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JPL Small-Body Database Browser
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20679 (1999 VU9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2020679
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08793932695369572 3.8052e-08  
a 3.219578684949767 2.2628e-08 au
q 2.93645110232082 1.2312e-07 au
i 16.79534236887047 4.7923e-06 deg
node 134.1285643225575 1.6703e-05 deg
peri 303.0268617974229 3.4589e-05 deg
M 94.37753146481691 3.0736e-05 deg
tp 2458047.324285944859
(2017-Oct-20.82428594)		 0.00017892 TDB
period 2110.070627711741
5.78		 2.2245e-05
6.09e-08		 d
yr
n .1706104029277924 1.7986e-09 deg/d
Q 3.502706267578715 2.4618e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1508  
   data-arc span      25286 days (69.23 yr)  
   first obs. used      1950-02-17  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45924  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:54:40  

Additional Information
 Earth MOID = 1.98894 au 
 Jupiter MOID = 1.71196 au 
 T_jup = 3.116 
[ 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 12.7   n/a MPO474037  
diameter diameter 17.101 km 0.259 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20679 (1999 VU9)          Discovered 1999-Nov-09 by Juels, C. W. at Fountain Hills
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VU9 = 1998 OU4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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