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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04098448243184642 5.676e-08  
a 3.023441075099741 4.8735e-08 au
q 2.899526907473593 1.6183e-07 au
i 10.01231231439534 6.052e-06 deg
node 46.15405380293267 3.4121e-05 deg
peri 85.81080387883192 8.7906e-05 deg
M 166.6671793804651 8.4504e-05 deg
tp 2458507.507135560266
(2019-Jan-24.00713556)
0.00044162 TDB
period 1920.218680054145
5.26
4.6428e-05
1.271e-07
d
yr
n .1874786469579855 4.5329e-09 deg/d
Q 3.147355242725889 5.0732e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6282 days (17.20 yr)  
   first obs. used      2004-05-24  
   last obs. used      2021-08-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .6657  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 04:41:47  

Additional Information
 Earth MOID = 1.93703 au 
 Jupiter MOID = 1.89356 au 
 T_jup = 3.221 
[ 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 16.25   n/a E2021B25  

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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