小行星668643

外部链接

• [http://cosmos4u.blogspot.ru/2012/02/mysterious-solar-system-object-2012.html Mysterious solar system object 2012 DR30: period ~50,000 years, inclination 75°, perihelion 14 AU]
• [https://web.archive.org/web/20140523230331/http://www.itelescope.net/sky-alerts/2012/3/2/transneptunian-object-2012-dr30-is-it-a-comet.html Transneptunian Object 2012 DR30 - Is it a comet?]
• [http://cassi.astronomie.cz/images/planetky/2012DR30_FRAM.jpg Images 2012 DR30]
• [http://www.aerith.net/comet/catalog/2012DR30/2012DR30.html 2012 DR30] (Seiichi Yoshida)
• [https://web.archive.org/web/20170213000651/http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2012DR30 Webcite archive of Epoch 2016-Jan-13 with aphelion (Q) of 2789 AU]

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