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134645 (1999 VZ4)
Classification: Main-belt Asteroid          SPK-ID: 2134645
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822411684302919 4.6292e-08  
a 2.423813684667057 8.9763e-09 au
q 1.982095046716001 1.1061e-07 au
i 2.50759106758062 4.9366e-06 deg
node 215.8149201003363 7.8089e-05 deg
peri 182.3962226076327 7.8817e-05 deg
M 163.8722185897847 9.7857e-06 deg
tp 2458373.091917306464
(2018-Sep-11.59191731)		 3.6581e-05 TDB
period 1378.311172652622
3.77		 7.6566e-06
2.096e-08		 d
yr
n .2611892054151775 1.4509e-09 deg/d
Q 2.865532322618113 1.0612e-08 au
   Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      7511 days (20.56 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52071  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:21:05  

Additional Information
 Earth MOID = .989617 au 
 Jupiter MOID = 2.54989 au 
 T_jup = 3.488 
[ 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 15.8   n/a MPO264221  
diameter diameter 3.976 km 0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134645 (1999 VZ4)          Discovered 1999-Nov-05 by Korlevic, K. at Visnjan
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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