An unidentified object now hurtling through our solar system has fascinated NASA experts.
Here's what is known so far: It's roughly 1300 feet in diameter and is moving in a weird orbit, highly inclined to the plane of the solar system.
The asteroid is about 400 meters across and moving at a clip of almost 27 miles a second, according to NASA.
Astronomers around the world are working to place telescopes to ascertain the path of orgination of the object.
An object that isn't acting like most other objects in space has been picked up by a telescope in Hawaii that takes images for NASA.
The object was first spotted by Rob Weryk, a postdoctoral researcher at the University of Hawaii Institute for Astronomy (IfA). "Weryk subsequently searched the Pan-STARRS image archive and found it also was in images taken the previous night, but was not initially identified by the moving object processing", Science Daily reported. Then, Weryk said, "This object came from outside our solar system".
"The motion cannot be explained by using normal asteroids or comet orbits", he said.
The detection was made using data from NASA's Kepler Space Telescope, a stellar observatory that was launched into space in 2009.
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"This thing comes from outside our solar system", Weryk said.
Based on its current trajectory, the visitor came from the constellation Lyra and approached our solar from "above", perpendicular to the plane that most planets orbit the sun.
A/2017 U1 crossed under the ecliptic plane just inside of the Mercury's orbit on September 2. Pulled in by the sun's gravity, the object then made a "hairpin" turn underneath the ecliptic, passing about 15 million miles under Earth. A/2017 U1 has moved out of ecliptic plane and is now moving towards the Constellation Pegasus at a speed of 27 miles (44 Km) per second.
"We have long suspected that these objects should exist, because during the process of planet formation a lot of material should be ejected from planetary systems. It is going extremely fast and on such a trajectory, we can say with confidence, this object is on its way out of the solar system and not coming back". We hardly knew ya.
"We have been waiting for this day for decades", said CNEOS Manager Paul Chodas.
Scientists may have discovered the first comet or asteroid from outside our solar system.
Once these data are obtained and analyzed, astronomers may be able to find out more about the origin and possibilities of the composition of the object. For months, this interstellar interloper - a fragment of an alien solar system - has been hanging around our cosmic neighborhood.