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Satellites in geostationary orbit. From the list in the first section, these are the closest known asteroids per year that approach Earth within one lunar distance.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.
The largest asteroid to pass within 1 LD of Earth in 2020 was 2020 LD with an estimated diameter of around 145 meters and an absolute magnitude of 22.4. The fastest asteroid to pass within 1 LD of Earth in 2020 was 2020 FD 2 that passed Earth with a velocity with respect to Earth of 33.4 km/s (75,000 mph). [2] [note 3]
An example list of near-Earth asteroids that passed more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2008. 2007 TU 24 (~250 meters in diameter) passed 1.44 LD (554,000 km) from Earth on January 29, 2008. 2008 CE 22 (~18 meters in diameter) passed between 0.9997 and 1.0023 LD (384,300 to 385,300 km) from Earth on February 6, 2008.
On Sunday, another asteroid about half the size of 2008 OS7 will pass within 4.5 million miles of Earth. The closest recorded asteroid flyby happened in August of 2020, when a space rock roughly ...
[3] [a] The asteroid passed closest approach to Earth on 5 June 2020 at a distance of 0.002 AU (300 thousand km; 0.78 LD). [2] The close approach distance is now known with an accuracy of roughly ± 1000 km. This is the largest asteroid to pass closer than the Moon this year and possibly the largest since (308635) 2005 YU 55 in November 2011.
June 5, 2020 at 8:20 AM. ... NASA’s Center for Earth Object Studies website monitors close approaches to Earth. Asteroid 2002 NN4 is just one of several objects due to pass near us this week ...
Asteroid designation Date of impact Location of impact Method of detection Estimated size Reference 2008 TC 3: October 7, 2008: Nubian Desert in Sudan: visual, weather satellite, meteorite recovery: 4 m (13 ft) [1] 2014 AA: January 2, 2014: Central Atlantic Ocean: infrasound: 2–4 m (6.6–13.1 ft) [2] 2018 LA: June 2, 2018: Botswana/South ...
The household-appliance-sized asteroid passed within the orbit of satellites in the geostationary ring at 35,900 kilometres (22,300 mi) above Earth's equator. [5] At the time, it was the closest approach in the year 2020. Since then, 2020 JJ made a closer approach on 4 May 2020. [6]