* [http://www.gps.caltech.edu/~mbrown/sedna/ Mike Brown's Sedna page]
* {{JPL small body|id=90377}}
* [http://www.spitzer.caltech.edu/Media/releases/ssc2004-05/release.shtml Official press release by NASA JPL/SCC]
* [http://antwrp.gsfc.nasa.gov/apod/ap040604.html Astronomy Picture of the Day 04 July 2004 - Artist's rendering of view from Sedna]
* [http://www.boulder.swri.edu/~hal/CR105.html Scenarios for the Origin of the Orbits of the Trans-Neptunian Objects] by Alessandro Morbidelli and Harold F. Levison
* [http://cfa-www.harvard.edu/mpec/K04/K04S73.html MPEC 2004-S73: Comment on the naming of Sedna]
* [http://www.washingtonpost.com/wp-dyn/articles/A21549-2005Feb13.html Distant Object Could Hold Secrets to Earth's Past]
* [http://web.archive.org/web/20050305081209/http://seds.lpl.arizona.edu/nineplanets/nineplanets/sedna.html Sedna] on [http://web.archive.org/web/20080102022647/http://seds.lpl.arizona.edu/nineplanets/nineplanets/nineplanets.html The Nine Planets Solar System Tour]
