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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.
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 chance of an unknown asteroid hitting Apophis off its current course at all was less than one-in-a-million. And the odds that such an impact would send it hurtling toward Earth in 2029 was ...
Suffice to say those were heady days in the asteroid-tracking community. But as of March 2021, NASA has confirmed that there is absolutely zero chance the space rock known as 99942 Apophis will ...
The soonest virtual impactor of an asteroid larger than 50 meters in diameter with a better than 1:1-million chance of impact is 2022 PX 1 on 11 August 2040 with a 1: 330 000 chance of impact. [8] It is estimated to be 120-meters in diameter, has a short observation arc of 3.1-days, and is expected to be 1.78 AU (266 million km ) from Earth on ...
The official ESA RAMSES patch. 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.
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 will make an extremely close pass to the Earth on 13 April 2029, although there is no chance for an impact during this or any subsequent flybys in the near future. Observations of Apophis will commence on 8 April 2029, and a few days later, on 21 April, OSIRIS-APEX is planned to rendezvous with the asteroid. [86]