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View Full Version : Big Asteroid 2004 BL86 Buzzes Earth on January 26: How to See it in Your Telescope



Fraser
2015-Jan-15, 04:20 PM
A lot of asteroids pass near Earth every year. Many are the size of a house, make close flybys and zoom out of the headlines. 2004 BL86 is a bit different. On Monday evening January 26th, it will become the largest asteroid to pass closest to Earth until 2027 when 1999 AN10*will approach within one […]

More... (http://www.universetoday.com/118187/big-asteroid-2004-bl86-buzzes-earth-on-january-26-how-to-see-it-in-your-telescope/)

Spacedude
2015-Jan-15, 10:25 PM
....it will become the largest asteroid to pass closest to Earth until 2027 when 1999 AN10 will approach within one lunar distance.

Should that read as "the largest known asteroid"?
Last I heard was that about 90% of 1/2+ mile diameter earth crossing asteroids have been mapped. Perhaps that's an outdated estimate?

LoneTree1941
2015-Jan-16, 07:42 PM
It should be interesting. Weather permitting i'll haull out my scope and watch it. Hoping for occultations as it passes through the beehive cluster. If alignment is right it will pass very very close to 5th magnitude HR3394