vj.py

• Simple PySPICE-based Python script to determine times of the eighty-two Venus crossings of the equator of Jupiter from 1901 to 2100

  • vj.txt is the output

Pre-requisites:

• PySPICE package

  • import spice
  • see https://github.com/rca/PySPICE
  • or https://github.com/drbitboy/PySPICE

• NAIF/SPICE kernels from http://naif.jpl.nasa.gov/

  • see vj.py which is its own meta-kernel

• Geometry Finder routine from SPICE toolkit

  • http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/gfposc_c.html