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56326 (1999 VV203)
Classification: Outer Main-belt Asteroid          SPK-ID: 2056326
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0323134710073167 4.6566e-08  
a 3.240851599864206 2.4909e-08 au
q 3.136128435652978 1.474e-07 au
i 21.82420592870687 4.824e-06 deg
node 25.12461366272408 1.0903e-05 deg
peri 10.50640218454661 6.8291e-05 deg
M 150.3791867432916 6.5662e-05 deg
tp 2458110.331185802496
(2017-Dec-22.83118580)
0.00039014 TDB
period 2131.018128580198
5.83
2.4569e-05
6.727e-08
d
yr
n .1689333352784999 1.9476e-09 deg/d
Q 3.345574764075435 2.5714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      10493 days (28.73 yr)  
   first obs. used      1991-04-15  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:17:55  

Additional Information
 Earth MOID = 2.14209 au 
 Jupiter MOID = 1.81724 au 
 T_jup = 3.070 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457043.5 (2015-Jan-21.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03234861076145613 4.6308e-08  
q 3.135751880599756 1.4676e-07 au
tp 2455994.925949595956
(2012-Mar-08.42594960)
0.00039699 TDB
node 25.15713692506133 1.0902e-05 deg
peri 13.32252339790457 6.8726e-05 deg
i 21.82589577429235 4.8243e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1563  
   data-arc span      10493 days (28.73 yr)  
   first obs. used      1991-04-15  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 09:17:55  

Additional Information
 Jupiter MOID = 1.81724 au 
 T_jup = 3.070 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.144400920633529E-15 -6.708830435293731E-15 -2.332957944976987E-12 -5.460635594767692E-15 -4.3046234479006E-13 -2.477969091708371E-15
q -6.708830435293731E-15 2.153729021668079E-14 5.370038794754275E-12 1.598238964267331E-14 1.062794901748448E-12 1.134559977953518E-14
tp -2.332957944976987E-12 5.370038794754275E-12 1.575985538672097E-7 6.070504263066744E-12 2.694628805271659E-8 -6.543297180633273E-11
node -5.460635594767692E-15 1.598238964267331E-14 6.070504263066744E-12 1.188474433707771E-10 -1.089691283228709E-10 5.270014495159179E-12
peri -4.3046234479006E-13 1.062794901748448E-12 2.694628805271659E-8 -1.089691283228709E-10 4.723325521257147E-9 -1.568891920965733E-11
i -2.477969091708371E-15 1.134559977953518E-14 -6.543297180633273E-11 5.270014495159179E-12 -1.568891920965733E-11 2.327354603146594E-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 12.2   n/a MPO385179  
diameter diameter 19.019 km 0.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56326 (1999 VV203)          Discovered 1999-Nov-09 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VV203 = 2000 RE76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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