What well-known parallel is 1.6° South of 22.9068° S, 43.1729° W?

Tropic of Capricorn

Explanation:

The Tropic of Capricorn which is also known as the Southern tropic is the furthest direction south of the Equator where the Sun can be located vertically overhead as it the location of the subsolar point at the southern solstice. In the middle of June, the Tropic of Capricorn reaches a position of an angle of 90° below the horizon at midnight

The latitude of the Tropic of Capricorn is 23°26'11.8'' south of the Equator, while the location of the Tropic of Capricorn is shifting northward at a rate of 15 meters annually.