Thực đơn
(27981) 1997 UK21Thực đơn
(27981) 1997 UK21Liên quan
(27981) 1997 UK21 (27980) 1997 UA21 (27911) 1996 TC14 27917 Edoardo (7981) 1978 VL10 27986 Hanuš 27983 Bernardi 27984 Herminefranz 25981 Shahmirian 2791 ParadiseTài liệu tham khảo
WikiPedia: (27981) 1997 UK21 http://www.wolframalpha.com/entities/minor_planets... http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=27981