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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 ...
367943 Duende (provisional designation 2012 DA 14) is a micro-asteroid and a near-Earth object of the Aten and Atira group, approximately 30 meters (98 ft) in diameter.It was discovered by astronomers of the Astronomical Observatory of Mallorca at its robotic La Sagra Observatory in 2012, and named for the duende, a goblin-like creature from Iberian and Filipino mythology and folklore. [1]
It was also observed with radar during the December 2012 flyby and observed more distant flyby with radar in December 2016. [29] After 2016, Toutatis will not pass close to Earth again until 2069. [14] Resolution of the radar images is as fine as 3.75 m per pixel, [30] providing data to model Toutatis's shape and spin state.
However, additional images taken by the spacecraft just after the flyby’s closest approach have now revealed that the smaller asteroid is actually a contact binary — two smaller space rocks ...
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 ...
Trajectory of 2004 FH in the Earth–Moon system Goldstone radar images of asteroid 2007 PA 8 's Earth flyby in 2012. This is a list of examples where an asteroid or meteoroid travels close to the Earth. Some are regarded as potentially hazardous objects if they are estimated to be large enough to cause regional devastation.
Images of the asteroid Apophis, captured in 2012, allowed scientists to determine that it will not strike Earth during a close flyby in 2036. (NASA / JPL-Caltech)
A list of known near-Earth asteroid close approaches less than 1 lunar distance (384,400 km or 0.00257 AU) from Earth in 2012. [note 1] Rows highlighted red indicate objects which were not discovered until after closest approach