Saturday, September 6, 2014

Mali asteroid u prolasku pokraj Zemlje / A small asteroid flying near Earth


U nedjelju 7. Septembra 2014 oko 19:00 UTC ili oko 22:00 lokalnog vremena maleni asteroid će proći blizu naše planente na udaljenosti oko 40000 Km. Ime ovog asteroida je 2014 RC i otkriven je 31 Avgusta od strane Catalina Sky Survey u Tuskonu, Arizona, SAD.

On Sunday 7th September 2014, or tomorrow a small asteroid named 2014 RC will pass close to our planet. It will pass at the distance (height) of about 40000 Km or 24000 miles. It was discovered on 31st August at Catalina Sky Survey near Tucson AZ, US.


Radi se o malecnom komadu stijenja prečnika oko 20 m odnosno slične je veličine kao i bolid koji je eksplodirao iznad grada Chelyabinsk u Rusiji, prošle godine. Ne postoji nikakva briga da će ovaj asteroid izazvati išta slično jer je njegov prolaz pokraj naše planete slobodan i ne postoji nikakva šansa da može pasti na našu planetu tokom ovog prolaska.

It is a very small asteroid, about 20 meters in diameter or 66 feet and it is approximately same size as the  Chelyabinsk meteor which exploded above that town last year. As it is, this asteroid do not pose any threat like that and it will safely pass above our planet and in to the darkness of Space.

Negdje u dalekoj budućnosti ovaj asteroid možda bude predstavljao rizik tokom svojih budućih bliskih prolazaka ali pokraj glasnog svjetlosnog spektakla i polomljenih prozora, ako se desi da padne iznad naseljenog mijesta, ne predstavlja nikakvu veću opasnost. Čak šta više komad stijene ove veličine nikada ne bi stigao do površine i raspao bi se puno prije zbog trenja u atmosferi. Na Zemlju bi stigli samo sporadični komadići smrvljenog i oprljenog kamenja. Takođe vijerovatno bi se desilo da niko ni ne primjeti njegov pad jer bi se dogodio iznad nenaseljenog područja ili iznad oceana, naime veoma su rijetki slučajevi kao iznad Chelyabinsk-a. 


Maybe sometimes in the far future, this asteroid might pose a threat during it´s future visits close to our planet, if it happens to fall, you can expect a very loud fireworks display and a lot of broken windows, if it of course happens to explode above an inhabited area. But otherwise this asteroid is to small to pose any serious threat. This sized asteroids are more or less frequent visitors and many tend to fall on our planet, but because of our atmosphere all of them burn up before falling to the ground and small charred pebbles are the only remains found. And many times nobody actually notices it, because many fall above uninhabited area or above ocean.

S druge strane padovi ovako malih asteroida su relativno česti, svakih 20ak godina se primjeti po jedan ili 2 uz pomoć satelita i iznad uglavnom nenaseljenih područja. Međutim pretpostavlja se da ih je nešto više ali većina prođe u potpunosti neprimjećeno.

This happens one or two times in 20 years and are mostly seen by satellites. but most of the time those events go unnoticed by anyone.

Na kraju da ponovim, ovaj mali asteroid ne predstavlja nikakvu opasnost i više je kuriozitet sjutrašnjeg dana, vijest sa kraja Dnevnika ili zanimljivost u novinama.

At the end, to repeat, this small asteroid is not posing any threat and it is more of a astronomical curiosity of tomorrows day. A last clip on TV news or a short story in the newspapers.

Usput za one koji ga žele posmatrati, na žalost ovaj asteroid neće biti vidljiv golim okom, biti će tek 11.5 prividne magnitude, odnosno vidljiv tek srednje jačim teleskopima i to tek kao slabo sjajna zvijezdica koja se veoma brzo kreće po nebu. Za voljne astronome amatere, u linkovima se mogu naći neki podaci koji možda mogu pomoći da se ovaj obijekat pronađe i posmatra.

And for those who want to observe it, unfortunately this asteroid will be invisible to naked eye. it´s apparent magnitude will be 11.5, thus visible only by medium sized telescopes and even for those instruments it will be visible only as faint star moving fast across the sky. For willing astronomers amateurs I placed some links you might find useful to help you find it on the night sky.

Linkovi / Links:

http://neo.jpl.nasa.gov/news/news184.html

http://www.slate.com/blogs/bad_astronomy/2014/09/05/asteroid_2014_rc_close_miss_by_a_small_rock.html

http://www.minorplanetcenter.net/mpec/K14/K14R26.html

http://www.itelescope.net/sky-alerts/2014/9/4/alert-neo-2014-rc-on-7-8-september-2014.html

1 comment:

  1. Evo mali updade, kratki video prolaska.

    Here is a small update a short clip of fly by.

    https://www.youtube.com/watch?v=M7Zwu-qOGWk

    ReplyDelete