杜圖瓦-諾伊明-德爾波特彗星

外部連結

• [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=57P;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=57P Horizons Ephemeris]
• [http://www.aerith.net/comet/catalog/0057P/index.html 57P/du Toit-Neujmin-Delporte] – Seiichi Yoshida @ aerith.net
• [http://cometography.com/pcomets/057p.html 57P/du Toit–Neujmin–Delporte] at Gary W. Kronk's Cometography