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187428 (2005 WK6)
Classification: Main-belt Asteroid          SPK-ID: 2187428
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2162538082525999 5.1826e-08  
a 2.600310151086982 1.7788e-08 au
q 2.037983178276529 1.4268e-07 au
i 1.737633883413252 3.5215e-06 deg
node 227.1928415033578 0.00016477 deg
peri 125.7090089660017 0.00016495 deg
M 261.6949024202905 1.0782e-05 deg
tp 2459618.724712990334
(2022-Feb-08.22471299)
4.9044e-05 TDB
period 1531.567542104718
4.19
1.5715e-05
4.303e-08
d
yr
n .235053296771541 2.4119e-09 deg/d
Q 3.162637123897436 2.1634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      9614 days (26.32 yr)  
   first obs. used      1994-01-19  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:51:03  

Additional Information
 Earth MOID = 1.03165 au 
 Jupiter MOID = 2.28435 au 
 T_jup = 3.381 
[ 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 16.09   n/a E2021B55  

187428 (2005 WK6)          Discovered 2005-Nov-21 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

Alternate Designations
 2005 WK6 = 1994 BX5 = 2001 XG157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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