 The "Collaborative Asteroid Lightcurve Link" derives an albedo of 0.0492 and a diameter of 41.46 kilometers based on an absolute magnitude of 10.8.This minor planet was named after "Geranium", a genus of flowering plants commonly known as "cranesbills".The official naming citation was mentioned in "The Names of the Minor Planets" by Paul Herget in 1955 ().