U.K. Schmidt–Caltech Asteroid Survey, or U.K. Schmidt Telescope–Caltech asteroid survey, or UCAS is the joint astronomical survey performed in 1982. This survey no longer exists as a separate entity, but is rather integrated into astorb asteroids database. The UCAS catalog data format is plain text, after uncompressing by unzip or gunzip it can be seen by any text viewers or by online ADC viewer. Specifications for catalog format are provided on the download sites.
Database download locations Download page for asteroids database, including UCAS database, 2001 Download page for asteroids database, including UCAS database, 1998 Caltech asteroids database, including UCAS database, 1996 Archived 2016-03-03 at the Wayback Machine
See also UK Schmidt Telescope Schmidt telescope