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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260743306025841 4.8456e-08  
a 2.438463596504196 2.0318e-08 au
q 2.13103593087616 1.164e-07 au
i 6.316628437561217 7.5309e-06 deg
node 356.4911321898804 6.3099e-05 deg
peri 320.2993649391655 7.6381e-05 deg
M 147.1773087542756 4.6634e-05 deg
tp 2458431.894314300514
(2018-Nov-09.39431430)		 0.00017598 TDB
period 1390.826130633866
3.81		 1.7383e-05
4.759e-08		 d
yr
n .2588389677694153 3.2351e-09 deg/d
Q 2.745891262132232 2.288e-08 au
   Orbit Determination Parameters
   # obs. used (total)      327  
   data-arc span      8429 days (23.08 yr)  
   first obs. used      1996-12-06  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54571  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 17:04:09  

Additional Information
 Earth MOID = 1.1225 au 
 Jupiter MOID = 2.54156 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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