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162173 Ryugu (provisional designation 1999 JU 3) is a near-Earth object and a potentially hazardous asteroid of the Apollo group. It measures approximately 900 metres (3,000 ft) in diameter and is a dark object of the rare spectral type Cb, [ 11 ] with qualities of both a C-type asteroid and a B-type asteroid .
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.
Juno ( minor-planet designation: 3 Juno) is a large asteroid in the asteroid belt. Juno was the third asteroid discovered, in 1804, by German astronomer Karl Harding. [ 15 ] It is one of the twenty largest asteroids and one of the two largest stony ( S-type) asteroids, along with 15 Eunomia. It is estimated to contain 1% of the total mass of ...
Angular diameter. 0.29″ to 0.085″. 15 Eunomia is a very large asteroid in the middle asteroid belt. It is the largest of the stony ( S-type) asteroids, with 3 Juno as a close second. It is quite a massive asteroid, in 6th to 8th place (to within measurement uncertainties). It is the largest Eunomian asteroid, and is estimated to contain 1% ...
Nina Massey, PA Science Correspondent. January 26, 2023 at 7:21 AM. An asteroid the size of a small truck will pass by Earth tonight, making one of the closest approaches to the planet ever ...
2023 NT1 is a near-Earth asteroid, approximately 30 meters in diameter, [1] that passed within 1/4 lunar distances on July 13, 2023. It was not discovered until 2 days after closest approach due to coming from the daylight direction. [2] [3]
The small near-Earth asteroids 2008 TC 3, 2014 AA, 2018 LA, 2019 MO, 2022 EB 5, 2022 WJ 1, 2023 CX 1 and 2024 BX 1 are the only eight asteroids discovered before impacting into Earth (see asteroid impact prediction ). Scientists estimate that several dozen asteroids in the 6–12 m (20–39 ft) size range fly by Earth at a distance closer than ...
An asteroid will whiz harmlessly past Earth this weekend. Called 2024 MK, the space rock will make its closest approach to Earth Saturday morning, passing by at about three-quarters the distance ...