Jabarkan Rujuakan dari Orbit dalam bahasa minangkabau

CalcTool: Orbital period of a planet calculator. Has wide choice of units. Requires JavaScript.

Java simulation on orbital motion. Requires Java.

NOAA page on Climate Forcing Data includes (calculated) data on Earth orbit variations over the last 50 million years and for the coming 20 million years

On-line orbit plotter. Requires JavaScript.

Orbital Mechanics (Rocket and Space Technology)

Orbital simulations by Varadi, Ghil and Runnegar (2003) provide another, slightly different series for Earth orbit eccentricity, and also a series for orbital inclination. Orbits for the other planets were also calculated, by , but only the eccentricity data for Earth and Mercury are available online.

Understand orbits using direct manipulation . Requires JavaScript and Macromedia