It was rated at Torino Scale 1 on October 27, 2011.
It was once rated at Level 0 on the Torino Scale.
The Torino Scale is a way to state only the probability governing a comet, for instance, once it has been sighted and its trajectory described.
Most asteroids rated 1 on the Torino Scale are later downgraded to 0 after more observations come in.
The 2036 passage was lowered to level 0 on the Torino Scale in August 2006.
Only the pass in 2036 remains at Torino Scale 1 (with a 1 in 5,560 chance of impact).
The Torino Scale uses an integer scale from 0 to 10.
The Torino Scale is defined only for potential impacts less than 100 years in the future.
The Torino Scale also uses a color code scale: white, green, yellow, orange, red.
The city also lent its name to the Torino Scale of near-Earth object impact risk.