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173911 (2001 VS31)
Classification: Main-belt Asteroid          SPK-ID: 2173911
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212191223433125 3.8363e-08  
a 3.148348994682193 2.6676e-08 au
q 2.480296969706129 1.1417e-07 au
i 17.16405535446048 7.1053e-06 deg
node 67.95603711917362 1.6046e-05 deg
peri 56.07183040800291 2.5505e-05 deg
M 79.27409200881149 1.8144e-05 deg
tp 2458551.184392697244
(2019-Mar-08.68439270)
0.0001008 TDB
period 2040.434832240185
5.59
2.5933e-05
7.1e-08
d
yr
n .1764329810056994 2.2424e-09 deg/d
Q 3.816401019658257 3.2337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      400  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 10:16:10  

Additional Information
 Earth MOID = 1.54015 au 
 Jupiter MOID = 1.62752 au 
 T_jup = 3.105 
[ 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 15.2   n/a MPO469865  

173911 (2001 VS31)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 VS31 = 2001 YM26 = 2003 FB116 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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