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332788 (2009 VC81)
Classification: Main-belt Asteroid          SPK-ID: 2332788
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0672761075406966 6.6081e-08  
a 3.136483733187726 6.8035e-08 au
q 2.925473316254143 2.0984e-07 au
i 13.57686503058124 6.7058e-06 deg
node 227.3730445864054 3.161e-05 deg
peri 235.7726114813759 8.6234e-05 deg
M 274.648476873052 8.7413e-05 deg
tp 2459481.529555277004
(2021-Sep-24.02955528)
0.00050113 TDB
period 2028.910950331318
5.55
6.6015e-05
1.807e-07
d
yr
n .1774350914421417 5.7733e-09 deg/d
Q 3.347494150121309 7.2612e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      4102 days (11.23 yr)  
   first obs. used      2008-07-29  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56786  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:46:20  

Additional Information
 Earth MOID = 1.96554 au 
 Jupiter MOID = 1.92839 au 
 T_jup = 3.165 
[ 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 15.7   n/a MPO455451  
diameter diameter 5.128 km 0.562 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

332788 (2009 VC81)          Discovered 2009-Nov-14 by La Sagra at La Sagra
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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