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This object does not exist.
This object has been proven to not exist by further study. Please take it lightly and with a grain of salt.
Not what you're looking for? See: Planet Nine

This Article is about the planet itself, for the theory, see Nibiru cataclysm

Nibiru, or Planet X, is a hypothetical planet in the solar system. The Nibiru cataclysm is a supposed disastrous encounter between the Earth and a large planetary object (either a collision or a near-miss) that certain groups believed would take place in the early 21st century. Believers in this doomsday event usually refer to this object as Nibiru or Planet X. The idea was first put forward in 1995 by Nancy Lieder, founder of the website ZetaTalk. Lieder describes herself as a contactee with the ability to receive messages from extraterrestrials from the Zeta Reticuli star system through an implant in her brain. She states that she was chosen to warn mankind that the object would sweep through the inner Solar System in May 2003 (though that date was later postponed) causing Earth to undergo a physical pole shift that would destroy most of humanity.[1]

The prediction has subsequently spread beyond Lieder's website and has been embraced by numerous Internet doomsday groups. In the late 2000s, it became closely associated with the 2012 phenomenon. Since 2012, the Nibiru cataclysm has frequently reappeared in the popular media, usually linked to newsmaking astronomical objects such as Comet ISON or Planet Nine. Although the name "Nibiru" is derived from the works of the ancient astronaut writer Zecharia Sitchin and his interpretations of Babylonian and Sumerian mythology, he denied any connection between his work and various claims of a coming apocalypse. A prediction by self-described "Christian numerologist" David Meade that the Nibiru cataclysm would occur on 23 September 2017 received extensive media coverage.[2]

The idea that a planet-sized object will collide with or closely pass by Earth in the near future is not supported by any scientific evidence and has been rejected by astronomers and planetary scientists as pseudoscience and an Internet hoax. Such an object would have destabilised the orbits of the planets to the extent that their effects would be easily observable today. Astronomers have hypothesized many planets beyond Neptune, and though many have been disproved, there are some that remain viable candidates such as Planet Nine. All the current candidates are in orbits that keep them well beyond Neptune throughout their orbit, even when they are closest to the Sun.[3]

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Hypothetical Bodies, Hypothetical Objects, Hypothetical Regions and Hypotheses
Hypothetical planets Inner Solar System Enyo and BellonaVulcanCounter-EarthNibiruTheiaPhaetonPlanet VKrypton
Outer Solar System Fifth GiantUranus ImpactorTriton’s Binary PartnerHaumea ImpactorQuaoar ImpactorBrahmaVishnuOceanusHadesPlanet NinePlanet TenRodney's PlanetPlanet XPickering's PlanetsTrans-Plutonian planetTycheOort cloud planet
Hypothetical Moons Inner Solar System Disproven Moons of MercuryNeithPetit's moonWaltemath's moonsBagby's MoonsMoons of PallasMoon of Hebe
Outer Solar System ChironChrysalisThemisSedna IVaruna IHerschel's Moons
Hypothetical Stellar Objects NemesisCoatlicue
Hypothetical Regions Vulcanoid BeltHills CloudOort cloud
Hypotheses and Models Himalia Crash TheoryIapetus' Ring SystemNibiru cataclysmRings of the Moon