Category Archives: Asteroids

26 Multi-Kiloton Impacts Since 2001!?

That’s the number the B612 Foundation is hinting at leading up to their press event on April 22nd. Interesting approach in releasing the actual number early, building interest to see the animation that they’ll show at the event proper. There’s … Continue reading

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New Proposal for an Exploration Target

Small asteroids, mini-moons of Earth. I like the concept, though I’m not sure how the trades will work out as far as travel time and delta-vs, other than the usual situation of the faster you want to get somewhere, the … Continue reading

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Asteroid Threat

Visualized.

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More Early History of Meteorites

Some of the first iron people worked with was from meteorites, used to make jewelry.

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More Eyes in Space = Better

Looks like WISE is being re-activated for three more years to search for more asteroids. This is very good news.

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Some old Friends Appear Again

Whenever I hear about asteroid missions or retrievals, I look at the lists for some of the asteroids I researched in my early work. In this latest study searching for asteroids that work well for NASA’s asteroid retrieval mission the … Continue reading

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Chelyabinsk from a Family of Asteroids?

The meteor that hit Russia in February may have bigger relatives.

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Another Proposed Asteroid Hunter

In work for the book, I had a brain wave about the utility of a group of satellites in a halo orbit around Sun-Earth L1 looking around Earth for incoming space rocks. Turns out, JPL is proposing a mission to … Continue reading

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Most In-depth Analysis of the Asteroid Mission I’ve seen so far

Hop David is at it again. Here, he’s taken a look at what’s involved in capturing an asteroid. He uses a tool that I’ve used in the past, JPL’s NEO close approach table generator. While the numbers look small (e.g. … Continue reading

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Another Early-Warning Service

In a comment to my ATLAS post, Hop David asked whether the Planetary Resources Arkyd Telescopes (congrats on their successful fundraising efforts, by the way) could serve as an early-warning system, especially on the daylight side of the Earth where … Continue reading

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