Author Archives: Luca Buzzi

2014 AA has impacted Earth on Jan. 02

UPDATE JAN. 04: http://neo.jpl.nasa.gov/news/news182a.html Peter Brown (University of Western Ontario) and Petrus Jenniskens (SETI Institute) searched the data from low frequency infrasound observation sites of the Comprehensive Nuclear-Test-Ban Treaty Organization. They found weak signals from stations in Bolivia, Brazil and … Continue reading

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Discovery of cometary nature of 2013 EW90

2013 EW90 was discovered by the Tenagra survey (located near Nogales, AZ, U.S.A.) on images taken by M. Schwartz and P. R. Holvorcem with a 0.41-m f/3.75 reflector on 2013, Mar. 3. Its Tj parameter is 2.75, so it was … Continue reading

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Discovery of cometary nature of 2013 EV9

2013 EV9 was discovered by the Spacewatch survey on images taken by T. H. Bressi with the Spacewatch 0.90-m f/3 reflector (+ CCD mosaic) on 2013, Mar. 2. Its Tj parameter is 2.77, so it was a good T3 candidate. … Continue reading

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Discovery of cometary nature of 2012 OP

2012 OP was originally discovered as a minor planet by R.H. McNaught using the Uppsala 0.5-m Schmidt from Siding Spring Survey on 2012 Jul. 16.62, when it was at mag. 20V. It was also a T3 candidate because of is … Continue reading

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2012 DA14 close approach

2012 DA14 was discovered on 2012, Feb. 23 by La Sagra Sky Survey in Spain using a 0.45-m f/2.8 telescope, and the discovery was issued on MPEC 2012-D51. Soon it was clear that it would have passed very close to … Continue reading

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Parallax experiment on (Y5705) 2006 VB14

For a work with a student here at Schiaparelli Observatory I decided to determine the distance of an asteroid by parallax, a good educational experiment. Even with NEOs, it will be good to have the longest possible baseline, so I’ve … Continue reading

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New comet C/2012 X1 (LINEAR)

C/2012 X1 (LINEAR) was discovered by the LINEAR survey using a 1.0-m f/2.15 reflector from Socorro, NM, USA, on Dec. 08.38. Their automatic routines do not require human intervention, so it was reported as asteroidal and posted in the NEO … Continue reading

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