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117012 (2004 JZ4)
Classification: Main-belt Asteroid          SPK-ID: 2117012
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1631948840514951 4.1505e-08  
a 2.757770761804603 2.1069e-08 au
q 2.307716682091298 1.1884e-07 au
i .6203053327666207 6.2324e-06 deg
node 354.2265762350156 0.00036144 deg
peri 239.120621723669 0.00036205 deg
M 182.0704769648286 2.473e-05 deg
tp 2459827.263290250241
(2022-Sep-04.76329025)		 0.00012133 TDB
period 1672.767843205275
4.58		 1.917e-05
5.248e-08		 d
yr
n .2152121715289468 2.4663e-09 deg/d
Q 3.207824841517908 2.4507e-08 au
   Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      7545 days (20.66 yr)  
   first obs. used      1999-03-22  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61659  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:47:05  

Additional Information
 Earth MOID = 1.29674 au 
 Jupiter MOID = 1.79111 au 
 T_jup = 3.323 
[ 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 MPO453640  
diameter diameter 4.049 km 1.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117012 (2004 JZ4)          Discovered 2004-May-11 by Broughton, J. at Reedy Creek
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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