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437265 (2012 XG123)
Classification: Main-belt Asteroid          SPK-ID: 2437265
[ 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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09698698760320743 7.009e-08  
a 3.088844794826373 5.0511e-08 au
q 2.789267043002315 2.2322e-07 au
i 10.42533692661457 6.2121e-06 deg
node 127.8614358014151 4.5295e-05 deg
peri 309.8417855328138 6.0038e-05 deg
M 134.4687278611874 3.9003e-05 deg
tp 2458259.852855744187
(2018-May-21.35285574)		 0.00020804 TDB
period 1982.862306895169
5.43		 4.8638e-05
1.332e-07		 d
yr
n .1815557231322329 4.4534e-09 deg/d
Q 3.38842254665043 5.541e-08 au
   Orbit Determination Parameters
   # obs. used (total)      122  
   data-arc span      4482 days (12.27 yr)  
   first obs. used      2008-01-15  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:40:36  

Additional Information
 Earth MOID = 1.81878 au 
 Jupiter MOID = 1.82586 au 
 T_jup = 3.193 
[ 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 16.5   n/a MPO434608  

437265 (2012 XG123)          Discovered 2008-Jan-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

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Alternate Designations
 2012 XG123 = 2008 AT107 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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