Log file for SPACIT Version 7.1.1. ******************************************************************************** Comments From File: de421.bsp ; de421.bsp LOG FILE ; ; Created 2008-02-12/11:33:34.00. ; ; BEGIN NIOSPK COMMANDS LEAPSECONDS_FILE = naif0007.tls SPK_FILE = de421.bsp SPK_LOG_FILE = de421_spk_conversion.log NOTE = NIOSPK 6.1.0 Conversion SOURCE_NIO_FILE = de421.nio BEGIN_TIME = CAL-ET 1899 JUL 29 00:00:00.000 END_TIME = CAL-ET 2053 OCT 09 00:00:00.000 ; END NIOSPK COMMANDS DE 421 JPL Planetary Ephemeris SPK ================================== Original file name: de421.bsp Creation date: Feb. 13, 2008 File created by: Dr. William Folkner (SSD/JPL) Comments added by: Nat Bachman (NAIF/JPL) This SPK file was released on February 13, 2008 by the Solar System Dynamics Group of JPL's Guidance, Navigation, and Control section. The DE 421 planetary ephemeris is described in JPL IOM 343R-08-002, dated Feb. 13, 2008. The introduction of that memo states, in part, that this ephemeris "represents an overall update for all planets, and so is suitable for use for any purpose limited by the integration time span of approximately 1900-2050." The memo also states that this ephemeris "is the successor to the best previously released ephemeris DE 418." One of the release memo's authors has indicated that a more comprehensive and "less Phoenix-centric" version of the file release memo is forthcoming; the date of the new memo is TDB. ******************************************************************************** ******************************************************************************** Summary for SPK file: de421.bsp Leapseconds File : /usgs/cpkgs/isis2/lsb/isisd/cssdata/naif0008.tls Summary Type : Entire File -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 1, MERCURY BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 2, VENUS BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 3, EARTH BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 4, MARS BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 5, JUPITER BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 6, SATURN BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 7, URANUS BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 8, NEPTUNE BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 9, PLUTO BARYCENTER Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 10, SUN Center Body : Body 0, SOLAR SYSTEM BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 301, MOON Center Body : Body 3, EARTH BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 399, EARTH Center Body : Body 3, EARTH BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 199, MERCURY Center Body : Body 1, MERCURY BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 299, VENUS Center Body : Body 2, VENUS BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Segment ID : DE-0421LE-0421 Target Body : Body 499, MARS Center Body : Body 4, MARS BARYCENTER Reference frame: Frame 1, J2000 SPK Data Type : Type 2 Description : Fixed Width, Fixed Order Chebyshev Polynomials: Pos UTC Start Time : 1899 JUL 28 23:59:18.817 UTC Stop Time : 2053 OCT 08 23:58:54.818 ET Start Time : 1899 JUL 29 00:00:00.000 ET Stop time : 2053 OCT 09 00:00:00.000 -------------------------------------------------------------------------------- ********************************************************************************