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99942 Apophis (provisional designation 2004 MN4) 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.
2027 August 7. Asteroid (137108) 1999 AN 10 will pass within 388,960 km (0.0026 AU) of Earth. 2028 January 12. Partial lunar eclipse. 2028 January 26. Small annular solar eclipse. 2028 July 22. A total solar eclipse will be visible across Australia, including Sydney, and New Zealand. [2] Sydney will not see another total solar eclipse until ...
Ramses (spacecraft) 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. It will conduct multiple measurements of the asteroid's properties, to ...
Apophis to make 2029 flyby to Earth. Apophis is projected to pass within 20,000 miles of our planet’s surface on April 13, 2029. For the superstitious lot, yes, that's a Friday, no less. On that ...
September 13, 2024 at 10:58 AM. In a bit of ominous news befitting a Friday the 13th: It turns out that the asteroid Apophis could have a very small chance of colliding into Earth in five years ...
OSIRIS-REx in Launch Configuration. OSIRIS-REx[ a ] was a NASA asteroid-study and sample-return mission that visited and collected samples from 101955 Bennu, a carbonaceous near-Earth asteroid. [ 14 ] The material, returned in September 2023, is expected to enable scientists to learn more about the formation and evolution of the Solar System ...
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.
Roy A. Tucker (1951 – 2021) was an American astronomer best known for the co-discovery of near-Earth asteroid 99942 Apophis (formerly known as 2004 MN4) along with David J. Tholen and Fabrizio Bernardi of the University of Hawaii. [2] He was a prolific discoverer of minor planets, credited by the Minor Planet Center with the discovery of 702 ...