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{ "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/YYAG7XKYADMBACHZUZD6L3MMMSRVJJ5O/", "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/", "message_id": "[email protected]", "message_id_hash": "YYAG7XKYADMBACHZUZD6L3MMMSRVJJ5O", "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/YYAG7XKYADMBACHZUZD6L3MMMSRVJJ5O/", "sender": { "address": "pa3guo (a) upcmail.nl", "mailman_id": null, "emails": null }, "sender_name": "PA3GUO", "subject": "[amsat-bb] VERY close approach of CQ1 today", "date": "2011-02-04T18:23:46Z", "parent": null, "children": [], "votes": { "likes": 0, "dislikes": 0, "status": "neutral" }, "content": "http://www.portaltotheuniverse.org/blogs/posts/view/95329/\n\nThe newly discovered object, officially designated 2011 CQ1, will make a close Earth approach today February 04, 2011 around 19:40UT at ~0.03(LD)/0.00008(AU) or 11855 km.2011 CQ1 has been discovered by R. A. Kowalski few hours ago in the course of the \"Catalina Sky Survey\" with a 0.68-m Schmidt + CCD. The object was moving at roughly 6 \"/min and it was of magnitude ~19. According to its absolute magnitude H=32 this is a very small object, in the order of 4-5 meters.Just few hours after his discovery, we have been able to follow-up this object using remotely a 0.35-m f/3.8 reflector + CCD of \"Tzec Maun Observatory\" in New Mexico. At the moment of our images (on February 04.46), \"2011 CQ1\" was moving at 23\"/min and its magnitude was ~18.Here you can see our image (stacking of 20 unfiltered exposures, 10 seconds each). Click on the image for a bigger version:While this is an animation showing the object movement in the sky:According to Bill Gray (Findorb developer): \"That perigee value is solid to within a few kilometers. So no chance of an impact, but still _very_ close!!\"The orbital element published here, are very interesting:2011 CQ1Perigee 2011 Feb 4.818749 TT = ... \n\nhttp://remanzacco.blogspot.com/2011/02/2011-cq1-very-close-approach.html\nThe newly discovered object, officially designated 2011 CQ1, will make a close Earth approach today February 04, 2011 around 19:40UT at ~0.03(LD)/0.00008(AU) or 11855 km.\n\n2011 CQ1 has been discovered by R. A. Kowalski few hours ago in the course of the \"Catalina Sky Survey\" with a 0.68-m Schmidt + CCD. The object was moving at roughly 6 \"/min and it was of magnitude ~19. According to its absolute magnitude H=32 this is a very small object, in the order of 2-3 meters.\n\n\n--\nHenk, PA3GUO\n\n", "attachments": [] }