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102640 (1999 VO39)
Classification: Main-belt Asteroid          SPK-ID: 2102640
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1196148650183839 3.8404e-08  
a 2.690917201837531 1.6777e-08 au
q 2.369043503964088 1.0264e-07 au
i 14.12205980722657 5.8251e-06 deg
node 56.58392456612042 1.8043e-05 deg
peri 82.16685166966103 3.0172e-05 deg
M 214.0855227560852 2.5234e-05 deg
tp 2459853.998826567420
(2022-Oct-01.49882657)		 0.00011513 TDB
period 1612.311416988491
4.41		 1.5078e-05
4.128e-08		 d
yr
n .2232819269322148 2.0881e-09 deg/d
Q 3.012790899710975 1.8784e-08 au
   Orbit Determination Parameters
   # obs. used (total)      442  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1999-11-09  
   last obs. used      2020-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55809  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:53:31  

Additional Information
 Earth MOID = 1.43173 au 
 Jupiter MOID = 2.15825 au 
 T_jup = 3.318 
[ 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 15.52   n/a E2021B55  
diameter diameter 2.268 km 0.648 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.238   0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

102640 (1999 VO39)          Discovered 1999-Nov-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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