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437216 (2012 WS19)
Classification: Main-belt Asteroid          SPK-ID: 2437216
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09327002861320677 6.9821e-08  
a 3.032835367196671 7.2328e-08 au
q 2.749962725719092 2.2073e-07 au
i 11.21750889614168 8.1749e-06 deg
node 258.4954839016942 4.002e-05 deg
peri 309.4421627517551 5.8617e-05 deg
M 12.62066258680886 4.4135e-05 deg
tp 2458932.868139288351
(2020-Mar-24.36813929)		 0.00023584 TDB
period 1929.175246444009
5.28		 6.9011e-05
1.889e-07		 d
yr
n .1866082413526595 6.6754e-09 deg/d
Q 3.315708008674251 7.9073e-08 au
   Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      4525 days (12.39 yr)  
   first obs. used      2007-12-04  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49042  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:40:03  

Additional Information
 Earth MOID = 1.759 au 
 Jupiter MOID = 1.76593 au 
 T_jup = 3.207 
[ 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 15.8   n/a MPO428068  

437216 (2012 WS19)          Discovered 2007-Dec-04 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

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Alternate Designations
 2012 WS19 = 2007 YW53 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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