Latest additions: Javascript page that calculates the selenographic colongitude of the Sun and other useful numbers for a month, and formats these as a table.
- 2000 March 19th

Contents

• Introduction
• Euler: Software for interactive calculations
• download whole site for offline viewing (962 Kb ZIP file - updated 22nd Feb 00)
• Thibaut de Pontcharra's Java Code page
• Astronomical Javascript page by Peter Hayes
• Coordinates
  • Finding horizon coordinates
  • Precession, B1950.0 to J2000.0
• Planets
  • 2000 Transit and declination charts
  • Circular Orbits
  • Elliptical orbits, osculating elements
  • Elliptical orbits, mean elements
  • Kepler's equation and the equation of centre
• The Sun
  • The Sun's position to 0.01 degree
  • Sun (and Moon) rise times for any latitude
• The Moon
  • Position to 0.3 degrees
  • Position to 4 arcmin worst case
  • Meeus series on a spreadsheet: 10 arcsec typical
  • Javascript for Moon's position to 10 arcsec
  • An older Meeus algorithm checked over a complete Saros
  • Moon (and Sun) rise times for any latitude
  • Javascript page for librations and colongitude of the Sun at any time
  • Javascript page producing a monthly table of moon numbers
• Other satellites
  • Galilean moons of Jupiter
• Tools, links and resources
  • Excel 5/95/97 user defined functions
  • High precision software, mostly freeware
  • More general astromechanical links

Navigation Note: This site is organised like a tree. This page is the root. Each of the items in the contents list above leads to the contents list of a branch page.

• Selecting the [Root] link from a branch page will always return you to this page.
• Selecting the [Top] link from part of a page will get you back to the contents list of the page.
• When following a link to an external site, you will need to use the Back button or command on the browser to return to this site.
• I have added some notes on how these pages were produced.

This web site is designed to be viewed with any browser, and has been checked for accessibility using the CAST Bobby criteria. If you have problems with the page, please let me know by sending e-mail to the address below.

Last Modified 2000 March 19
Keith Burnett

since 20000319