C/1652 Y1

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C/1652 Y1
Discovered by Jan van Riebeeck
Discovery date December 17, 1652
Orbital characteristics A
Perihelion 0.8475 AU
Eccentricity 1.0
Inclination 79.461°
Last perihelion November 13, 1652

C/1652 Y1 was a naked-eye comet observed, among others by Jan van Riebeeck. First spotted on December 16, 1652, by Dutch observers at Pernambuco (Brazil).[1]

As of June 2008 the comet was about 280 AU from the Sun (very approximate due to poorly determined orbit).[2][3]


  1. Frederik Muller, De Nederlandsche Geschiedenis in Platen. Beredeneerde Beschrijving van Nederlandsche Historieplaten. Amsterdam: 1863; nr. 2059.
  2. NASA. JPL Small-body database browser plot and approximate distance. (needs Java)
  3. NASA. JPL HORIZONS current ephemeris more accurate position, no plot.