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JPL Small-Body Database Browser
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390229 (2012 XN43)
Classification: Main-belt Asteroid          SPK-ID: 2390229
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025874127928591 6.3769e-08  
a 2.9727543780587 3.4833e-08 au
q 2.667787197545013 1.9105e-07 au
i 1.585786656125891 1.0045e-05 deg
node 34.01858413133088 0.0002572 deg
peri 90.7019918979299 0.00026391 deg
M 49.75685295274071 5.37e-05 deg
tp 2458341.745821795487
(2018-Aug-11.24582180)
0.00027951 TDB
period 1872.134160938603
5.13
3.2905e-05
9.009e-08
d
yr
n .1922939111476457 3.3798e-09 deg/d
Q 3.277721558572387 3.8406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      7818 days (21.40 yr)  
   first obs. used      1997-12-31  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:06:47  

Additional Information
 Earth MOID = 1.68422 au 
 Jupiter MOID = 1.77498 au 
 T_jup = 3.254 
[ 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 16.4   n/a MPO434436  

390229 (2012 XN43)          Discovered 1997-Dec-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XN43 = 1997 YM19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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