Trans-Neptunian object - Wikipedia
471325) 2011 KT19 - Wikipedia
A recently discovered asteroid had 'a very close encounter' with Earth | Hawai'i Public Radio
Planet 'Niku' Miliki Arah Orbit Berlawanan : Okezone techno
Retrograde Rock "Niku" Defies Orbital Trend - Sky & Telescope - Sky & Telescope
Kuiper belt, dwarf planets and what is beyond our solar system | WIRED UK
Niku, A Mysterious Object Beyond Neptune, Is Traveling In The Wrong Direction | HuffPost Impact
What's Up with 'Niku'? Object's Weird Orbit Puzzles Scientists | Space
Mystery object in weird orbit beyond Neptune cannot be explained | New Scientist
A Mysterious Object Is Orbiting Beyond Neptune
File:Planet Nine Orbit.svg - Wikimedia Commons
Mysterious 'Niku' object in outer solar system has a weird orbit
Mysterious planet spotted in the outer reaches of our solar system - and it's orbiting the sun in the wrong direction - Mirror Online
Niku and the Odd Orbit | Space Amino
Meet Niku, the Weird Object Beyond Neptune That Nobody Can Figure Out
Niku: Mystery object with odd orbit discovered past Neptune | news.com.au — Australia's leading news site
Niku | The Universe of The Universe Wiki | Fandom
Rebellious' Object Found Orbiting Around Neptune | Nature World News
Why Is Niku Orbiting Backwards? Theories Abut The Trans-Neptunian Object Are Mostly Problematic
Our solar system might have a ninth planet, and researchers have an idea of where it came from | BGR
Mystery planet Niku orbits against the sun
Niku Presents Whole New Cosmic Mystery - Online Star Register
Retrograde Rock "Niku" Defies Orbital Trend - Sky & Telescope - Sky & Telescope
Strange orbit of new planet Niku hints at mysterious object in the outer solar system | Daily Mail Online
Mysterious planet spotted in the outer reaches of our solar system - and it's orbiting the sun in the wrong direction - Mirror Online
Beyond Neptune, a chunk of ice is orbiting the sun in the wrong direction
