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Asteroid impact prediction is the prediction of the dates and times of asteroids impacting Earth, along with the locations and severities of the impacts. The process of impact prediction follows three major steps: Discovery of an asteroid and initial assessment of its orbit which is generally based on a short observation arc of less than 2 weeks.
99942 Apophis (provisional designation 2004 MN4) is a near-Earth asteroid and a potentially hazardous object with a diameter of 370 metres (1,210 feet) [ 3 ] that caused a brief period of concern in December 2004 when initial observations indicated a probability up to 2.7% that it would hit Earth on April 13, 2029.
The largest asteroid to pass within 1 LD of Earth in 2022 was 2022 TM2with an estimated diameter of around 39 meters for an absolute magnitudeof 25.2. The fastest asteroid to pass within 1 LD of Earth in 2022 was 2022 YW6that passed Earth with a velocity with respect to Earth of 29.8 km/s (67,000 mph). [2][note 1] Two asteroids, 2022 EB5and ...
An asteroid will just miss us in 2029. Scientists are making the most of a rare opportunity. Corinne Purtill. February 14, 2023 at 6:00 AM. Jet Propulsion Laboratory scientists Lance Benner, Paul ...
In a bit of ominous news befitting a Friday the 13th: It turns out that the asteroid Apophis could have a very small chance of colliding into Earth in five years, when it is expected to make a ...
A space rock the size of a cruise liner will closely pass Earth in April 2029. While the asteroid Apophis won’t hit Earth, two spacecraft may tag along.
The Torino scale is a method for categorizing the impact hazard associated with near-Earth objects (NEOs) such as asteroids and comets.It is intended as a communication tool for astronomers and the public to assess the seriousness of collision predictions, by combining probability statistics and known kinetic damage potentials into a single threat value.
Asteroid 2008 OS7 is the largest of the five asteroids that are expected to come within range of our planet. Three are around the size of planes and another is about the size of a house.