Chiron

Definition

Chiron is a celestial object classified as both a comet and an asteroid, known as a centaur. It orbits between Saturn and Uranus and was discovered in 1977 by Charles Kowal.

5 Must Know Facts For Your Next Test

1. Chiron is officially designated as 95P/Chiron when considered a comet and 2060 Chiron when considered an asteroid.
2. It was the first of its kind to be categorized as a centaur, leading to the classification of other similar objects.
3. Chiron exhibits characteristics of both asteroids and comets, including having a coma, which is unusual for objects in its region.
4. Its orbit is highly eccentric, taking it closer to and farther from the Sun over time.
5. The discovery of Chiron has significantly impacted our understanding of small bodies in the outer Solar System.

Review Questions

• What dual designation does Chiron hold based on its classification?
• What significant characteristic led to Chiron being classified as a centaur?
• How has Chiron's discovery impacted our understanding of small bodies in the outer Solar System?

Related terms

Centaur: A type of minor planet that has characteristics of both asteroids and comets, typically found between Jupiter and Neptune.

Coma: The nebulous envelope around the nucleus of a comet formed when it comes close to the Sun.

Eccentric Orbit: An orbit that deviates from being circular, often elongated and elliptical.