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Close Approach of Asteroid 2012 TV

7 Oct 2012, 13:40 UTC
Close Approach of Asteroid 2012 TV
(200 words excerpt, click title or image to see full post)

M.P.E.C. 2012-T16, issued on 2012 Oct. 6, reports the discovery of the asteroid 2012 TV (discovery magnitude 17.6) by Tenagra II Observatory on images taken on October 05.3 with a 0.41-m f/3.75 astrograph + CCD. 2012 TV has an estimated size of 24 m - 55 m (H=25.1) and it will have a close approach with Earth at about 0.66 LD (Lunar Distances = ~384,000 kilometers) or 0.0017 AU (1 AU = ~150 million kilometers) at 1504 UT on 7 Oct. 2012. This asteroid will reach the magnitude 13.5 on October 07 around 13-14UT.We performed some follow-up measurements of this object, from the H06 ITelescope network (near Mayhill, NM) on 2012, Oct. 06.3, through a 0.25-m f/3.4 reflector + CCD. Below you can see our image, stack of 40x15-second exposures, taken with the asteroid at magnitude ~15.6 and moving at 14.30"/min. At the moment of the close approach on October 07, 2012 TV will move at ~ 815"/min. Click on the image below to see a bigger version.Below you can see a short animation showing the movement of 2012 TV (each frame is a 15-second exposure). Click on the thumbnail for a bigger version: by Ernesto Guido, Giovanni Sostero, Nick ...

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