Great Comet of 1680 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Great Comet of 1680" in English language version.

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  • "JPL Small-Body Database Browser: C/1680 V1" (1681-03-19 last obs (Encke: 125-day data arc)). Jet Propulsion Laboratory. Retrieved 26 July 2011.
  • "JPL Dastcom Comet Orbital Elements". Archived from the original on 6 September 2008. Retrieved 10 February 2010. Num Name ... q ... Tp ... C/1680 V1 (1680 V1) ... 0.00622200 ... 16801218.48760
  • Horizons output. "Barycentric Osculating Orbital Elements for Comet C/1680 V1 (C/1680 V1)". Solution using the Solar System Barycenter. Ephemeris Type:Elements and Center:@0 (For epoch 1800 orbit period is "PR= 3.8E+06 / 365.25 days" = ~10,400 years)
  • Donald Yeomans. "Great Comets in History". Jet Propulsion Laboratory/California Institute of Technology (Solar System Dynamics). Retrieved 1 August 2007.
  • NASA JPL Horizons ephemeris 2022–2030

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