Hyperbolic Asteroids (HYA) are objects with an orbit not bound to the sun. There are 2 Hyperbolic Asteroids in this database out of 798,650 total, accounting for 0.0% of objects.

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'Oumuamua
very small Not Hazardous
'Oumuamua orbits the sun every days, coming as close as 0.26 AU and reaching as far as -2.80 AU from the sun.
A/2017 U7
relatively small Not Hazardous
A/2017 U7 orbits the sun every days, coming as close as 6.42 AU and reaching as far as -14004.67 AU from the sun.