Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

Earth has a newly-discovered neighbor in the solar system.. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

The celestial body, officially named 2017 OF201, is a trans-Neptunian object (TNO)—a minor planet beyond Neptune’s orbit—and one of the most distant visible objects in the solar system.

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

The theory puts the planet at around the same size as Neptune, far past Pluto somewhere near the Kuiper Belt, where 2017OF201 was located. 5 The four planets and sun of our solar system.

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...

A new dwarf planet named 2017 OF201 has been discovered far beyond Neptune. ... The dwarf planet's orbit is such an elongated ellipse that it takes around 25,000 years to make one orbit of our sun.

Pluto, the largest of those dwarf planets, has a diameter of about 1,477 miles (2,377 km). The mass of 2017 OF201 is estimated to be about 20,000 times smaller than Earth's and 50 times smaller ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

Dwarf planets: NASA / JPL-Caltech; 2017 OF201: Sihao Cheng et al. ... (TNO)—a minor planet beyond Neptune’s orbit—and one of the most distant visible objects in the solar system.