According to the International Astronomical Union (IAU), a second interstellar object named 2I/Borisov has been discovered in the solar system.
It was discovered by astronomer Gennady Borisov from MARGO observatory, Crimea.
It looked like a comet from a 0.65-meter telescope built on his own.
It has an orbit as hyperbolic.
It was formerly known as C/2019 Q4.
The first interstellar object was 1I/Oumuamua.
An interstellar object is an astronomical object- an asteroid, comet or possibly planet, but not a star or sub star which is located in interstellar space.