An Asteroid Spins Faster Than a Lab Centrifuge

Published on January 13, 2026 | Translated from Spanish
Artistic illustration of an elongated rocky asteroid spinning at high speed, with material detaching from its surface due to centrifugal force, against a starry background.

An Asteroid Spins Faster Than a Laboratory Centrifuge

Astronomers detect an extraordinary phenomenon in the asteroid 2025 MN45. This rocky body completes a rotation on its axis in just 2.6 minutes, surpassing the speed of a high-power centrifuge. This discovery places it among the fastest-rotating objects in our cosmic neighborhood. 🪐

A Giant Under Extreme Forces

This is not a small object. With an estimated diameter of 180 meters, its size combined with the rotation speed produces colossal centrifugal forces. Scientists are actively analyzing whether this violent rotation can fragment the asteroid or eject material from its surface, a key process for understanding how these bodies evolve and lose mass.

Key Characteristics of 2025 MN45:
  • Rotation Period: 2.6 minutes, one of the shortest ever recorded.
  • Estimated Diameter: Approximately 180 meters, making it considerable.
  • Studied Phenomenon: The structural limits of asteroids under rotational stress.
It seems this asteroid decided that if it can't collide with Earth, it will at least spin fast enough to dizzy anyone trying to observe it.

Orbital Monitoring and Risk to Earth

Although its size and ability to approach our planet classify it as potentially hazardous, current calculations of its orbit show no risk of impact in the foreseeable future. Space surveillance systems track it constantly to refine long-term predictions and protect the planet. 🌍

Aspects of Its Monitoring:
  • Classification: Potentially Hazardous Asteroid (PHA) due to its size and proximity.
  • Current Status: No collision trajectories identified in the short or medium term.
  • Objective: Refine orbital models through continuous observation.

A Natural Laboratory in Space

The study of the asteroid 2025 MN45 offers a unique opportunity. It allows researchers to test theories on the cohesion and physical limits of rocky bodies under extreme conditions. This knowledge is vital not only for planetary science but also for assessing and preparing planetary defense strategies against similar objects. 🔭