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JPL Small-Body Database Browser
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390258 (2012 XZ129)
Classification: Main-belt Asteroid          SPK-ID: 2390258
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073360028196244 1.1166e-07  
a 3.192397218339818 6.0202e-08 au
q 2.849738061510734 3.519e-07 au
i 5.074277350702169 1.2591e-05 deg
node 13.66596826671079 9.1527e-05 deg
peri 129.8466053800727 0.00010612 deg
M 53.81948042334829 5.9928e-05 deg
tp 2458689.033880271844
(2019-Jul-24.53388027)
0.00034131 TDB
period 2083.405529375795
5.70
5.8933e-05
1.613e-07
d
yr
n .1727940119789635 4.8878e-09 deg/d
Q 3.535056375168902 6.6663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      90  
   data-arc span      6196 days (16.96 yr)  
   first obs. used      2000-11-26  
   last obs. used      2017-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .7101  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:59:05  

Additional Information
 Earth MOID = 1.86534 au 
 Jupiter MOID = 1.4774 au 
 T_jup = 3.181 
[ 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 16.3   n/a MPO427945  

390258 (2012 XZ129)          Discovered 2006-Oct-21 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XZ129 = 2011 SO269 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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