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JPL Small-Body Database Browser
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392952 (2012 WT20)
Classification: Main-belt Asteroid          SPK-ID: 2392952
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0420583523719435 8.7971e-08  
a 3.019573248064759 7.5447e-08 au
q 2.892574972384757 3.0239e-07 au
i 10.01925179650517 6.8838e-06 deg
node 46.20531381755973 5.1217e-05 deg
peri 84.63558245731528 9.8772e-05 deg
M 93.45665700989848 8.5866e-05 deg
tp 2458502.963986841627
(2019-Jan-19.46398684)
0.00045394 TDB
period 1916.535113363231
5.25
7.183e-05
1.967e-07
d
yr
n .1878389795677962 7.04e-09 deg/d
Q 3.146571523744761 7.8621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      5398 days (14.78 yr)  
   first obs. used      2004-05-24  
   last obs. used      2019-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67349  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:23:26  

Additional Information
 Earth MOID = 1.92972 au 
 Jupiter MOID = 1.90009 au 
 T_jup = 3.222 
[ 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 16.1   n/a MPO472034  

392952 (2012 WT20)          Discovered 2009-Mar-18 by CSS at Catalina
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 WT20 = 2014 DB13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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