Concepts in Astronomy #14. Orbital Period

Orbital period

The orbital period of a celestial object is the time that this object takes to fulfill one revolution around another celestial object. it applies for planets orbiting stars, moons orbiting planets and binary stars. this term is also known as the sidereal period (which refers to the time that the object takes to return to the same position relative to the fixed stars projected in the celestial sphere). Planet Earth's orbital period is 1 year (1 Earth year). Jupiter's orbital period is 11.86 Earth years and Saturn's is 29.46 Earth years.

Previous Posts

Concepts in Astronomy #1. Introduction
Concepts in Astronomy #2. The Ecliptic
Concepts in Astronomy #3. The Celestial Equator
Concepts in Astronomy #4. Right Ascension
Concepts in Astronomy #5. Declination
Concepts in Astronomy #6. The Celestial Sphere
Concepts in Astronomy #7. Azimuth
Concepts in Astronomy #8. Altitude
Concepts in Astronomy #9. The Equatorial Coordinate System
Concepts in Astronomy #10. The Topocentric Coordinate System
Concepts in Astronomy #11. Equinox
Concepts in Astronomy #12. Solstice
Concepts in Astronomy #13. Rotation Period

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- Galaxy image obtained from Pixabay under CC0. No Copyright. The person who associated a work with this deed has dedicated the work to the public domain by waiving all of his or her rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law

- Earth's Orbit image obtained from NASA.gov. No Copyright.