👉 Australioid is a type of asteroid that orbits the Sun in an elliptical orbit around the planet Uranus. It was first discovered by astronomer William Herschel in 1786 and named after its discoverer, Sir Arthur Geissler, who lived in Australia. The term "australid" is often used to describe asteroids with a diameter of about 20 kilometers (12 miles) or smaller, which are believed to be the largest known asteroid in