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The asteroid had a close approach to the Earth on 29 May 2012, approaching to only ~8950 miles (~14,440 km) above the planet's surface. This means 2012 KT 42 came inside the Clarke Belt of geosynchronous satellites. In May 2012, the estimated 5- to 10-metre-wide asteroid ranked #6 on the top 20 list of closest-approaches to Earth.
On 24 November 2011 and 4 October 2012, the space probe's thrusters were fired briefly for two trajectory correction maneuvers that targeted Deep Impact for an encounter with 2002 GT in 2020, possibly within a distance of no more than 400 kilometers. However, funding for the flyby mission was not guaranteed. [4]
2012 EG5 is an Apollo near-Earth asteroid with an estimated diameter of 47 meters (154 ft). [3] The asteroid was discovered on March 13, 2012. The asteroid came within 0.001539 AU (230,200 km; 143,100 mi) of Earth during its closest approach on April 1, 2012, [2] just over half the distance between Earth and the Moon's orbit.
An asteroid that’s somewhere between 30 and 100 feet long is hurtling through space in the direction of Earth at 30,000 miles per hour. Asteroid 2012 TC4 is going to fly by Earth on October 12 ...
10 April 2020 flyby 12,700 km success Gravity assist en route to Venus and Mercury BEPICLMBO: Solar Orbiter: ESA: 26 November 2021 flyby 455 km success Gravity assist en route to inclined heliocentric orbit 2020-010A: Lucy: NASA: 16 October 2022 flyby 360 km success main-belt asteroid flyby en route to Jupiter Trojans: 2021-093A: OSIRIS-APEX: NASA
2012 BX 34 is a small Aten asteroid that made one of the closest recorded asteroid close approaches of Earth on 27 January 2012. It passed within 0.0004371 AU (65,390 km ; 40,630 mi ) of Earth during its closest approach at 15:25 GMT.
During the 2012 close approach, the asteroid only had an observation arc of 7 days, between 4 and 11 October 2012, so the exact distance of the 2017 closest approach was poorly constrained. With the 7 day observation arc, the asteroid had a 3-sigma chance of passing between 0.00008818 and 0.002896 AU (0.034 to 1.127 LD , 13,200–433,200 km ...
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