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379092 (2008 XM31)
Classification: Main-belt Asteroid          SPK-ID: 2379092
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352397074269482 1.2711e-07  
a 3.05738542159092 5.7059e-08 au
q 2.643905511683548 3.8468e-07 au
i 3.829680594922605 1.0597e-05 deg
node 301.1026205947672 0.00014592 deg
peri 177.2598967803924 0.00016907 deg
M 13.91104624563184 7.5118e-05 deg
tp 2458925.046219192875
(2020-Mar-16.54621919)		 0.00040676 TDB
period 1952.646882982984
5.35		 5.4662e-05
1.497e-07		 d
yr
n .1843651318307188 5.1611e-09 deg/d
Q 3.470865331498293 6.4776e-08 au
   Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      7634 days (20.90 yr)  
   first obs. used      1999-02-09  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55913  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:34:17  

Additional Information
 Earth MOID = 1.66005 au 
 Jupiter MOID = 1.61897 au 
 T_jup = 3.217 
[ 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 16.8   n/a MPO455729  

379092 (2008 XM31)          Discovered 2008-Dec-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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