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13849 Dunn (1999 XN86)
Classification: Main-belt Asteroid          SPK-ID: 2013849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09067152795237225 2.3926e-08  
a 2.203969281343722 6.1731e-09 au
q 2.004132019044195 5.191e-08 au
i 4.622624103010669 3.6324e-06 deg
node 252.8998266526338 4.9345e-05 deg
peri 222.8997951688142 5.7914e-05 deg
M 138.0385994786799 2.9714e-05 deg
tp 2458742.247570559017
(2019-Sep-15.74757056)
9.8093e-05 TDB
period 1195.106841287778
3.27
5.0211e-06
1.375e-08
d
yr
n .3012282982265291 1.2656e-09 deg/d
Q 2.403806543643249 6.7329e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1962  
   data-arc span      14293 days (39.13 yr)  
   first obs. used      1981-05-09  
   last obs. used      2020-06-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:10:18  

Additional Information
 Earth MOID = 1.0233 au 
 Jupiter MOID = 2.67085 au 
 T_jup = 3.653 
[ show covariance matrix ]

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 14.61   n/a E2021B10  
diameter diameter 3.183 km 0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.332   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13849 Dunn           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Deborah A. Dunn for mentoring a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Dunn is a teacher at the Mesa Union Junior High School, Somis, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1999 XN86 = 1938 DD = 1981 JN3 = 1991 LQ6 = 1997 HM5 = 1998 SL11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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