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JPL Small-Body Database Browser
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392948 (2012 WJ13)
Classification: Main-belt Asteroid          SPK-ID: 2392948
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1163047794504621 7.7587e-08  
a 3.066445251359751 5.5149e-08 au
q 2.709803012703438 2.3963e-07 au
i 2.724393928542293 9.2142e-06 deg
node 168.9339259391342 0.00017184 deg
peri 263.499014294299 0.0001781 deg
M 135.2210937978726 4.5973e-05 deg
tp 2458263.795719199957
(2018-May-25.29571920)
0.00024173 TDB
period 1961.332611940373
5.37
5.2911e-05
1.449e-07
d
yr
n .1835486739007756 4.9516e-09 deg/d
Q 3.423087490016063 6.1564e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4986 days (13.65 yr)  
   first obs. used      2006-08-28  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:25:17  

Additional Information
 Earth MOID = 1.72623 au 
 Jupiter MOID = 1.83869 au 
 T_jup = 3.220 
[ 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 17.1   n/a MPO427955  

392948 (2012 WJ13)          Discovered 2006-Aug-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

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