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392997 (2012 XM118)
Classification: Outer Main-belt Asteroid          SPK-ID: 2392997
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05889293536694473 5.0528e-08  
a 3.239279933935984 5.2179e-08 au
q 3.048509230151251 1.551e-07 au
i 11.76649193415505 6.105e-06 deg
node 73.59579178755644 3.3343e-05 deg
peri 34.96781744292214 7.7668e-05 deg
M 94.80503464682747 6.8245e-05 deg
tp 2458439.710274015208
(2018-Nov-17.21027402)
0.00040259 TDB
period 2129.468145933333
5.83
5.1453e-05
1.409e-07
d
yr
n .1690562973141888 4.0848e-09 deg/d
Q 3.430050637720717 5.5252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      7059 days (19.33 yr)  
   first obs. used      2000-12-29  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48421  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 01:25:17  

Additional Information
 Earth MOID = 2.07325 au 
 Jupiter MOID = 1.79418 au 
 T_jup = 3.149 
[ 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 MPO472035  

392997 (2012 XM118)          Discovered 2006-Nov-25 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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