Kepler’s Laws and Planetary Motion
by Anonymous
Stretch the eccentricity to 0.8 and check that the swept area stays constant while all eight planets fall on one T²∝a³ line.
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About this app
Kepler’s Laws and Planetary Motion is an interactive science app for exploring how planets move around the Sun. Adjust orbital eccentricity to compare circles and elongated ellipses, change the planet’s orbital position to examine equal swept areas and changing speed, and select planets to see the relationship T² = a³.
Use cases
- High school Earth science students studying Kepler’s laws
- Teachers demonstrating elliptical orbits and planetary motion
- Learners reviewing perihelion, aphelion, and orbital speed
- Classroom activities comparing planetary periods and distances
Features
- Adjustable eccentricity with visual focus points and orbit-shape changes
- Interactive position control showing swept areas and speed differences
- Planet selector covering Mercury through Neptune
- T² = a³ relationship display for orbital period and semi-major axis
- Mission-based activities with reset and next controls