# Aphelion calculator

### Videos

Visit http://ilectureonline.com for more math and science lectures! In this video I will show you how to calculate the eccentricity of a planets orbit using Keppler's ...

This video explains Kepler's Third Law for planets. Calculations are done to find period and semimajor axis values. The perihelion distance for Halley's Comet is ...

This is a simple calculator for solid propellant based rocket engines. Implemented in Matlab's "App Designer".