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NAIF

Announcements

(Most recent at top)

  • 6/17/15 - NAIF asks the space science community if/how it should propose to advance the infusion of SPICE into the heliophysics domain.

  • 6/16/15 - NAIF is contemplating some modernization of its Toolkit. For your information the tentative plan is briefly outlined in this document. Those with comments should write back by June 30.

  • 3/27/15 - NAIF announces the availability of a SPICE-enabled mission visualization tool: Cosmographia. Check out the announcement letter (PDF).

  • 2/12/2015 - Many of the on-line SPICE tutorials have been updated. The new versions, both individual PDFs and two kinds of packages, are available under the Tutorials link.

  • 1/14/15 - NAIF announces the availablility of a new interface to SPICE — WebGeocalc (WGC). Using just a standard browser one can make many kinds of SPICE calculations. WGC also provides some plotting capability. Look here for the announcement letter.

  • 1/8/15 - The International Earth Rotation Service (IERS) has announced a new, positive leap second will be added at end of day (midnight) on June 30, 2015. This new leap second will affect time conversions for times occuring only on and after July 01, 2015.

    The leapseconds kernels (LSK) on the NAIF server have already been updated accordingly. The two versions, one for Unix/Linux/Mac (naif0011.tls) and one for PCs running Windows (naif0011.tls.pc) are available from the usual location on the NAIF server: http://naif.jpl.nasa.gov/pub/naif/generic_kernels/lsk/.

    These new LSKs should be used starting now in any SPICE-based applications dealing with time conversions for times occuring on or after July 01, 2015, unless you wish to maintain consistency with a previously generated product.

  • 12/18/14 [Updated 2/15]- NAIF offers a newsletter (PDF) regarding SPICE capabilities and NAIF activities.

  • 10-31-14 - NAIF put on a SPICE training class in Columbia, Maryland on October 21 - 23. Notes from that class in PDF format, including student feedback, are available.

  • 7-23-14 - The SPICE Toolkits have been changed to the new N65 versions. These are fully backwards compatible with previous versions, so we recommend all SPICE users to upgrade. Read the "whats.new" for your programming language and computing environment for details about new and revised capabilities and bug fixes.

  • 4-17-14 - A new, generic planetary constants kernel (PCK) containing Gm values for the planets, their major satellites, and the planet-satellite systems has been placed on the NAIF server here:
    http://naif.jpl.nasa.gov/pub/naif/generic_kernels/pck/gm_de431.tpc

  • 1/2/14 - A new link has been added to the NAIF website: "Self training." This provides access to the reduced set of SPICE tutorials (generally smaller versions, and fewer of them) and the SPICE programming lessons used in the SPICE training classes taught on occasion near JPL. Use this link to conduct your own beginner's SPICE training class.

  • 7/1/10 - An alpha-test version of the SPICE Digital Shape Kernel (DSK) subsystem is available. This release makes use of the latest and final underlying Digital Shape Kernel file format—it will not change from now on. Contact NAIF for details on how to access one of these toolkits.

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