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JPL Small-Body Database Browser
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437270 (2012 XM139)
Classification: Main-belt Asteroid          SPK-ID: 2437270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2605969774766984 1.4238e-07  
a 2.558402259916686 4.3982e-08 au
q 1.891690363812843 3.7955e-07 au
i 5.135992469769473 1.3776e-05 deg
node 224.9576188387055 7.063e-05 deg
peri 163.143523161662 7.5406e-05 deg
M 232.2933167106846 2.0615e-05 deg
tp 2459130.728169695495
(2020-Oct-08.22816970)
8.6386e-05 TDB
period 1494.691868693675
4.09
3.8543e-05
1.055e-07
d
yr
n .2408523171499096 6.2108e-09 deg/d
Q 3.225114156020529 5.5444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      3991 days (10.93 yr)  
   first obs. used      2008-07-30  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56223  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:37:28  

Additional Information
 Earth MOID = .896756 au 
 Jupiter MOID = 2.22723 au 
 T_jup = 3.382 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO419194  

437270 (2012 XM139)          Discovered 2008-Jul-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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