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308131 (2004 XE147)
Classification: Main-belt Asteroid          SPK-ID: 2308131
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2442198755280616 4.0199e-08  
a 2.300594995222963 1.5952e-08 au
q 1.738743971849129 8.866e-08 au
i 24.62039470117037 4.7239e-06 deg
node 115.548712975556 1.7244e-05 deg
peri 337.2821297543077 2.2723e-05 deg
M 179.1248927580995 1.5831e-05 deg
tp 2458366.320607665638
(2018-Sep-04.82060767)
5.3879e-05 TDB
period 1274.555298959401
3.49
1.3256e-05
3.629e-08
d
yr
n .2824514560442522 2.9377e-09 deg/d
Q 2.862446018596796 1.9848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      420  
   data-arc span      6742 days (18.46 yr)  
   first obs. used      2000-12-29  
   last obs. used      2019-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53654  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:57:32  

Additional Information
 Earth MOID = .7698 au 
 Jupiter MOID = 2.34098 au 
 T_jup = 3.434 
[ 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 16.0   n/a MPO476376  

308131 (2004 XE147)          Discovered 2004-Dec-15 by LINEAR at Socorro
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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