2009 DD45
2009 DD45 adalah asteroid Apollo kecil[1] yang melewati Bumi pada ketinggian 63.500 km pada tanggal 2 Maret 2009 pada pukul 13:44 UTC. Asteroid ini ditemukan pada tanggal 28 Februari 2009, hanya dua hari sebelum posisi terdekatnya dengan Bumi.[2][3] Asteroid ini diperkirakan memiliki diameter sekitar 21 hingga 47 meter.[1] Objek ini memiliki ukuran yang sama dengan objek yang menyebabkan Peristiwa Tunguska tahun 1908.[4]
Referensi
- ^ a b "JPL Small-Body Database Browser (2009 DD45)". Jet Propulsion Laboratory. 2009-03-02. Diakses tanggal 2009-03-02.
- ^ Kelly Beatty (2009 March 01). "Space Rock 2009 DD45 Buzzes Earth". Sky & Telescope. Diarsipkan dari asli tanggal 2009-03-04. Diakses tanggal 2009-03-03. ;
- ^ Victoria Jaggard (2009 March 02). "Surprise Asteroid Just Buzzed Earth". National Geographic Society.
- ^ "Space rock makes close approach". BBC News Online. 2009-03-03. Diakses tanggal 2009-03-03.
Pranala luar
- JPL Small-Body Database Browser di 2009 DD45
- Universe Today article on 2009 DD45
- 100 meter asteroid will pass Earth Monday! Diarsipkan 2009-03-03 di Wayback Machine., Phil Plait's Bad Astronomy blog
- NEO Asteroid 2009 DD45 from Canberra di YouTube
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