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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).

You can get SPK files for many solar system small bodies from HORIZONS system of NASA/JPL:


from spktype01 import SPKType01

kernel =‘path’)

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


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 :

SPICE Toolkit :

Release History

Release History


This version

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TODO: Figure out how to actually get changelog content.

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
spktype01-0.1.0-py3-none-any.whl (7.8 kB) Copy SHA256 Checksum SHA256 py3 Wheel Oct 11, 2016

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