Skip to main content
26 votes
Accepted

How feasible is a manned flight to Apophis in 2029 using Artemis or Starship?

There's no point in a flyby since there would be no time to conduct any meaningful measurements. According to Wikipedia, 99942 Apophis will be going about 7 km/s relative to Earth at closest approach ...
Scott McPeak's user avatar
  • 1,209
12 votes
Accepted

Using Dragon and Polaris Dawn to dock with near Earth asteroids

You might be over-estimating the significance of these new EVA suits. They are designed to provide brief protection to exposure to full vacuum. The advance on the previous SpaceX intra-vehicular suits ...
Michael MacAskill's user avatar
6 votes

Using Dragon and Polaris Dawn to dock with near Earth asteroids

Michael MacAskill's answer has talked of limitations of Dragon and the SpaceX space suits, but there is a separate issue with achieving intercept. Near Earth Objects have broadly similar orbits to ...
GremlinWranger's user avatar
6 votes

How feasible is a manned flight to Apophis in 2029 using Artemis or Starship?

It might be possible in theory, but it would require a dedicated development campaign. It won't happen in practice as the powers that be have no interest in doing it. Most eyes are focused on the Moon ...
Slarty's user avatar
  • 9,560
2 votes

Do all dangerous asteroids first pass through keyholes?

Novel keyhole-less asteroids could exist An extrasolar asteroid such as ╩╗Oumuamua would not need to pass through a gravitational keyhole within our solar system, but the odds of a such a collision are ...
Dragon's user avatar
  • 121
1 vote

Do all dangerous asteroids first pass through keyholes?

The question is a little backwards. When we talk about a "gravitational keyhole", what we mean is we have an object that has a known orbit with some degree of uncertainty, which is going to ...
Darth Pseudonym's user avatar

Only top scored, non community-wiki answers of a minimum length are eligible