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JPL Small-Body Database Browser
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212456 (2006 QK20)
Classification: Main-belt Asteroid          SPK-ID: 2212456
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620145937129739 5.8626e-08  
a 3.152994036751656 2.7698e-08 au
q 2.642162988907907 1.8851e-07 au
i 7.450944214920526 7.3461e-06 deg
node 344.4233470424494 4.3395e-05 deg
peri 341.2624229185204 4.7618e-05 deg
M 100.2538980801367 1.9024e-05 deg
tp 2458031.015486984368
(2017-Oct-04.51548698)
0.00010628 TDB
period 2044.952152601106
5.60
2.6946e-05
7.377e-08
d
yr
n .1760432387340177 2.3197e-09 deg/d
Q 3.663825084595406 3.2185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      9393 days (25.72 yr)  
   first obs. used      1993-03-25  
   last obs. used      2018-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57469  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:33:36  

Additional Information
 Earth MOID = 1.63106 au 
 Jupiter MOID = 1.69393 au 
 T_jup = 3.174 
[ 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 15.4   n/a MPO427251  
diameter diameter 5.421 km 1.649 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212456 (2006 QK20)          Discovered 2006-Aug-18 by LONEOS at Anderson Mesa
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2006 QK20 = 2004 FH43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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