Tags: Asteroid.
12171 Johannink (provisional designation: 2382 T-3) is a main-belt minor planet. It was discovered by Cornelis Johannes van Houten Ingrid van Houten-Groeneveld and Tom Gehrels at the Palomar Observatory in San Diego County California on October 16 1977. It is named after Carl F. Johannink a Dutch high school teacher and amateur astronomer.