 The body's observation arc begins at Heidelberg, the night after its official discovery observation.In the SMASS taxonomy, "Kepler" is a stony S-type asteroid.Its diameter has not been estimated by any of the prominent space-based surveys such as the Infrared Astronomical Satellite IRAS (1982), the Japanese Akari satellite (2006), NASA's Wide-field Infrared Survey Explorer (2009) or its subsequent NEOWISE mission (2013).