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172991 (2006 KR114)
Classification: Main-belt Asteroid          SPK-ID: 2172991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2698600252013915 4.8722e-08  
a 2.771018563344501 2.4152e-08 au
q 2.02323142400683 1.4407e-07 au
i 7.951128851048706 5.8088e-06 deg
node 246.5823078296858 3.6966e-05 deg
peri 47.20995030806732 3.8832e-05 deg
M 1.40215987411993 1.3996e-05 deg
tp 2458993.937752387635
(2020-May-24.43775239)
6.5441e-05 TDB
period 1684.835790878763
4.61
2.2027e-05
6.031e-08
d
yr
n .2136706745838026 2.7935e-09 deg/d
Q 3.518805702682171 3.067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      299  
   data-arc span      7849 days (21.49 yr)  
   first obs. used      1997-10-10  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55024  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:23:20  

Additional Information
 Earth MOID = 1.01703 au 
 Jupiter MOID = 1.72686 au 
 T_jup = 3.270 
[ 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 15.8   n/a MPO433110  
diameter diameter 2.312 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172991 (2006 KR114)          Discovered 2006-May-26 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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