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21619 Johnshopkins Tham khảoThực đơn
21619 Johnshopkins Tham khảoLiên quan
21619 Johnshopkins 2161 Grissom 21618 Sheikh 21649 Vardhana 21616 Guhagilford 21611 Rosoff 21192 Seccisergio 21614 Grochowski 21698 McCarron 21615 GuardamanoTài liệu tham khảo
WikiPedia: 21619 Johnshopkins https://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2021619#con... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2021619#dis... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2021619#ele... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2021619#phy... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2021619&orb... https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2021619;cad... https://www.wikidata.org/wiki/Q2214783#P716