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Questions tagged [oumuamua]

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3
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94 views

What were the odds that ʻOumuamua passed so close to the Sun?

ʻOumuamua passed its closest point at about 0.25 UA from the Sun. Has anyone researched what the odds were that the first ever spotted interstellar object passed so close to the Sun? Being the ...
9
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2answers
130 views

After Oumuamua passage, has an “urgency” telescope time request procedure been set up?

During the rapid passing of ʻOumuamua through our solar system, it was difficult to get instant telescope time. Usually, formal requests and a review process are necessary before telescope time is ...
3
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1answer
78 views

What is the angle between the planes of Oumuamua's hyperbola and the Milky Way Galaxy?

Viewing the animations of Oumuamua passing through the solar system, it is apparent that the plane of its hyperbola departs from the plane of the ecliptic by a large amount. The plane of the ecliptic ...
2
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2answers
181 views

How did astronomers determine the path of 'Oumuamua so quickly?

The interstellar asteroid 'Oumuamua was discovered on October 19, 2017. Once discovered, less than a month's worth of precovery observations were found on various sky surveys. By mid-November, ...
0
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1answer
120 views

Is Oumuamua tumbling?

given that everyone wonders whether there is a chance that there is something to oumuamua that is not natural, what about tumbling (and/or aiming?)? is there a natural gravitational or other force ...
3
votes
2answers
324 views

When would Oumuamua have entered the solar system?

So from what I've read, Oumuamua travels at around 26km/s when in interstellar space. I also remember reading a while back that Voyager was travelling at around <...
5
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1answer
143 views

Potential formation mechanisms of the interstellar asteroid 'Oumuamua

NASA recently discovered 'Oumuamua, an interstellar asteroid that appears to have a very elongated shape, unseen in solar system asteroids. What physical mechanisms, in the progenitor stellar system ...
8
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1answer
189 views

Since when are we able to discover interstellar objects similar to 1I/ʻOumuamua?

Since when are our observation capabilities good enough to discover objects similar to the first discovered interstellar object 1I/ʻOumuamua (October 2017) with high probability? Could we make rough ...