海卫九

海卫九（Halimede, S/2002 N 1）是环绕海王星运行的一颗不規則衛星，于2002年8月14日由馬修·霍爾曼等学者发现

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• [http://www.minorplanetcenter.org/iau/NatSats/NaturalSatellites.html MPC: Natural Satellites Ephemeris Service]
• Mean orbital parameters [http://ssd.jpl.nasa.gov/?sat_elem from JPL]

外部連結

• [http://cfa-www.harvard.edu/~mholman/neptunians-press-release.html Matthew Holman's Neptune's page]
• [https://web.archive.org/web/20070624084542/http://www.ifa.hawaii.edu/~jewitt/irregulars.html David Jewitt's pages]
• [http://www.dtm.ciw.edu/users/sheppard/satellites/nepsatdata.html Neptune's Known Satellites] (by Scott S. Sheppard)