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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.
More than one asteroid per year may be listed if its geocentric distance [note 1] is within a tenth of the lunar distance, or 0.10 LD. For comparison, since a satellite in a geostationary orbit has an altitude of about 36,000 km (22,000 mi), then its geocentric distance is 0.11 LD (approximately three times the width of the Earth).
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 ...
flyby 11,000 km success gravity assist en route to Mars [8] Nozomi (third pass) ISAS: 19 June 2003 flyby 1000 km success gravity assist en route to Mars [8] Hayabusa: ISAS: 19 May 2004 flyby 20,000 km success en route to Itokawa [11] Rosetta (first pass) ESA: 4 March 2005 flyby 1950 km success gravity assist en route to asteroid and comet ...
This information will help the mission team prepare for the spacecraft’s future asteroid flybys, including a close encounter with another main belt asteroid called Donaldjohanson in 2025.
Imagery collected by Voyager 2 of Ganymede during its flyby of the Jovian system Galileo spacecraft encounters asteroid 243 Ida. A flyby (/ ˈ f l aɪ b aɪ /) is a spaceflight operation in which a spacecraft passes in proximity to another body, usually a target of its space exploration mission and/or a source of a gravity assist (also called swing-by) to impel it towards another target. [1]
Incidental flyby — 134340 Pluto and its five moons. Flyby Successful 486958 Arrokoth: Successful Closest approach of APL at 101,867 kilometres (63,297 mi) at 04:05 UTC on 13 June 2006. First probe to flyby Pluto, on 14 July 2015. Flyby of Arrokoth occurred on 1 January 2019. 9 Discovery 9 Dawn: 27 September 2007: Delta II 7925H: NASA: 4 Vesta ...