The 4/100ths of a Second UFO: An Instantaneous Sighting Over Tokyo

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In the sprawling metropolis of Tokyo, a city constantly watched by millions of eyes and cameras, it’s hard to keep a secret. Yet, in 2015, a specialized robotic observatory captured something so fast, so strange, and so fleeting that it remains one of Japan’s most compelling modern UFO cases. This is the story of an object that appeared out of thin air and vanished in the blink of an eye—or more precisely, in just four-hundredths of a second.

A Startling Anomaly Over the Skyscrapers

The data was captured by SID-1 (Space Intrusion Detection System-1), an automated observation robot operated by the Space Phenomena Observatory Center (SPOC) in Japan. On November 5, 2015, at 12:03 PM on a clear, sunny day, its “sleepless lens” recorded an astonishing moment.

Against the blue sky, high above Tokyo’s forest of skyscrapers, an unidentified flying object materialized from empty space. The object was stunningly clear: a perfectly circular, non-reflective black base with a glowing white, pyramid-shaped dome on top. Extending from its sides were two antenna-like arms. It was a craft of bizarre and perfect symmetry.

Gone in a Flash: The Blink-of-an-Eye Timeline

What makes this sighting extraordinary is the incredible speed of its appearance and disappearance, all documented frame by frame.

12:03:51.16: The frame just before the event. The sky above the high-rise buildings is completely empty. There are no birds, no helicopters, no planes. Nothing.

12:03:51.20: The moment of appearance. Just 0.04 seconds later, the UFO is suddenly there, fully formed, hanging in the space that was empty a fraction of a second before.

12:03:51.23: The moment of disappearance. A mere 0.03 seconds after it appeared, the object is gone. The sky is empty once again, leaving only the clouds and buildings behind.

The entire event, from appearance to vanishing, lasted less than a tenth of a second. Did the object accelerate to an impossible speed in an instant? Or did it, as some researchers speculate, simply teleport into and out of our observable space?

Ruling Out the Conventional

An analysis of the magnified object confirms its clean, symmetrical design. The black base is unnervingly dark, reflecting no light, while the upper pyramid structure appears to be self-luminous or reflecting the sun at a sharp angle.

The shape bears a superficial resemblance to the F-117 Nighthawk stealth aircraft, but that theory is quickly dismissed. The F-117 has an angular, not circular, base and, more importantly, was officially retired in 2008—seven years before this sighting. No known conventional aircraft matches this description or possesses the ability to materialize and dematerialize in such a manner.

This leads to a stark conclusion: the object captured by SID-1 was a genuine, bona fide UFO. As presented by Hiroshi Kitajima, the director of SPOC, this case is not an ambiguous light in the sky but a clear, daylight sighting of a structured craft behaving in ways that defy our understanding of physics. In a field filled with blurry photos and questionable accounts, the Tokyo “flash UFO” stands out as a chillingly clear and deeply mysterious piece of evidence.

文＝Hiroshi Kitajima

Hiroshi Kitajimaの記事一覧はこちら

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