• Asteroid 2018 CC to flyby Earth at 0.5 LD on February 6

    A newly discovered asteroid designated 2018 CC will flyby Earth at a distance of 0.50 LD / 0.00128 AU (~191 485 km / 118 983 miles) on February 6, 2018. This is the 9th known asteroid to flyby Earth within 1 lunar distance since the start of the year, 8th since…

  • Asteroid 2018 BD missed Earth by just 0.10 LD on January 18

    A newly discovered asteroid designated 2018 BD flew past Earth at a very close distance of 0.10 LD / 0.00026 AU (~38 895 km / 24 168 miles) at 15:43 UTC on January 18, 2018, some 7 hours after it was discovered. This is the fourth closest approach to our planet…

  • Asteroid 2018 BC to flyby Earth at 0.73 LD on January 19

    A newly discovered asteroid designated 2018 BC will flyby Earth at a distance of 0.73 LD / 0.00189 AU (~ 282 739 km / 175 686 miles) on January 19, 2018. This is the second known asteroid to flyby Earth within 1 lunar distance since January 1, 2018, and 55th since…

  • Asteroid 2012 TC4 to safely flyby Earth on October 12, 2017

    A small Apollo-class asteroid named 2012 TC4 will safely flyby Earth at 06:07 UTC ( ± 02:51) on October 12, 2012. This asteroid has not ben seen since it was discovered in October 2012, when it flew past Earth at about 0.25 LD (¼ the distance from…

  • Watch asteroid 2012 DA14 flyby live

    Asteroid 2012 DA14 was discovered at the La Sagra Sky Survey, Spain on February 23, 2012, when it was about 2.7 million miles (4.3 million kilometers) away. Its flyby is the closest ever predicted Earth approach for an object this large (first estimates 45 m) which…

  • The Flyby Clock: Visualizing a century of asteroid encounters

    Due to the interest sparked by the upcoming flyby of 2012 DA14, Alex Parker of Minor Planet Center thought it would be helpful to place its flyby in a historic perspective. He put together a visualization of all the flybys of known asteroids in the 21st century in…