1September 1987 What is the constellation i8?

According to the perpetual calendar query:

Lunar calendar 1987 September 18 is Gregorian calendar 1 1.9, Scorpio (10.24-1.22).

Scorpio people have a low-key appearance, but they are full of ambition and mystery, and will not easily associate with others. Self-demanding, highly competitive and effective, with the ability to understand other people's ideas.