Tags: Asteroid.
12161 Avienius (provisional designation: 1158 T-2) 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 September 29 1973. It is named after Postumius Rufius Festus Avienius a Roman poet of the 4th century.