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120756 (1997 XN7)
Classification: Main-belt Asteroid          SPK-ID: 2120756
[ 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 .1554535111403162 5.5707e-08  
a 2.313302727199303 1.0695e-08 au
q 1.953691695925702 1.2974e-07 au
i 1.882821038690172 5.6924e-06 deg
node 207.1783471142753 0.00011967 deg
peri 160.0809283767257 0.00012036 deg
M 178.4155741071984 1.3052e-05 deg
tp 2458363.590990014769
(2018-Sep-02.09099001)		 4.6385e-05 TDB
period 1285.130206497103
3.52		 8.9122e-06
2.44e-08		 d
yr
n .2801272572848916 1.9426e-09 deg/d
Q 2.672913758472904 1.2358e-08 au
   Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      9207 days (25.21 yr)  
   first obs. used      1995-02-03  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:39:51  

Additional Information
 Earth MOID = .952545 au 
 Jupiter MOID = 2.79037 au 
 T_jup = 3.566 
[ 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 MPO469252  

120756 (1997 XN7)          Discovered 1997-Dec-05 by ODAS at Caussols
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1997 XN7 = 2003 LB2 = 2004 TQ53 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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