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268842 (2006 WK128)
Classification: Main-belt Asteroid          SPK-ID: 2268842
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07130229728281337 6.8474e-08  
a 2.291331375302847 1.9625e-08 au
q 2.127954184407566 1.6273e-07 au
i 1.611983184996076 6.5678e-06 deg
node 297.5620346898444 0.00026502 deg
peri 132.205631734341 0.00027031 deg
M 320.4885780749034 5.8299e-05 deg
tp 2459139.543418990312
(2020-Oct-17.04341899)
0.00020623 TDB
period 1266.864830412961
3.47
1.6276e-05
4.456e-08
d
yr
n .2841660699371144 3.6508e-09 deg/d
Q 2.454708566198129 2.1024e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      7155 days (19.59 yr)  
   first obs. used      1999-12-04  
   last obs. used      2019-07-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63724  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:10:35  

Additional Information
 Earth MOID = 1.14257 au 
 Jupiter MOID = 2.7081 au 
 T_jup = 3.594 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO476136  

268842 (2006 WK128)          Discovered 2006-Nov-26 by Yeung, W. K. Y. at 7300
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

Alternate Designations
 2006 WK128 = 2004 CR122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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