Nibiru: The Planet That Never Arrives and the Doomsday That Keeps Being Moved

What Nibiru really is

Saturday, 23 September 2017. A video by the American author David Meade, linking that date to the arrival of a mysterious “Planet X”, had by then been watched more than two million times, and NASA had to publish a rebuttal. The day went by like any other: nothing fell, nothing rose.

Nibiru is a hypothetical planet that, according to its believers, sweeps through the Solar System every 3,600 years and is about to hit Earth or pass close by. Observation gives a flat answer: there is no such planet. NASA calls the stories about it an internet hoax, and in twenty years the date of the “arrival” has been moved more than once.

Yet the word itself has a real past. “Nibiru” (nēbiru) is an Akkadian word meaning “crossing” or “ford”. In Babylonian astronomical texts it names the “star of Marduk”, and in several tablets that star is simply Jupiter.

How a river crossing became a killer planet

In 1976 the American author Zecharia Sitchin published “The 12th Planet”. He claimed the Sumerians knew of one more planet with a 3,600-year orbit, home to the Anunnaki, the “gods” of Sumerian texts, whom he declared to be aliens. Specialists in cuneiform accepted neither his translations nor his conclusions.

Sitchin did not tie Nibiru to an arrival in 2003. That date was added in the mid-1990s by the American Nancy Lieder, who called herself a contactee: she identified “Planet X” with Nibiru and promised a close encounter with Earth in May 2003. When nothing happened, the wait was moved to 21 December 2012, the end of a cycle in the Maya calendar. Then came 23 September 2017.

Why such a planet cannot be hidden

NASA’s answer is simple. If Nibiru were really heading for Earth, astronomers would have tracked it for at least ten years, and by now it would be visible to the naked eye. The sky has also been searched better than most people think: the WISE space telescope scanned the whole sky twice in infrared light in 2010–2011 and found no body the size of Saturn or larger out to 10,000 astronomical units from the Sun.

There is a third argument. A body on a 3,600-year orbit that enters the region of the planets would, after a few visits, have thrown the other planets of a 4.5-billion-year-old Solar System out of their orbits long ago.

Planet Nine and doomsday in 2027

One genuine hypothesis about a distant planet does exist, and it has nothing to do with Nibiru. In January 2016 Caltech astronomers Konstantin Batygin and Mike Brown showed that the orbits of distant icy bodies beyond Neptune look as if an unseen planet, several times heavier than Earth, were herding them. Nobody has ever seen it. As of 16 October 2026 Planet Nine remains a hypothesis, but since 30 June 2026 the Vera C. Rubin Observatory in Chile has been running a sky survey that should put it to a serious test.

As for doomsday in 2027, no scientific source names such a date. What does come on 2 August 2027 is a total solar eclipse with totality lasting up to 6 minutes 23 seconds (NASA data). It is a beautiful sky event, not a threat.

What the dossier holds

Why do we wait for the end of the world with such stubbornness, and what happens to people when the appointed day passes? There is a study that has been quoted for seventy years, and the argument around it is still going.

In the locked materials: the cuneiform line in which “Nibiru” turns out to be Jupiter; what Sitchin actually wrote and what he did not; how the 2003 date became 2012 and then 2017; where the legend that NASA has been hiding the planet since 1983 came from; a roll call of the loudest failed apocalypses from 1844 to Y2K; and the fresh news of October 2026 about a Planet Nine candidate.