The Collaborative Asteroid Lightcurve Link adopts the result from IRAS, that is, an albedo of 0.2037 and a diameter of 12.86 kilometers based on an absolute magnitude of 11.8. Notes References External links Lightcurve Database Query (LCDB), at www.minorplanet.info Dictionary of Minor Planet Names, Google books Asteroids and comets rotation curves, CdR – Geneva Observatory, Raoul Behrend Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center 000989 Discoveries by Friedrich Karl Arnold Schwassmann Named minor planets 000989 19221118