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312925 (2011 WX39)
Classification: Main-belt Asteroid          SPK-ID: 2312925
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06009809382025873 4.2278e-08  
a 2.69305627444498 3.327e-08 au
q 2.531208725800149 1.2562e-07 au
i 16.55626065199496 5.6226e-06 deg
node 91.47916429291435 2.142e-05 deg
peri 209.4002790574918 7.9769e-05 deg
M 67.27595505539908 7.023e-05 deg
tp 2458698.835683723100
(2019-Aug-03.33568372)
0.00031749 TDB
period 1614.234294708368
4.42
2.9913e-05
8.19e-08
d
yr
n .2230159532480003 4.1327e-09 deg/d
Q 2.854903823089811 3.5269e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1992-04-27  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60067  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:34  

Additional Information
 Earth MOID = 1.52392 au 
 Jupiter MOID = 2.29371 au 
 T_jup = 3.309 
[ 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 16.1   n/a MPO437380  

312925 (2011 WX39)          Discovered 2005-May-09 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2011 WX39 = 2005 JS99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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