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392987 (2012 XJ64)
Classification: Main-belt Asteroid          SPK-ID: 2392987
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017329157185785 6.3033e-08  
a 2.868005123585092 4.5359e-08 au
q 2.576234600066958 1.6717e-07 au
i 6.227043891882674 8.9114e-06 deg
node 156.3588988663311 8.1995e-05 deg
peri 317.2456365650647 0.00011402 deg
M 161.4263127592004 8.3578e-05 deg
tp 2458205.000085586540
(2018-Mar-27.50008559)
0.00040029 TDB
period 1774.060029581661
4.86
4.2086e-05
1.152e-07
d
yr
n .2029243621958447 4.814e-09 deg/d
Q 3.159775647103225 4.9973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      5564 days (15.23 yr)  
   first obs. used      2004-02-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:47:30  

Additional Information
 Earth MOID = 1.59669 au 
 Jupiter MOID = 1.92663 au 
 T_jup = 3.283 
[ 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 16.9   n/a MPO472035  

392987 (2012 XJ64)          Discovered 2004-Feb-14 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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