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5860 Deankoontz (1981 QE1)
Classification: Main-belt Asteroid          SPK-ID: 2005860
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1997425981748507 3.226e-08  
a 2.427256723024182 6.5452e-09 au
q 1.942430158729958 7.9068e-08 au
i 1.535303540082011 3.0822e-06 deg
node 263.8490847280536 0.00014779 deg
peri 139.046936435669 0.00014809 deg
M 46.84580895309857 8.7072e-06 deg
tp 2458820.761862106539
(2019-Dec-03.26186211)
3.336e-05 TDB
period 1381.249061285903
3.78
5.5869e-06
1.53e-08
d
yr
n .260633661292664 1.0542e-09 deg/d
Q 2.912083287318405 7.8525e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2185  
   data-arc span      24975 days (68.38 yr)  
   first obs. used      1951-12-01  
   last obs. used      2020-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:26:50  

Additional Information
 Earth MOID = .951527 au 
 Jupiter MOID = 2.49303 au 
 T_jup = 3.482 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO448972  
diameter diameter 3.852 km 0.650 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.366   0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5860 Deankoontz           Discovered 1981 Aug. 28 by Z. Vavrova at Klet.
Dean Ray Koontz (b. 1945) is a contemporary American author. He is known for his best-selling suspense novels with elements of horror, fantasy, science fiction and mystery.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-09-28Last Updated: 2015-10-05

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Alternate Designations
 1981 QE1 = 1928 RD = 1981 RJ4 = 1981 SW3 = 1985 UV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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