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    September 2014
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    Posts Tagged ‘2012 DA14’

    Asteroide 2012 DA14: un passaggio da record

    Registrazione evento online del 15 febbraio 2013,  in occasione del passaggio dell’asteroide 2012 DA14.

    Una collaborazione tra “Ansa Scienza&Tecnica” e “Virtual Telescope Project”.


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    Asteroid 2012 DA14 very close encounter: an exceptional sequence

    Asteroid 2012 DA14

    Asteroid 2012 DA14

    Last night, asteroid 2012 DA14 did its exceptional close passage, reaching on 15 Feb. at 19:25 UT a minimum distance of about 27500 km from the surface of our planet.

    The Virtual Telescope planned a very special event since last summer and finally the day arrived. More than 150.000 viewers from 166 Countries jumped into our live page to spy this tiny rock. Unfortunately, the clouds came, too, but at least we had some clear skies soon after the minimum distance was touched. The image above is an exceptional document, showing 2012 DA14 while it was at about 36500 km from us. An exposure time of  3 seconds was used for each frame going to make this averaged image.

    For the occasion, the PlaneWave 17″ robotic unit was used, trusting its exceptional Paramount ME robotic mount. The mount was controlled by TheSkyX Pro suite and the software was perfectly tuned to track this VERY DIFFICULT target. The results shown here speak by themselves: the asteroid was perfectly tracked, despite it was moving at 0.65 degrees per minute! All this after the scope was just slewed, without any manual adjustment! Amazing.

    The movie below gives even better the feeling of the event. 17 images, each with 3 sec of exposures, were assembled to make this animation.

    A full res (16Mbytes) version is available.



    Asteroid 2012 DA14: path in the sky from Italy

    Carta 2012 DA14 per Milano, Roma e Palermo

    Carta 2012 DA14 per Milano, Roma e Palermo

    Questa carta mostra il percorso nel cielo dell’asteroide 2012 DA14 la sera del 15 Febbraio, così come visibile da Milano, Roma e Palermo. Le posizioni sono state accuratamente calcolate tenendo conto degli effetti dell’attrazione terrestre sull’orbita originaria del corpo.

    NB: gli orari sono in tempo universale, bisogna aggiungere un’ora per riportarli alla consueta ora solare italiana!

    Ulteriori dettagli sull’immagine.

    Nel video sottostante, invece, viene simulato il moto dell’asteroide tra le stelle, calcolato per il sito del Virtual Telescope, nell’Italia Centrale. Esso è visualizzato tra le 19.30 e le 21.30 di ora italiana ed è accelerato di un fattore 50. Il campo coperto è di circa 13×10 gradi


    Si ricorda che il 15 febbraio Virtual Telescope trasmetterà le immagini del passaggio in diretta, mediate la sua web tv!


    Near-Earth asteroid 2012 DA14: star map (geocentric)

    Asteroid 2012 DA14 close approach: geocentric path across the stars

    Asteroid 2012 DA14 close approach: geocentric path across the stars

    The map above shows the path in the sky of asteroid 2012 DA14 around its very close approach, next 15 Feb. 2013. Positions are calculed for an ideal observer sitting at the center of our planet. Each point is calculated every 15 minutes.

    The plot makes easy to see how fast will be the apparent motion of 2012 DA14, especially very close to its minimum distance from the Earth (19:25 UT).

    This plot was made by Gianluca Masi using TheSkyX (Software Bisque) and geocentric ephemerids by the Minor Planet Center.


    Back to “Stars Words”


    Asteroid 2012 DA14: view of the close encounter

    Near-Earth asteroid 2012 DA14

    Near-Earth asteroid 2012 DA14

    The near-Earth asterid 2012 DA14 is going to have a record close approach with our planet on Feb. 15, 2013. The video below shows the approach, keeping the asteroid in the center of the field of view, while it approaches planet Earth. See asteroid 2013 DA14 live, online with us!


    The star chart was plotted using TheSkyX Professional, by Software Bisque.


    Back to “Star Words”


    Waiting for asteroid 2012 DA14 close encounter next Feb.

    2012DA14: path across the stars from late 15 Feb. 2013 to early Feb. 16

    2012DA14: path across the stars from late 15 Feb. 2013 to early Feb. 16

    As our visitors well know, the Virtual Telescope Project and its team reserve a special attention to those asteroids closely approaching our planet. This in true in two different ways: at one side, the Virtual Telescope is very active doing follow-up of near-Earth candidates, at their discovery time, so doing a precious scientific work; on the other side, we do a great effort as for public outreach on these themes. Since Sept. 2012, we hosted five live, online observing sessions of these close approaching rocks, with a tremendous feedback from the international audience.

    But since Aug. 2012, we saved a very special date: 16 feb. 2013. That night, will be a great one. Between 15 and 16 Feb. asteroid 2012 DA14, about 50 meters large in diameter, will come very close to our planet, reaching a minimum distance of just 30.000 km! It is worth to underline that there is NOT any risk of collision with the Earth. Thanks to such very short distance, asteroid 2012 DA14 will be bright enough to be visible with very common instruments, like a simple pair of binoculars.

    The Virtual Telescope planned a very special live, online observing session for Feb. 16, do not miss it!

    While waiting for 2012 DA14 coming so close, we wanted to share the map above, showing the asteroid path as seen from the Virtual Telescope location, in Central Italy. It is incredible to see how much it will move in few hours. Times are local ones, that is UT+1.

    We found so intriguing to see how 2012 DA14 will ideally connect the flag of the southern skies, the Southern Cross, with the symbol of the northern skies, the Big Dipper.

    The star chart was plotted using TheSkySix Professional, by Software Bisque.


    Back to “Star Words”



    Live event: “Asteroid 2012 DA14: a record close approach”

    ** LIVE VIEW of asteroid 2012 DA14: click here! **

    Asteroid 2006 VV2 close encounter tracked at the Virtual Telescope

    Asteroid 2006 VV2 close encounter tracked at the Virtual Telescope

    The Virtual Telescope Project is proud to invite you to a very spectacular online event, almost a once in a lifetime chance.

    On 15 Feb. 2013, asteroid 2012 DA14 will make a record approach to our planet, reaching a minimum distance of less than 30.000 km (!), significantly less than many artificial satellites. Of corse, no risks at all for our planet, just a very spectacular event!

    This rock, with a diameter around 50 meters and an estimated mass of 130.000 tons, will make the closest approach we can predict so far in the future, considering the whole asteroids known to date.

    We are proud to offer you a chance to see this asteroid in real time, online, for free. On Feb 15, at 22:00 Universal Time, we will broadcast live images through the web, with the live commentary of our acclaimed scientific staff.

    As usual, you will just need to join our live WebTV page.

    ** LIVE VIEW of asteroid 2012 DA14: click here! **


    We are sure you will not miss this unique opportunity!


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