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437152 (2012 VG31)
Classification: Main-belt Asteroid          SPK-ID: 2437152
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07638880819620771 1.4559e-07  
a 3.167357757862804 1.1128e-07 au
q 2.925407073608652 4.4756e-07 au
i 15.95735351180766 1.8943e-05 deg
node 37.7614068859749 3.0028e-05 deg
peri 68.49763989123227 0.00015338 deg
M 67.37203602825649 0.00013741 deg
tp 2458615.180241987749
(2019-May-11.68024199)
0.00078983 TDB
period 2058.941974474869
5.64
0.0001085
2.971e-07
d
yr
n .1748470838241168 9.2141e-09 deg/d
Q 3.409308442116957 1.1978e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4009 days (10.98 yr)  
   first obs. used      2009-04-02  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:41:26  

Additional Information
 Earth MOID = 1.9853 au 
 Jupiter MOID = 1.82815 au 
 T_jup = 3.139 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457146.5 (2015-May-04.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07767295739131751 1.4416e-07  
q 2.920539389617907 4.4359e-07 au
tp 2456558.911627853593
(2013-Sep-23.41162785)
0.00080778 TDB
node 37.78778122460699 3.0025e-05 deg
peri 69.0241843983511 0.00015162 deg
i 15.96016866301647 1.8946e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      4009 days (10.98 yr)  
   first obs. used      2009-04-02  
   last obs. used      2020-03-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60896  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:41:26  

Additional Information
 Jupiter MOID = 1.82815 au 
 T_jup = 3.139 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.078223425568324E-14 -6.233387089025627E-14 -8.046363843572585E-11 8.011103255368768E-14 -1.555046888323397E-11 -3.79611055499969E-14
q -6.233387089025627E-14 1.967736491415921E-13 2.275238745280595E-10 -2.357051539009766E-13 4.474257907479604E-11 1.626014980309153E-13
tp -8.046363843572585E-11 2.275238745280595E-10 6.525067142090306E-7 -5.271317901670978E-10 1.198617291747577E-7 -2.094431600932021E-10
node 8.011103255368768E-14 -2.357051539009766E-13 -5.271317901670978E-10 9.015150602699174E-10 -9.634525312411222E-10 -4.782194924508019E-11
peri -1.555046888323397E-11 4.474257907479604E-11 1.198617291747577E-7 -9.634525312411222E-10 2.298997617824405E-8 1.447794315282711E-11
i -3.79611055499969E-14 1.626014980309153E-13 -2.094431600932021E-10 -4.782194924508019E-11 1.447794315282711E-11 3.589450256795918E-10

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 16.3   n/a MPO336229  

437152 (2012 VG31)          Discovered 2009-Apr-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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