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21896 (1999 VM6)
Classification: Main-belt Asteroid          SPK-ID: 2021896
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684561560592241 3.8246e-08  
a 3.180894452158277 2.2421e-08 au
q 2.645053199917582 1.2959e-07 au
i 5.759898475657396 4.2586e-06 deg
node 118.7415698669465 3.5853e-05 deg
peri 238.2714132281981 3.7824e-05 deg
M 342.6770549880077 1.3885e-05 deg
tp 2459496.210648518180
(2021-Oct-08.71064852)		 8.0562e-05 TDB
period 2072.155366289907
5.67		 2.1909e-05
5.998e-08		 d
yr
n .1737321466606833 1.8369e-09 deg/d
Q 3.716735704398972 2.6198e-08 au
   Orbit Determination Parameters
   # obs. used (total)      942  
   data-arc span      10084 days (27.61 yr)  
   first obs. used      1993-11-11  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5348  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 14:04:40  

Additional Information
 Earth MOID = 1.64559 au 
 Jupiter MOID = 1.74605 au 
 T_jup = 3.169 
[ 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 14.34   n/a E2021B10  
diameter diameter 8.109 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21896 (1999 VM6)          Discovered 1999-Nov-07 by Urata, T. at Oohira
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 VM6 = 1995 AJ2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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