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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2121912222505525 3.8515e-08  
a 3.148348995168532 2.6707e-08 au
q 2.480296973812423 1.1478e-07 au
i 17.16405538888067 7.1054e-06 deg
node 67.95603476496956 1.6272e-05 deg
peri 56.07183234285863 2.5713e-05 deg
M 79.27409209599269 1.8165e-05 deg
tp 2458551.184392099000
(2019-Mar-08.68439210)
0.00010094 TDB
period 2040.434832712978
5.59
2.5963e-05
7.108e-08
d
yr
n .1764329809648178 2.245e-09 deg/d
Q 3.816401016524642 3.2374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      6811 days (18.65 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:27:26  

Additional Information
 Earth MOID = 1.54015 au 
 Jupiter MOID = 1.62752 au 
 T_jup = 3.105 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457645.5 (2016-Sep-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131811534926102 3.8487e-08  
q 2.477729894499864 1.1492e-07 au
tp 2458551.043110334623
(2019-Mar-08.54311033)
0.00010044 TDB
node 67.97218730191877 1.6275e-05 deg
peri 56.10175257651066 2.564e-05 deg
i 17.16339144591728 7.1052e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      6811 days (18.65 yr)  
   first obs. used      2001-10-24  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56953  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 03:27:26  

Additional Information
 Jupiter MOID = 1.62752 au 
 T_jup = 3.105 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.481269430405663E-15 -4.359206228382966E-15 -4.516357911005454E-13 6.941535269463611E-15 -1.647363984172364E-13 -3.197637156798913E-15
q -4.359206228382966E-15 1.320747983696614E-14 2.124404916194208E-12 -2.263261257845141E-14 6.034206141067822E-13 9.641243071918275E-15
tp -4.516357911005454E-13 2.124404916194208E-12 1.008855180752948E-8 -3.157187594450496E-11 1.996936187079482E-9 2.063527098220651E-12
node 6.941535269463611E-15 -2.263261257845141E-14 -3.157187594450496E-11 2.648614075998383E-10 -2.592817789799511E-10 -5.414659185989699E-11
peri -1.647363984172364E-13 6.034206141067822E-13 1.996936187079482E-9 -2.592817789799511E-10 6.574058175673652E-10 5.224512583445689E-11
i -3.197637156798913E-15 9.641243071918275E-15 2.063527098220651E-12 -5.414659185989699E-11 5.224512583445689E-11 5.048345036524178E-11

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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