2008 HJ

2008 HJ

2008 HJ is a small near Earth asteroid orbiting the Sun. It was discovered by astronomer Richard Miles using the Faulkes Telescope South at Siding Spring Observatory, Australia. It measures only 12m by 24m but is very dense, having a mass of about 5,000 tonnes.

2008 HJ has the fastest known rotation period in the solar system, completing one revolution every 42.7 seconds.

External links

* [http://news.bbc.co.uk/2/hi/science/nature/7426755.stm Record spin for new-found asteroid] , BBC.com, 30 May, 2008


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