100P/Hartley 1

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100P/Hartley 1
Discovery
Discovered by Malcolm Hartley
Discovery date June 13, 1985
Alternative
designations
1991 VII; 1985 VII
Orbital characteristics A
Epoch 2011-Dec-05
2455900.5
Aphelion 4.841 AU
Perihelion 1.990 AU
Semi-major axis 3.416 AU
Eccentricity 0.4172
Orbital period 6.31 a
Inclination 25.661°
Last perihelion 2009 Dec. 6
Next perihelion 2016 Apr. 2[1][2]

100P/Hartley 1, also known as Hartley 1, is a periodic, Jupiter family comet in our solar system.[3]

On 29 April 2164 the comet will pass 0.487 AU (72,900,000 km; 45,300,000 mi) from Earth.[4]

References[edit]

  1. ^ "100P/Hartley Orbit". Minor Planet Center. Retrieved 2014-11-01. 
  2. ^ Patrick Rocher (2010-07-12). "Note number : 0056 P/Hartley 1 : 100P". Institut de mecanique celeste et de calcul des ephemerides. Retrieved 2012-02-20. 
  3. ^ "100P/Hartley 1". NASA JPL. 
  4. ^ "JPL Close-Approach Data: 100P/Hartley 1". 2010-07-12. Retrieved 2012-02-23. 

External links[edit]

Periodic comets (by number)
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