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New asteroid Earth flyby!

9th January 2017 CometWatch Admin 4

A newly discovered asteroid designated 2017 AG13 is about to whiz by the Earth tonight at 00:47 GMT (07:47 EST). It whizzes past at half the distance of the Moon at 10 miles per second. This is a very fast speed relative to the Earth. Estimated to be around 11 – 34 meters in diameter, this asteroid was only discovered on Saturday by scientists at the Catalina Sky Survey. Read More…

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The Misleading ‘Supermoon’

11th November 2016 CometWatch Admin 0


As much of the media have reported, on the night of November 14th, a ‘Super’ Full Moon will rise visually being the biggest and brightest for nearly 70 years. There have been a few reported ‘supermoons’ in recent years including one coinciding with a total lunar eclipse in 2015. But what is a Supermoon? Are the media misleading us by using this term? Read more…

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Mercury Transit 2016

4th May 2016 CometWatch Admin 0

Mercury Transit 2016

On Monday 9th May 2016 the planet Mercury transited across the Sun. The event was visible from the America’s, Africa, Europe, the Middle East, most and of Asia. From start the finish the transit lasted around 7 hours so. The last transit of Mercury was in 2006. There will be another one in 2019 which is barely visible from the UK and the next one after that is not until 2032!

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Comet 252P/Linear Double Flyby

22nd March 2016 CometWatch Admin 0

After Comet 252P Linear’s Closest approach on Monday, its much fainter companion is making an even closer encounter with Earth on Tuesday 22nd. Discovered much more recently than its bigger brother, 2016 BA14 will flyby at a distance of just 9 lunar distances, or 2.1 million miles. This makes it the second closest approach of any comet in history (the last being this close was way back in 1770). [Read more…]

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Comet 252P/Linear Close Approach to Earth

18th March 2016 CometWatch Admin 0

Comet 252/P Linear

On March 21st, Comet 252p/Linear will make a close approach to Earth at a distance of only 0.036AU (33.5 Million Miles). This makes it the 5th closest cometary approach to Earth on record! Normally a dim comet, Linear’s rapid brightening has surprised everyone’s expectations. It is now an easy target for backyard telescopes and binoculars on the edge of naked eye visibility.

Upload your images of the comet to our Comet Photo Gallery

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Halloween Asteroid Flyby

26th October 2015 mattc_uk 0

VISIT LIVE WEBCAST PAGE Discovery, Size and Speed Asteroid 2015 TB145 was first discovered on 10 October 2015 by the Pan-STARRS survey system. The object […]

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