What orbital characteristic confirms that an object is an interstellar object rather than a solar system native?

Answer

Its orbit is clearly hyperbolic

Interstellar objects possess orbits that are hyperbolic, meaning they are moving fast enough to escape the Sun’s gravity after passing through the system, indicating they did not originate under our Sun's primary gravitational influence.

What orbital characteristic confirms that an object is an interstellar object rather than a solar system native?

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