4340 Dence

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4340 Dence
Discovery[1]
Discovered by Carolyn S. Shoemaker
Discovery site Palomar Observatory
Discovery date 4 May 1986
Designations
MPC designation 4340
1986 JZ
Main belt [2]
Orbital characteristics[3][2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 13266 days (36.32 yr)
Aphelion 2.94653 AU (440.795 Gm)
Perihelion 1.84162 AU (275.502 Gm)
2.39407 AU (358.148 Gm)
Eccentricity 0.230760
3.70 yr (1353.0 d)
359.803°
0° 15m 57.859s / day
Inclination 25.1509°
81.0237°
175.737°
Earth MOID 0.825645 AU (123.5147 Gm)
Jupiter MOID 2.12935 AU (318.546 Gm)
Jupiter Tisserand parameter 3.368
Physical characteristics
15.473 ± 0.005 hours,[4] 7.546 h (0.3144 d)[2]
13.1,[5] 12.6[2]

4340 Dence (1986 JZ) is a main-belt asteroid discovered on May 4, 1986 by Carolyn S. Shoemaker at Palomar Observatory.[1] Named in honor of Michael R. Dence executive director of the Royal Society of Canada.[6]

References[edit]

  1. ^ a b "Discovery Circumstances: Numbered Minor Planets (1)-(5000)". IAU: Minor Planet Center. Archived from the original on 2 February 2009. Retrieved January 7, 2009. 
  2. ^ a b c d "4340 Dence (1986 JZ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 14 April 2016. 
  3. ^ "(4340) Dence". AstDyS. Italy: University of Pisa. Retrieved January 9, 2009. 
  4. ^ Maurice Clark (2008). "Asteroid Lightcurve Observations". The Minor Planet Bulletin 35 (4): 152–154. Bibcode:2008MPBu...35..152C. 
  5. ^ Tholen (2007). "Asteroid Absolute Magnitudes". EAR-A-5-DDR-ASTERMAG-V11.0. Planetary Data System. Archived from the original on 1 December 2008. Retrieved January 8, 2009. [dead link]
  6. ^ Schmadel, Lutz; International Astronomical Union (2003). Dictionary of minor planet names (fifth ed.). Germany: Springer. p. 372. ISBN 978-3-540-00238-3. Retrieved January 9, 2009. 

External links[edit]