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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1822413483898452 4.6236e-08  
a 2.42385792352905 8.8186e-09 au
q 1.982130787239705 1.1058e-07 au
i 2.507555883043388 4.9298e-06 deg
node 215.8136389558255 7.5482e-05 deg
peri 182.3584733777809 7.6159e-05 deg
M 216.164017449286 9.6461e-06 deg
tp 2459751.211581780198
(2022-Jun-20.71158178)		 3.8149e-05 TDB
period 1378.348907728771
3.77		 7.5222e-06
2.059e-08		 d
yr
n .2611820548348708 1.4254e-09 deg/d
Q 2.865585059818394 1.0426e-08 au
   Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      7541 days (20.65 yr)  
   first obs. used      1999-10-03  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:09:17  

Additional Information
 Earth MOID = .988589 au 
 Jupiter MOID = 2.55097 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 15.86   n/a E2021B55  
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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