urn:nasa:pds:context:target:satellite.243_ida.dactyl 1.0 1.18.0.0 Product_Context Dactyl 1993 (243) 1 NAIF ID 2431011 2022-08-19 1.0 Creation by M.K. Crombie using information downloaded from the International Astronomical Union. urn:nasa:pds:context:target:asteroid.243_ida context_to_associate (243) Ida is the primary of Dactyl. (243) Ida I (Dactyl) Asteroid Dactyl was discoverd on 17 February 1994 by Ann Harch, a Galileo mission team member. The images in which Dactyl was identified were the first direct confirmation of an asteroid moon.