File Description for mar033-5.bsp --------------------------------- This file contains ephemerides for the Martian satellites Phobos and Diemos, and for the Sun, Earth, Moon and Mars during the time period 01-JAN-1998 to 09-JAN-2005. These are updated ephemerides based on a GMM-1 gravity field Sinclair/Morley theory fit to data. It is an extended ephemeris for future mission studies. This Description consists of an Object Summary, an NIOSPK Input File Log and a Satellite Ephemeris Release. The Object Summary lists the bodies present in the ephemeris, specifies their reference bodies, and gives the time interval(s) covered by the ephemerides. The NIOSPK Input File Log consists of the command input to the NIOSPK program that merged and converted the NIO input files to SPK format. The Satellite Ephemeris Release is provided by R. A. Jacobson of JPL, preparer of the satellite ephemeris data, and contains additional information on the initial conditions, purpose and accuracy of the ephemerides. If you have questions regarding this file contact: Jeff Bytof (818) 354-2504 jbytof@spice.jpl.nasa.gov ======================== Object Summary ================================== Summary for: mar033-5.bsp Bodies: EARTH BARYCENTER (3) w.r.t. SOLAR SYSTEM BARYCENTER (0) MARS BARYCENTER (4) w.r.t. SOLAR SYSTEM BARYCENTER (0) SUN (10) w.r.t. SOLAR SYSTEM BARYCENTER (0) MOON (301) w.r.t. EARTH BARYCENTER (3) EARTH (399) w.r.t. EARTH BARYCENTER (3) PHOBOS (401) w.r.t. MARS BARYCENTER (4) DEIMOS (402) w.r.t. MARS BARYCENTER (4) MARS (499) w.r.t. MARS BARYCENTER (4) Start of Interval (ET) End of Interval (ET) -------------------------------- -------------------------------- 1998 JAN 01 00:00:00.000 2005 JAN 09 00:00:00.000 ======================= NIOSPK Input File Log ================================= ; mar033-5.bsp LOG FILE ; ; Created 1997-10-15/15:00:32.00. ; ; BEGIN NIOSPK COMMANDS LEAPSECONDS_FILE = /kernels/gen/lsk/naif0006.tls SPK_FILE = mar033-5.bsp SPK_LOG_FILE = mar033-5.log INCLUDE_TEXT_FILE = mar033-5.release SOURCE_NIO_FILE = /usr2/nio/gen/de403s.nio BODIES = 10, 3, 301, 399, 4 BEGIN_TIME = CAL-ET 1998 JAN 01 00:00:00.000 END_TIME = CAL-ET 2005 JAN 09 00:00:00.000 SOURCE_NIO_FILE = /usr2/nio/gen/mar033-5.nio BODIES = 401 402 499 BEGIN_TIME = CAL-ET 1998 JAN 01 00:00:00.000 END_TIME = CAL-ET 2005 JAN 09 00:00:00.000 ; END NIOSPK COMMANDS ======================= Satellite Ephemeris Release ======================== Satellite Ephemeris: MAR033.5 File location: murphy:/home2/raj/Ephemerides/Mars/mar033.5.nio Enter SATGEN/7 29-SEP-1997 10:29:57 linked 19-JUN-1997 11:48:08 Sinclair/Morley theory fit to data - GMM-1 gravity field Ephemeris Version Number: 7 Timespan from JED 2450814.500(01-JAN-1998) to JED 2453379.500(09-JAN-2005) File Epoch Julian Date: 2433282.50 Master Interval = 9.0000 Days Equinox Reference Julian Date: 2451545.00 Planetary Ephemeris Number: DE400/LE400 Bodies on the File: Name Number GM NDIV NDEG Model Phobos 401 6.900000000000000E-04 21 15 MARROG Deimos 402 1.200000000000000E-04 4 15 MARROG Mars 499 4.282831000000000E+04 1 2 MARROG System 4.282831081000000E+04 Additional Constants on the File: AU 1.495978706930000E+08 RADIUS 3.394200000000000E+03 J402 1.958744236927738E-03 J404 -1.544758500000000E-05 J406 -4.809812929590655E-06 POLTIM 2.451545000000000E+06 ZACPL4 3.176810000000000E+02 ZDEPL4 5.288600000000000E+01 DACPL4 -1.082634477472879E-01 DDEPL4 -6.145938682503714E-02 WPL4 1.768680000000000E+02 WDP4 3.508919830000000E+02 J403 3.150092540660739E-05 J405 5.848879915442181E-06 J407 -5.044821990079402E-06 J408 -4.436044287664986E-07 C40201 4.800265282192135E-09 S40201 8.433782202002733E-09 C40202 -5.442562507653622E-05 S40202 3.207439707968164E-05 C40301 4.149159315808776E-06 S40301 2.730396370566899E-05 C40302 -5.438445464054723E-06 S40302 2.880981952778337E-06 C40303 4.938440449888407E-06 S40303 3.508686713137301E-06 C40401 4.055607395939038E-06 S40401 3.503672289945575E-06 C40402 -2.507508521175496E-07 S40402 -2.005652604558221E-06 C40403 3.867691075800419E-07 S40403 -1.464301447639094E-08 C40404 2.243073658508141E-09 S40404 -2.716835353360919E-07 Ephemeris Accuracy (km,sec) - 1 sigma: Name Radial Downtrack Normal Period Phobos 3.000 15.000 7.000 0.000100 Deimos 3.000 30.000 16.000 0.000400 Chebyshev interpolation error: 50.00 meters Release to: J. Ekelund Date: 29-SEP-1997 Time: 10:41:21 Preparer: R.A. Jacobson Comments: Extended ephemeris for future mission studies. File contains 5665792 bytes. ======================== End of Comments ==================================