367943 Duende - Wikipedia
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 ...
Asteroid 2012 DA14 in record-breaking Earth pass - BBC News
2013年2月15日 · An asteroid as large as an Olympic swimming pool has raced past the Earth at a distance of just 27,700km (17,200mi) - the closest ever predicted for an object of that size.
2012 DA14 - 维基百科，自由的百科全书
2012 DA14 是一颗 近地小行星，直徑約44公尺，質量約12萬公噸 [7]。 此近地小行星经过前恰逢俄罗斯发生陨石雨，但多位科学家均表示这与 2013年俄罗斯乌拉尔陨石雨 事件并无关联，它们的轨道相差甚远 [8][9]。 發現. 2012 DA14於2012年2月13日由 西班牙 馬略卡天文台 在 拉薩格拉 的 分台 （編號 J75）發現 [1]。 該小行星已在2013年2月15日以0.07個 月球距離 （27000公里）的位置经过地球附近 [10]。 曾经的風險评估. 2012 DA14於2013年2月15日经过地球附近示意圖. 該 …
APOD: 2013 February 17 - Asteroid 2012 DA14 Passes the Earth
Were 2012 DA14 to have hit the Earth, it could have devastated a city-sized landscape, or stuck an ocean and raised dangerous tsunamis. Although finding and tracking potentially dangerous asteroids is a primary concern of modern astronomy, these small bodies or ice and rock are typically so dim that only a few percent of them have been found ...
Asteroid 2012 DA14: 5 Surprising Facts | Space
2013年2月14日 · The historic flyby of asteroid 2012 DA14 on Friday (Feb. 15) marks the first time scientists have had the chance to observe a close grazing of Earth by such a big space rock. Here are five ...
Asteroid 2012 DA14 Flyby: What You Need to Know for Friday's …
2013年2月12日 · This Friday (Feb. 15), the asteroid 2012 DA14 will fly by Earth in an unprecedented close approach. The event marks the closest-ever known approach by such a large near-Earth asteroid, and...
Asteroid 2012 DA14 to Safely Pass Earth - NASA Jet Propulsion ...
Asteroid 2012 DA 14 is an object about half the size of a football field in diameter that is going to pass very close to the Earth on Feb. 15th Coming from the south to the north, to actually gets to within 17,200 miles of the Earth’s surface, and will pass interior to the geosynchronous satellites and the GPS satellites, but there’s really ...
NASA SVS | Asteroid Crossing
On February 15, 2013, an asteroid called 2012 DA14 raced through space a mere 17,200 miles from Earth's surface. Although the asteroid had no chance of hitting our planet, its approach was one of the closest ever recorded for a near-Earth object.
Asteroid 2012 DA14 Flight Path Animation - NASA Jet …
2013年2月4日 · An animation depicting the trajectory of asteroid 2012 DA14 as it travels within the Earth-moon system on Feb. 15, 2013.
Small Asteroid to Whiz Past Earth Safely - NASA Jet Propulsion ...
A small asteroid named 2012 DA14 will safely fly past Earth's outer ring of satellites on February 15.
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