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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, 13 April 2029.
2036 April A METI message Cosmic Call 2 sent from the 70-metre Eupatoria Planetary Radar on July 6, 2003, arrives at its destination, HIP 4872. 2036 March 27 The 99942 Apophis approach to Earth on March 27, 2036, will be no closer than 0.30889 AU (46.209 million km; 28.713 million mi; 120.21 LD). [16] 2038 January 5
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.
The asteroid was named 99942 Apophis. Vadim Sadovski/Shutterstock. According to NASA, an asteroid, 99942 Apophis., will come within 20,000 miles of the Earth on April 13, 2029.
It gained some public interest when it became clear, in January 2005, that the asteroid 99942 Apophis would miss the Earth in 2029 but may go through one or another keyhole leading to impacts in 2036 or 2037. Further research has since been done, however, which revealed the probability of Apophis passing through the keyhole was extremely low. [1]
During the first decade of the 2000s, there were serious concerns the 325 metres (1,066 ft) wide asteroid 99942 Apophis posed a risk of impacting Earth in 2036. Preliminary, incomplete data by astronomers using ground-based sky surveys resulted in the calculation of a Level 4 risk on the Torino Scale impact hazard chart .
This animation shows the distance between the Apophis asteroid and Earth at the time of the asteroid's closest approach. The blue dots are the many man-made satellites that orbit our planet, and the pink represents the International Space Station.
The point is that Venus will come closer to Earth in 2036 than Apophis will. The orbit of Apophis is that well known. The uncertainty region for Apophis on 27 March 2036 is only ±130,000 km and Apophis will be 0.309 AU (46.2 million km; 120 LD) from Earth. Venus will be 0.288 AU from Earth in May 2036.