Questions tagged [asteroid-redirect-mission]

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Could a Gravity Tractor be used for mining asteroids?

Recently, I came across the concept of the Gravity Tractor for the first time. And I was intrigued. https://en.wikipedia.org/wiki/Gravity_tractor A Gravity Teather, as I understand it, is a concept ...
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87 views

Are there any specific plans for how to deal with near-Earth comets? If not, should there be?

You hear a lot about how NASA, ESA and other space agencies are taking action to catalogue asteroids that might one day collide with us, but also figure out how to avert such a catastrophe if one day ...
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Could the Orion project pusher plate model be used for asteroid deflection?

Could the Orion project pusher plate model be used for asteroid deflection? Basically, the plates (or hemispherical shells) would be deployed in the vicinity  of the asteroid , and the following ...
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61 views

Using DART to measure G

NASA plans to launch a mission called DART to kinetically impact an asteroid, primarily for the defense of Earth. One thing that I've been thinking about is the same mission could be used potentially ...
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What ever happened to the Asteroid Redirect Mission?

In Robert Zubrin's Moon Direct; A purpose-driven plan to open the lunar frontier (found in the Pod Bay) there is a paragraph that says: Essentially, the gateway is a vestigial form of the Obama ...
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Can an ion drive attached to an asteroid move it into another orbit if given enough power?

After watching one of the videos from Curious Droid on Youtube talking about asteroid deflection and strikes I had an idea. Ion thrusters provide bits of mass velocities at the needed Isp (5-6 km/s ...
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114 views

Spacecraft necessary to deflect extinction event asteroid?

It is believed that the end of the Cretaceous period of the Earth's geology was marked by an asteroid impact which caused a mass extinction event, known as the Cretaceous-Paleogene Extinction Event. ...
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440 views

Could an ion engine use an asteroid as an in-situ resource for fuel?

I've read about NASA Glenn's Next's and JPL's DAWN ion engines using xenon (or cheaper argon and krypton) to go on trips to asteroids, bring a small one back to lunar orbit, bring back mined minerals, ...
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Have there been any documented mini-moons since 2006 RH120?

The conference call with Bill Bottke (MP3 plus other documents) about "minimoons" presents an alternative to Asteroid Redirect first got me interested in orbital mechanics. The idea is that there are ...
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632 views

Could “Asteroid Redirect” make the moon more dangerous for astronauts for a long time?

The proposed Asteroid Redirect Mission would capture a small astroid, then tow it back to the moon and place it in orbit - in a bag - if I understand correctly. I'm all for creative thinking applied ...
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Could we launch a rubble pile simulant to LEO for astronauts to practice on before visiting natural milligravity objects?

There are proposals and maybe serious plans to send astronauts to asteroids or Mars' moons, objects which are a few kilometers or just a few meters in diameter. I call them "milligravity" objects ...
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If an extinction capable asteroid was approaching Earth, would we be capable of preventing the collision? [duplicate]

Assuming we just spotted an asteroid, of a similar size to the one that killed the dinosaurs, that is approaching earth and will hit it in an equally fatal way. Presuming we detected this asteroid as ...
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Could a cloud of dense gas, such as xenon, deflect a hazardous asteroid?

Impactors or explosive missiles have the advantage of not having to match velocity with an Earth-bound asteroid, so they are cheaper and quicker to launch (or so I understand), and detection need not ...
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492 views

What is the largest body in the solar system we could meaningfully and accurately adjust the orbit of?

There is a lot of science fiction and emerging science that move comet and asteroids as part of the main plot. Pretty much everything in our solar system, is in orbit around the Sun, or in orbit ...
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Could an ARM Option B type of mission be used to deflect a hazardous asteroid?

NASA's Asteroid Redirect Mission ARM Option B would have a robotic probe pick up a boulder from the surface of a much larger asteroid, and put that boulder in lunar orbit. Boulders considered could ...