OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is half Pluto’s, ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The discovery of dwarf planet 2017 OF201 hints at a 'population behind it with hundreds of ...

Researchers found a ‘planet’ smaller than Pluto A new planetary body named 2017 OF201 was identified by a team of researchers from the Institute of Advanced Study in New Jersey and later confirmed by ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region thought to be largely devoid of objects May 29, 2025 ...

It had not been thought possible that such tiny, weak stars could provide the conditions needed to form and host huge planets.

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 years to complete one orbit around the sun. The object, known as 2017 OF201, ...

Composite image showing the five dwarf planets recognized by the International Astronomical Union, plus the newly discovered trans-Neptunian object 2017 OF201. NASA / JPL-Caltech / Sihao Cheng et al.

In other words, 2017 OF201 likely would not be able to remain if Planet Nine does exist. But Yang said more research is needed, and the discovery of the new dwarf planet candidate is not ...

Discarding Planet Nine The discovery challenges the Planet Nine hypothesis, which suggests a massive, unseen planet is influencing the orbits of distant TNOs. While most extreme TNOs show a clustered ...

Dubbed 2017 OF201, the object is trans-Neptunian orbiting the sun at a distance beyond that of Neptune. The object takes about 25,000 years to complete a single orbit of the sun, compared to 365 days ...