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390263 (2012 XM135)
Classification: Main-belt Asteroid          SPK-ID: 2390263
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1329507620122026 8.0045e-08  
a 3.109634619273062 4.5079e-08 au
q 2.696206327061183 2.6281e-07 au
i 9.260867632053037 5.9781e-06 deg
node 90.66347633331148 5.9265e-05 deg
peri 324.3075384758181 6.7218e-05 deg
M 142.8518677786199 3.2145e-05 deg
tp 2458205.721897316208
(2018-Mar-28.22189732)
0.00017217 TDB
period 2002.914777492237
5.48
4.3553e-05
1.192e-07
d
yr
n .1797380517860777 3.9083e-09 deg/d
Q 3.52306291148494 5.1072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      8569 days (23.46 yr)  
   first obs. used      1996-12-08  
   last obs. used      2020-05-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66801  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:42:26  

Additional Information
 Earth MOID = 1.71486 au 
 Jupiter MOID = 1.82027 au 
 T_jup = 3.186 
[ 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 MPO437598  

390263 (2012 XM135)          Discovered 2007-Nov-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XM135 = 2008 AR72 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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