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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.
ˈ f ɒ f /, Coptic: Ⲁⲫⲱⲫ, romanized: Aphōph) [1] or Apophis (/ ə. ˈ p ɒ. f ɪ s /; Ancient Greek: Ἄποφις, romanized: Ápophis), is the ancient Egyptian deity who embodied darkness and disorder, and was thus the opponent of light and Maat (order/truth). Ra was the bringer of light and hence the biggest opposer of Apep.
Apep or Apophis, an Ancient Egyptian mythological deity who was the primordial force [or embodiment] of chaos. Apepi (pharaoh) or Apophis (reigned c. 1580–1550 BC), a 15th-Dynasty Hyksos pharaoh Other uses
Ramses, or Rapid Apophis Mission for Space Safety, is a proposed ESA mission to a near-Earth asteroid 99942 Apophis.If approved, it is expected to be launched in April 2028, to arrive at Apophis in February 2029, before its closest approach to Earth.
In 2020, astronomers confirmed Yarkovsky acceleration of the asteroid 99942 Apophis. The findings are relevant to asteroid impact avoidance as 99942 Apophis was thought to have a very small chance of Earth impact in 2068, and the Yarkovsky effect was a significant source of prediction uncertainty.
The last time this happened was with the discovery of asteroid Apophis in 2004. It briefly had a nearly 3% impact risk, but after further data narrowed down its future path, it proved to be no ...
Apepi (also Ipepi; Egyptian language ipp(i)), Apophis (Greek: Ἄποφις); regnal names Nebkhepeshre, Aaqenenre and Aauserre) was a Hyksos ruler of Lower Egypt during the Fifteenth Dynasty and the end of the Second Intermediate Period.
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]