13963 Euphrates

Euphrates
Discovery[1]
Discovered by Eric Walter Elst
Discovery site European Southern Observatory
Discovery date August 3, 1991
Designations
MPC designation 13963
Named after Euphrates
Alternate name(s) 1991 PT4
Epoch November 30, 2008
Ap 4.1882
Peri 2.4653
Semi-major axis 3.32674
Eccentricity 0.258951
Orbital period 2216.29
Mean anomaly 284.752
Inclination 0.935
Longitude of ascending node 227.48
Argument of peri 130.141
Physical characteristics
Absolute magnitude (H) 13.7

13963 Euphrates (1991 PT4) is an outer main-belt asteroid discovered on August 3, 1991 by Eric Walter Elst at the European Southern Observatory.[1] It is one of very few asteroids located in the 2 : 1 mean motion resonance with Jupiter.[3]

References

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (10001)-(15000)". IAU: Minor Planet Center. http://www.cfa.harvard.edu/iau/lists/NumberedMPs010001.html. Retrieved 7 December 2008. 
  2. ^ "(13963) Euphrates". AstDyS. Italy: University of Pisa. http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.0&n=13963. Retrieved 10 December 2008. 
  3. ^ Roig; Nesvorny, D.; Ferraz-mello, S. (2002). "Asteroids in the 2 : 1 resonance with Jupiter: dynamics and size distribution". Monthly Notices of the Royal Astronomical Society 335 (2): 417–431. Bibcode 2002MNRAS.335..417R. doi:10.1046/j.1365-8711.2002.05635.x. 

External links