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120668 (1996 XM8)
Classification: Main-belt Asteroid          SPK-ID: 2120668
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1261339987406376 4.8113e-08  
a 2.438377850566195 2.0235e-08 au
q 2.13081550183368 1.1575e-07 au
i 6.317178700157357 7.3281e-06 deg
node 356.4857375951722 6.0555e-05 deg
peri 320.3548341877566 7.3611e-05 deg
M 198.8814870665775 4.6414e-05 deg
tp 2459822.933384195800
(2022-Aug-31.43338420)		 0.00018434 TDB
period 1390.752770931302
3.81		 1.7311e-05
4.739e-08		 d
yr
n .2588526210585438 3.2221e-09 deg/d
Q 2.74594019929871 2.2787e-08 au
   Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      8780 days (24.04 yr)  
   first obs. used      1996-12-06  
   last obs. used      2020-12-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:40  

Additional Information
 Earth MOID = 1.12032 au 
 Jupiter MOID = 2.5412 au 
 T_jup = 3.484 
[ 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 MPO493689  

120668 (1996 XM8)          Discovered 1996-Dec-06 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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Alternate Designations
 1996 XM8 = 2003 NF6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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