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Close Approach of Asteroid 2013 CL22

6 Feb 2013, 20:37 UTC
Close Approach of Asteroid 2013 CL22
(200 words excerpt, click title or image to see full post)

M.P.E.C. 2013-C24, issued on 2013 Feb. 6, reports the discovery of the asteroid 2013 CL22 (discovery magnitude 16.7) by J75 OAM Observatory, La Sagra on images taken on February 05.06 with a 0.45-m f/2.8 reflector + CCD. 2013 CL22 has an estimated size of 30 m - 68 m (based on the object's absolute magnitude H=24.7) and it had a close approach with Earth at about 1.2 LD (Lunar Distances = ~384,000 kilometers) or 0.0031 AU (1 AU = ~150 million kilometers) at 0743 UT on 2013 Feb. 02. This asteroid reached the peak magnitude ~13.1 on February 02 around 1600 UT.We performed some follow-up measurements of this object, from the H06 ITelescope network (near Mayhill, NM) on 2013, Feb. 05.4, through a 0.51-m f/6.9 reflector + CCD. Below you can see our image, stack of 15x15-second exposure, taken with the asteroid at magnitude ~16.9 and moving at ~6.07 "/min. At the moment of the close approach 2013 CL22 was moving at ~ 259"/min. Click on the image below to see a bigger version. Below you can see a short animation showing the movement of 2013 CL22 (three consecutive 15x15-second exposure). Click here or on the thumbnail for a bigger ...

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