[Spice_discussion] FW: SPK of IAU Observatories

Acton, Charles H (392N) charles.h.acton at jpl.nasa.gov
Mon Apr 18 17:23:31 PDT 2016

From: chuck acton <charles.h.acton at jpl.nasa.gov<mailto:charles.h.acton at jpl.nasa.gov>>
Date: Monday, April 18, 2016 10:45 AM
To: Andrew Mattingly <andrew_mattingly at au1.ibm.com<mailto:andrew_mattingly at au1.ibm.com>>
Cc: boris semenov <Boris.V.Semenov at jpl.nasa.gov<mailto:Boris.V.Semenov at jpl.nasa.gov>>, Nat Bachman <nbachman at spice.jpl.nasa.gov<mailto:nbachman at spice.jpl.nasa.gov>>, Ed Wright <Edward.D.Wright at jpl.nasa.gov<mailto:Edward.D.Wright at jpl.nasa.gov>>
Subject: Re: [Spice_discussion] SPK of IAU Observatories


NAIF does not have one, or a set of, SPKs and FKs for terrestrial optical observatories. (We do have an SPK and FK for the large number of terrestrial communications stations available in the "NASA Directory of Station Locations," or NDOSL, since some of these are used for at least one mission supported by NAIF/SPICE.)

If a machine readable list of observatory names and accurate locations exists, one could generate a corresponding SPK and FK using the SPICE PINPOINT application available from the NAIF server here:


This is the tool we use to make SPKs and FKs for the DSN and NDOSL stations.

Perhaps you'd like to give that tool a try?  If so, and you had questions or wanted a bit of review, we could provide that.  Or, at some future date NAIF could make the SPK and FK if you could point out a suitable list to work from.  We can't do that right now, however, since my guys are deeply involved in finishing the next Toolkit release, already behind schedule.

Chuck Acton

From: <spice_discussion-bounces at naif.jpl.nasa.gov<mailto:spice_discussion-bounces at naif.jpl.nasa.gov>> on behalf of Andrew Mattingly <andrew_mattingly at au1.ibm.com<mailto:andrew_mattingly at au1.ibm.com>>
Date: Monday, April 18, 2016 3:48 AM
To: spice_discussion <spice_discussion at naif.jpl.nasa.gov<mailto:spice_discussion at naif.jpl.nasa.gov>>
Subject: [Spice_discussion] SPK of IAU Observatories

HORIZONS is aware of IAU observatory codes and locations.  Is there a publicly-available SPK for these observatories?

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