This is a list of trans-Neptunian objects (TNOs), which are minor planets in the Solar System that orbit the Sun at a greater distance on average than Neptune, that is, their orbit has a semi-major axis greater than 30.1 astronomical units (AU).

More than 80 satellites have been discovered in orbit of trans-Neptunian objects. TNOs vary in color and are either grey-blue (BB) or very red (RR). They are thought to be composed of mixtures of rock, amorphous carbon and volatile ices such as water and methane, coated with tholins and other organic compounds.

2024年2月29日 · The Kuiper Belt is a population of objects located beyond the Neptunian orbit (Morbidelli & Levison, 2014), with its existence predicted by astronomers Edgeworth and Kuiper in 1943 and 1951 respectively, sometimes also referred to as the Edgeworth-Kuiper Belt. Its inner edge begins at the Neptunian orbit, approximately 30 AU from the sun.

2023年11月24日 · This periphery starts beyond Neptune’s orbit and is home to many objects, called trans-Neptunian objects (TNOs). In this article, we will take a closer look at the different types of TNOs and their significance in understanding the formation and …

A TNO or Trans Neptunian object is any minor planet orbiting the sun in our solar system beyond Neptune, or at a distance which is more than Neptune's (on average). Known divisions of bodies beyond Neptune which are still part of the solar system are …

In astronomy, a resonant trans-Neptunian object is a trans-Neptunian object (TNO) in mean-motion orbital resonance with Neptune.

2018年4月22日 · Trans-Neptunian Objects (TNOs) or Kuiper Belt Objects (KBOs) --non-cometary objects with semimajor axes beyond Neptune's orbit. First one discovered in 1992. (2,330) Subgroups include: Plutinos--TNOs near the 2:3 resonance with Neptune. Pluto, discovered in 1930, is the largest object near this resonance.

A trans-Neptunian object (TNO), also written trans Neptunian object, is any minor planet in the Solar System that orbits the Sun at a greater average distance than Neptune, which has a semi-major axis of 30.1 astronomical units (au). Typically, …

Trans-Neptunian objects (TNOs) are celestial bodies that orbit the Sun beyond Neptune's orbit, located approximately 2.75 billion miles (4.3 billion kilometers) from Earth. These objects primarily consist of rock and ice, with Pluto and Eris being the largest and most well-known among them, measuring about 1,500 miles (2,400 kilometers) in ...

2024年3月21日 · Trans-Neptunian Objects (TNOs) are celestial bodies that orbit the Sun at a distance greater than that of Neptune, the eighth and farthest known planet in our solar system.