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A supporting module for jplephem to handle data type 1

Project Description

A supporting module for jplephem to handle data type 1

Compute position and velocity of a celestial small body, from a NASA SPICE SPK ephemeris kernel file of data type 1 (Modified Difference Arrays). http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/FORTRAN/req/spk.html

You can get SPK files for many solar system small bodies from HORIZONS system of NASA/JPL: http://ssd.jpl.nasa.gov/x/spk.html

Usage:

from spktype01 import SPKType01

kernel = SPKType01.open(‘path’)

position, velocity = kernel.compute_type01(center, target, jd)

where:

center - SPKID of central body (10 for Sol)

target - SPKID of target body

jd - time for computation (Julian date)

Author: Shushi Uetsuki (whiskie14142)

This module has been developed based on jplephem.spk and FORTRAN source of the SPICE Toolkit of NASA/JPL/NAIF.

jplephem : https://pypi.python.org/pypi/jplephem

SPICE Toolkit : http://naif.jpl.nasa.gov/naif/toolkit.html

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0.1.0

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spktype01-0.1.0-py3-none-any.whl (7.8 kB) Copy SHA256 hash SHA256 Wheel py3 Oct 11, 2016

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