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JPL Small-Body Database Browser
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390209 (2012 XM11)
Classification: Main-belt Asteroid          SPK-ID: 2390209
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03371495995911954 9.476e-08  
a 2.753546901559949 4.4569e-08 au
q 2.660711178028298 2.4111e-07 au
i .615042915577265 8.7396e-06 deg
node 141.8094877780353 0.00082377 deg
peri 303.4951324340422 0.00083816 deg
M 120.0398913057347 0.00015751 deg
tp 2458044.006319312893
(2017-Oct-17.50631931)
0.00072518 TDB
period 1668.926245002254
4.57
4.052e-05
1.109e-07
d
yr
n .2157075551289648 5.2372e-09 deg/d
Q 2.846382625091601 4.6071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      7020 days (19.22 yr)  
   first obs. used      2000-02-04  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .75944  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:04:41  

Additional Information
 Earth MOID = 1.6768 au 
 Jupiter MOID = 2.21542 au 
 T_jup = 3.344 
[ 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 17.5   n/a MPO434436  

390209 (2012 XM11)          Discovered 2007-Sep-12 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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