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120996 (1998 XE79)
Classification: Main-belt Asteroid          SPK-ID: 2120996
[ 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 .1283914910841729 3.4852e-08  
a 2.272637232753944 1.0096e-08 au
q 1.980849949747257 7.9398e-08 au
i 7.853028917161649 4.0215e-06 deg
node 113.489624128564 3.0268e-05 deg
peri 345.4151002709384 3.5172e-05 deg
M 77.1159403956536 1.7508e-05 deg
tp 2458732.437995197451
(2019-Sep-05.93799520)		 6.0419e-05 TDB
period 1251.392659336055
3.43		 8.3392e-06
2.283e-08		 d
yr
n .287679488379773 1.9171e-09 deg/d
Q 2.564424515760632 1.1393e-08 au
   Orbit Determination Parameters
   # obs. used (total)      637  
   data-arc span      7722 days (21.14 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:25:23  

Additional Information
 Earth MOID = .998736 au 
 Jupiter MOID = 2.56951 au 
 T_jup = 3.588 
[ 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 16.2   n/a MPO359582  

120996 (1998 XE79)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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