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JPL Small-Body Database Browser
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392692 (2011 WK47)
Classification: Main-belt Asteroid          SPK-ID: 2392692
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713626677747216 9.5863e-08  
a 2.751302804695689 6.1489e-08 au
q 2.279832216226962 2.7659e-07 au
i 13.21046375862135 8.8201e-06 deg
node 68.84056083464048 4.0608e-05 deg
peri 281.1211379309598 4.6362e-05 deg
M 277.2765792968069 2.4422e-05 deg
tp 2458983.529300274674
(2020-May-14.02930027)
0.00011769 TDB
period 1666.886438287239
4.56
5.588e-05
1.53e-07
d
yr
n .2159715213532528 7.2401e-09 deg/d
Q 3.222773393164415 7.2026e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      5157 days (14.12 yr)  
   first obs. used      2005-05-11  
   last obs. used      2019-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48193  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:09:08  

Additional Information
 Earth MOID = 1.31838 au 
 Jupiter MOID = 2.36043 au 
 T_jup = 3.286 
[ 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 16.2   n/a MPO446663  

392692 (2011 WK47)          Discovered 2005-May-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 WK47 = 2005 JR122 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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