What is sdss?

Some articles on sdss:

List Of Minor Planets: 170001–171000
2002 TV309 October 4, 2002 Apache Point SDSS 170007 Strateva 2002 TV323 October 5, 2002 Apache Point SDSS 170008 Michaelstrauss 2002 TZ338 October 5, 2002 Apache Point SDSS 170009 - 2002 TY340 October 5, 2002 Apache. 2003 SP319 September 26, 2003 Apache Point SDSS 170396 - 2003 SW320 September 18, 2003 Palomar NEAT 170397 - 2003 TB10 October 6, 2003 Socorro LINEAR 170398 - 2003 TA14 October ...