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S-type (stony-type) asteroid
- Classified as an S-type (stony-type) asteroid, according to NASA, Apophis also contains a mix of metals, including nickel and iron.
www.space.com/apophisApophis: The infamous asteroid we thought might hit us | Space
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Apophis is classified as an S-type, or stony-type asteroid made up of silicate (or rocky) materials and a mixture of metallic nickel and iron. Radar images suggest it is elongated and possibly has two lobes, making it look something like a peanut.
99942 Apophis (provisional designation 2004 MN4) is a near-Earth asteroid and a potentially hazardous object, 450 by 170 metres in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability 2.7% that it would hit Earth on Friday, 13 April, 2029.
Dec 14, 2022 · Apophis is an asteroid that became notorious in 2004 as a potential threat to Earth. Also known as asteroid 99942, the near-Earth object is estimated to be about 1,100 feet (340 meters)...
May 10, 2024 · In just under half a decade, a 1,000-foot-wide (305-meter-wide) asteroid named after the Egyptian god of chaos and destruction, Apophis, will pass within 30,000 miles (48,300 kilometers) of...
Mar 26, 2021 · After its discovery in 2004, asteroid 99942 Apophis had been identified as one of the most hazardous asteroids that could impact Earth. But that impact assessment changed as astronomers tracked Apophis and its orbit became better determined.
1 day ago · The European Space Agency has given the go-ahead for initial work on a mission to visit an asteroid called (99942) Apophis. If approved at a key meeting next year, the robotic spacecraft, known as ...
Nasa had deemed Apophis to be one of the most dangerous asteroids to Earth after its discovery in 2004. Close calls in 2029 and 2036 were predicted and later ruled out. A slight threat still...
