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66P/du Toit

66P/du Toit
Discovery
Discovered by Daniel du Toit at Boyden Observatory, South Africa
Discovery date 16 May 1944
Orbital characteristics A
Aphelion 10.7302 AU
Perihelion 1.2742 AU
Semi-major axis 6.0235 AU
Eccentricity 0.788
Orbital period 14.78 yr
Inclination 18.70°
Last perihelion 27 August 2003
Next perihelion 2017

66P/du Toit is a periodic comet in our Solar System with a current orbital period of 14.78 years. [1]

It was discovered by Daniel du Toit at the Boyden Observatory, South Africa on 16 May 1944, who estimated its brightness at magnitude 10. Other observers estimated magnitude 11 and 12.5. Its next return date was calculated to have a perihelion date of 10 April 1959 but it was not discovered.

The 1974 return was found almost accidentally with a perihelion date of 1 April 1974 and a brightness of magnitude 18-19. The 1989 appearance was again missed. The 2003 appearance had a perihelion date of 27 August 2003 and a brightness of magnitude 20.[2]

See also

List of numbered comets

References

  1. ^ "66P/du Toit". Retrieved 25 November 2014. 
  2. ^ "66P/Du Toit". Retrieved 25 November 2014. 
Periodic comets (by number)
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