Astronomers 'crowdsource' asteroid observations

14 May 2012
By Sofia Mitra-Thakur
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Space Situational Awareness - Near Earth Object (Credit ESA - P.Carril)

Space Situational Awareness - Near Earth Object (Credit ESA - P.Carril)

The European Space Agency is teaming up with the UK’s Faulkes Telescope Project on space hazards research.


ESA’s Space Situational Awareness (SSA) programme looks for space hazards, including disruptive space weather, debris objects in Earth orbit and asteroids that pass close enough to cause concern.

Asteroids – known as ‘near-Earth objects’, or NEOs, since they cross Earth’s orbit – are a particular problem, as any attempt to survey and catalogue hazardous asteroids faces a number of difficulties.

They’re often jet black or at least very dark, they can approach rather too close before anyone sees them, and they’re often spotted only once and then disappear before the discovery can be confirmed.  

ESA is turning to amateur astronomers to ‘crowdsource’ observations as part of Europe’s contribution to the global asteroid hunt.

“The wider astronomy community offers a wealth of expertise and enthusiasm, and they have the time and patience to verify new sightings; this helps tremendously,” says Detlef Koschny, head of NEO activity at ESA’s SSA programme office.

“In return, we share observing time at ESA’s own Optical Ground Station in Tenerife and provide advice, support and professional validation. We’ll assist them in any way we can.”

These efforts will add to the follow-up observations already done at ESA’s own telescope on Tenerife in the Canary Islands.

This month, the UK’s Faulkes Telescope Project will become the latest team to formally support the SSA programme.

Spain’s La Sagra Sky Survey, operated by the Observatorio Astronomico de Mallorca, began helping SSA earlier this year.

The Faulkes Telescope Project runs both educational and research programmes, based at the University of Glamorgan in the UK.

The project has a strong record in public education and science outreach, and is a partner of the US-based Las Cumbres Observatory Global Telescope network, which owns and operates two telescopes.

"Our new cooperation with ESA is a great opportunity. Use of the 2 m-diameter telescopes in Hawaii and Siding Spring, Australia, will greatly enhance asteroid-spotting for the SSA programme, enabling fainter object detection and tracking from a global telescope network,” said Nick Howes, Pro-Am Programme Manager at the Faulkes Telescope.

“For European students, collaborating on exciting ESA activities and possibly detecting new NEOs is very appealing, as it’s engagement with one of the world’s great space agencies doing critical scientific work.”

ESA’s SSA programme is developing services and infrastructure to enable Europe to observe NEOs, predict their orbits, produce impact warnings and be involved in possible mitigation measures and civil response.

It will also provide services to monitor man-made debris objects in orbit that can pose hazards to satellites and to monitor the effects of space weather phenomena on space and ground assets.

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