+-----------------------------------------------------------------------------+ | | | __ __ __ __ __ __ ___ __ ___ __ __ ___ | | /__\ /__` '__\ /__` |__) | / ` |__ /__` |__ |__) \ / | / ` |__ | | \__, .__/ \__/ .__/ | | \__, |___ .__/ |___ | \ \/ | \__, |___ | | | | | +-----------------------------------------------------------------------------+ Welcome to the operational Solar Orbiter SPICE Kernel Dataset ============================================================= This directory contains the SPICE kernels Dataset generated for the SOLAR ORBITER mission. See more details in: http://www.cosmos.esa.int/web/spice/spice-for-solo To cite this SPICE Kernel Dataset in your publications please use: ESA SPICE Service, Solar Orbiter Operational SPICE Kernel Dataset, https://doi.org/10.5270/esa-kt1577e For more information on SPICE for ESA Planetary Missions, please go to http://www.cosmos.esa.int/web/spice For information on SPICE, please go to http://naif.jpl.nasa.gov For any question or suggestion on this site, please contact: ESA SPICE Service, esa_spice@sciops.esa.int Marc Costa Sitja, marc.costa@esa.int Content of this directory -------------------------------------------------------- Each subdirectory within this directory contains all the kernels of the same type that have been generated for the SOLAR ORBITER Mission. ck: Kernels that contain orientation for the spacecraft and some of its structures, (solar arrays, for instance). fk: Kernels that define reference frames needed for the Mission. ik: Kernels for the instruments on board the spacecraft. lsk: Leapseconds kernel. mk: Meta-kernel files (a.k.a "furnsh" files) that provide lists of kernels suitable for a given mission period. pck: Kernels that define planetary constants. sclk: Spacecraft clock coefficients kernels. spk: Orbit kernels, for the spacecraft and other solar system bodies. Please refer to the aareadme.txt in each of the subdirectories for information on the contents for the specific type of kernels and the corresponding naming conventions. Usage of the SPICE Kernels for SOLAR ORBITER -------------------------------------------------------- At least a basic knowledge of the SPICE system is needed in order to use these kernels. The SPICE toolkit provides versions in Fortran (SPICELIB), C (CSPICE), IDL (icy), Matlab (mice) and Python (SpiceyPy), and the user can choose any one that suits him/her. The SPICELIB routine FURNSH, CSPICE function furnsh_c, icy routine cspice_furnsh and SpiceyPy routine furnsh load a kernel file into the kernel pool as shown below. CALL FURNSH ( 'kernel_name' ) furnsh_c ( "kernel_name" ); cspice_furnsh, 'kernel_name' cspice_funsh( 'kernel_name' ); spiceypy.furnsh( 'kernel_name' ) In the case when two or more files contain data overlapping in time for a given object, for binary kernels, the file loaded last takes precedence. If two (or more) text kernels assign value(s) using the '=' operator to identical keywords, the data value(s) associated with the last loaded occurrence of the keyword are used -all earlier values have been replaced with the last loaded value(s). An alternative to use this SPICE Kernel Dataset is to use the WebGeocalc Web Application (WGC): http://spice.esac.esa.int/webgeocalc/ WGC provides a web-based graphical user interface to many of the observation geometry computations available from the SPICE system. A WGC user can perform SPICE computations without the need to write a program; the user need have only a computer with a standard web browser. ------------------- This file was created on July 4, 2019 by Marc Costa Sitja. End of aareadme file.