Space and Astronomy Atlas

How The Universe Works
Celestial Objects

'Oumuamua

Interstellar Object

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'Oumuamua is the first confirmed interstellar object observed passing through the solar system, an elongated body roughly 100 to 1,000 meters long discovered in October 2017; on a hyperbolic trajectory not bound to the Sun, it is passing through rather than orbiting.

Facts
Object Type
Interstellar Object 1
Discovery Year
2017 1
Cross-Tradition Connections

Associated With

Sun, Celestial Objects

Passed through the inner solar system on a hyperbolic, unbound trajectory; not gravitationally captured into orbit.

Sources
1. Wikipedia (space and spaceflight articles)
Wikimedia Foundationen.wikipedia.org, Oumuamua, lead section
Quote, en.wikipedia.org, Oumuamua, lead section
Extrapolated and without further deceleration, its path cannot be captured into a solar orbit, so it will eventually leave the Solar System and continue into interstellar space.
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