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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 ...
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).
2021 UA 1 is a small (~2 meter) near-Earth object that passed about 3047 km from the surface of Earth while passing over Antarctica on 25 October 2021 around 03:07 UT. [5] [a] Given the small size of the asteroid it only reached the brightness of Pluto at around apparent magnitude 14. [5]
The Caribbean Astronomy Society (SAC) said the "impressive" asteroid was visible across the entire Caribbean region at 7:05 p.m. local time Saturday. After hitting Earth's atmosphere, the space ...
Another gigantic asteroid will come within Earth's neighborhood on Wednesday, and Earthlings can watch it live online, knowing it's at a safe distance.
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2021 SG is a near-Earth asteroid, with an estimated diameter of 42 to 94 meters, that passed about half a lunar distance from Earth on 16 September 2021. It approached from the direction of the Sun, so it was invisible until a day later. [ 6 ]
Spectacular footage captures the moment an asteroid hurtled through the night sky over southern England early Monday morning. The meteoroid - designated Sar2667 - can be seen flashing brightly as ...