Orbital Period Calculator
Calculate orbital period from altitude and central body mass using Kepler's third law. Supports Earth, Moon, Mars, Jupiter, Sun, Venus, Saturn, and custom bodies. Shows period, velocity, and orbits per day.
How to Use Orbital Period Calculator
Select a central body (Earth, Moon, Mars, etc.) or enter custom mass and radius. Enter the orbit altitude in km above the surface. Click Calculate to see orbital period, velocity, and orbits per day.
Step-by-Step Instructions
- Select central body or enter custom values
- Enter orbit altitude in km
- Click Calculate Orbital Period
- View period, velocity, and formula
Related Tools
Timezone Converter
Convert times between different timezones worldwide instantly.
Unix Timestamp Converter
Convert between Unix timestamps and readable date-time strings.
Date Difference Calculator
Calculate the difference between two dates in multiple time units.
Countdown Timer
Set countdown timers with visual alerts when time is up.