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Julia wrapper for NASA NAIF's SPICE toolkit
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README.md

SPICE.jl

Julia wrapper for NASA NAIF's SPICE toolkit

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SPICE.jl is a Julia wrapper for the SPICE toolkit which is provided by NASA's Navigation and Ancillary Information Facility (NAIF). It provides functionality to read SPICE data files and compute derived observation geometry such as altitude, latitude/longitude and lighting angles. Please refer to its comprehensive documentation if you are not yet familiar with SPICE.

Note: This project is not affiliated with NASA, NAIF or JPL in any way.

Installation

julia> import Pkg; Pkg.add("SPICE")

Quickstart

# Download SPICE kernels from https://naif.jpl.nasa.gov/pub/naif/generic_kernels/

using SPICE

# Load leap seconds kernel
furnsh("naif0012.tls")

# Convert the calendar date to ephemeris seconds past J2000
et = utc2et("2018-02-06T20:45:00")

# Load a planetary ephemeris kernel
furnsh("de430.bsp")

# Get the position of Mars at `et` w.r.t. Earth
spkpos("mars_barycenter", et, "J2000", "none", "earth")

Citing

If you publish work that uses SPICE.jl, please cite the underlying SPICE toolkit. The citation information can be found here.

Documentation

Please refer to the documentation for additional information.

Acknowledgements

SPICE.jl's test suite is based on the unit tests for the Python wrapper SpiceyPy by Andrew Annex.

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