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Welcome to LIVE Comet Data


We display real-time information on some of the more notable comets zooming around our solar system. The comets listed here are usually of high interest to the astronomical community, this might be because they’ll appear brighter or come closer than most other comets, or even (like in the case of Comet 67P Churyumov–Gerasimenko), the European Space Agency have sent their Rosetta Spacecraft to orbit and deploy a Lander (Philae) to the comet’s surface.



Popular Comets

Comet Siding Spring (C/2012 A1)

Discovered in January of last year, it was quickly established that Comet Siding Spring was going to pass ‘very’ close to Mars on 19th October this year. The latest calculations show Siding Spring passing Mars at a distance of just 89,000 miles above the planet’s surface!


Comet Jacques (C/2014 E2)

Although only discovered in March of this year, Comet Jacques has the potential to become one of the brightest comets of 2014. Predictions put the comet at around magnitude +7 by mid-July but some say it could get as bright as +3! See LIVE data including Right Ascension and Declination data here.


Comet Cheryumov-Gerasimenko (67P)

Comet Churyumov-Gerasimenko (67P) will be the focus of the Rosetta spacecraft mission over the next two years. Rosetta is due to rendezvous with 67P later this year, and after scanning the comet for a suitable landing site, will then deploy a lander to the comet’s surface.

Latest Article

NASA Preparing to “Duck and Cover” for Mars’ Close Encounter with Comet

Comet Siding Spring's Path

At just one third the distance of our Moon, Comet Siding Spring (C/2012 A1) is set to pass Mars ten times closer than any recorded comet has ever passed Earth. As NASA currently have two spacecraft orbiting the red planet (and one on the way), cautionary measures are being drafted to manoeuvre the spacecraft (if necessary) out of harms way …more >

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