In reply to Jed Rothwell's message of Mon, 04 Feb 2013 15:02:45 -0500: Hi, [snip] >Eric Walker wrote: >> If the mass of an orbiting satellite is sufficient to deflect the >> incoming asteroid, I doubt the asteroid is big enough to do much upon >> impact. If the asteroid is big enough to do much, I doubt the mass of >> a satellite would deflect it even by a small amount. > >I agree. Bear in mind that most satellites are light objects because >rocket payloads are small. Most satellites are about 1 ton (1000 kg) I >think. A 50 m asteroid weights approximately 200,000 tons, according to >Deep Space Industries, Inc. I think asteroids are considered dangerous >when the size is 30 to 50 m. > >- Jed
This one is not as wide as it is long, so I estimate the mass at about 70000 tons. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html