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173910 (2001 VF31)
Classification: Main-belt Asteroid          SPK-ID: 2173910
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07003199478357128 3.9623e-08  
a 3.123281894301378 2.4895e-08 au
q 2.904552232972041 1.2347e-07 au
i 9.720743064169817 4.4335e-06 deg
node 68.83933996927223 2.5813e-05 deg
peri 22.47574101937905 4.1892e-05 deg
M 109.3949150283876 3.2951e-05 deg
tp 2458387.853669262049
(2018-Sep-26.35366926)
0.00018348 TDB
period 2016.114542512601
5.52
2.4105e-05
6.6e-08
d
yr
n .1785612833045422 2.1349e-09 deg/d
Q 3.342011555630715 2.6639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      600  
   data-arc span      6760 days (18.51 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52804  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:32:08  

Additional Information
 Earth MOID = 1.9235 au 
 Jupiter MOID = 1.879 au 
 T_jup = 3.190 
[ 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 15.0   n/a MPO338381  

173910 (2001 VF31)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

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