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99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object, 450 metres (1,480 ft) by 170 metres (560 ft) in size, [3] that caused a brief period of concern in December 2004 when initial observations indicated a probability of 2.7% that it would hit Earth on Friday, April 13, 2029.
A menacing asteroid named Apophis is projected to have a close encounter with Earth in 2029, but scientists have long ruled it out as an impact risk. ... Though not as big or catastrophic as the ...
On December 24, 2004, 370 m (1,210 ft) asteroid 99942 Apophis (at the time yet unnamed and therefore known only by its provisional designation 2004 MN 4) was assigned a 4 on the Torino scale, the highest rating given to date, as the information available at the time translated to a 1.6% chance of Earth impact in April 2029. [91]
NASA's Psyche, launched in October 2023, is intended to study the large metallic asteroid of the same name, and is on track to arrive there in 2029. ESA's Hera, launched in October 2024, is intended study the results of the DART impact. It is expected to measure the size and morphology of the crater, and momentum transmitted by the impact, to ...
One of those is an asteroid with the name Apophis. First discovered in 2004, Asteroid 99942 Apophis measures across at 1,100 feet and is expected to make a very close brush with Earth in the next ...
Apophis is of interest because it’s an S-type, or stony, asteroid — different from other space rocks visited by NASA missions, including Bennu, which is a C-type, or carbonaceous, asteroid.
The first two objects that were detected and had their Earth-MOID calculated before Earth impact were the small asteroids 2008 TC 3 and 2014 AA. 2014 AA is listed with a MOID of 0.00000045 AU (67 km; 42 mi), [5] and is the second smallest MOID calculated for an Apollo asteroid after 2020 QY 2 with an Earth-MOID of 0.00000039 AU (58 km; 36 mi).
On the big night, Apophis will be visible with the naked eye from parts of Europe and Africa. (In Los Angeles, experienced stargazers might be able to spot it with binoculars around 3:30 a.m. on ...