSP INCLUDE_COMMENTS = NO BODIES = -82 BEGIN_TIME = 1998 MAY 28 21:22:00.000 END_TIME = 1999 JUL 06 15:59:59.816 SOURCE_SPK_KERNEL = EP51D_peph.upd.bsp INCLUDE_COMMENTS = NO BODIES = 499, 299, 199, 399, 301, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 BEGIN_TIME = 1998 MAY 28 21:22:00.000 END_TIME = 1999 JUL 06 16:00:00.000 ; END SPKMERGE COMMANDS FILENAME: 000331R_SK_V1P32_V2P12.XSP PURPOSE OF DELIVERY: Final, archival trajectory reconstruction for Cassini for the period from Venus 1 to Venus 2. DELIVERED BY: Fernando Peralta 3-0528. The original nio file was produced by Duane Roth. DELIVERY DATE: March 31, 2000 FILE USAGE RESTRICTIONS: A special planetary ephemeris file was merged with the spacecraft kernel. This planetary ephemerides is to be used only in conjunction with this spacecraft kernel. PLANETARY EPHEMERIS USED: Customized planetary ephemeris. SATELLITE/ASTEROID/ROCK EPHEMERIS USED: N/A START EPOCH OF PROPAGATED DATA ARC: N/A END EPOCH OF PROPAGATED DATA ARC: N/A START EPOCH OF RECONSTRUCTED DATA ARC: 28 MAY 1998 21:22:00 UTC. END EPOCH OF RECONSTRUCTED DATA ARC: 6 JULY 1999 16:00:00 UTC. COMMENTS: This delivery replaces the previously released reconstructed trajectory 000202R_SK_V1P32_V2P12.XSP. The difference between these two trajectories resides in the inclusion of the planetary ephemeris specified previously. This customized planetary ephemeris provides a better trajectory fit for the Venus swingby portion. Brief. Version: 2.1 (SPICE Toolkit N0051) Summary for: 000331R_SK_V1P32_V2P12.bsp Bodies Start of Interval (ET) End of Interval (ET) ------- ----------------------------- ----------------------------- -82 CASSINI 1998 MAY 28 21:23:03.184 1999 JUL 06 16:01:04.000 1 MERCURY BARYCENTER 1998 MAY 28 21:23:03.184 1999 JUL 06 16:01:04.183 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