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The object was then provisionally designated 2021 PH 27 by the Minor Planet Center and announced on 21 August 2021. [1] Even in April 2021, the asteroid was never more than 45 degrees from the Sun. [11] Precovery observations of 2021 PH 27 were found in archival Dark Energy Survey images from 16 July 2017. These observations were published by ...
Serpent Mound crater, also known as the Serpent Mound Disturbance, [1] is an eroded meteorite impact crater in Ohio, United States. It lies largely in Adams County , with the northern part mostly in Highland County , except for a small northeast part in Pike County .
Asteroid designation Date & time (UTC) of discovery Discoverer Estimated size Abs. mag. Date & time (UTC) of impact Warning time Location of impact Airburst altitude Energy Method of impact detection Reference 2008 TC 3: 2008-10-06 06:39 Mt. Lemmon Survey: 3.8–4.4 m (12–14 ft) 30.72: 2008-10-07 02:45 20:05: 20.9 N, 31.8 E Nubian Desert in ...
NASA has identified multiple asteroids expected to pass near Earth in the next two days, including one that is the size of a football stadium.
The space rock was spotted late last year and reported on Dec. 27, ... While YR4's impact odds have unseated Apophis, the larger asteroid still briefly hit a higher rating of 4 on the Torino Scale.
A new simulation looked at what would happen if the Earth collided with an asteroid with a diameter of around 500 metres, roughly the same as Bennu, a real rock that has been studied in great ...
The head of planetary defense at the European Space Agency discusses 2024 YR4, an asteroid with a small chance of striking Earth eight years from now. Key facts about asteroid that could hit Earth ...
The largest asteroid to pass within 1 LD of Earth in 2021 was 2021 SG with an estimated diameter of around 68 meters and an absolute magnitude of 24.0. The fastest asteroid to pass within 1 LD of Earth in 2021 was 2021 UA 7 that passed Earth with a velocity with respect to Earth of 27.7 km/s (62,000 mph). [2] [note 2]