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19558 (1999 JK80)
Classification: Main-belt Asteroid          SPK-ID: 2019558
[ 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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187420223760297 3.5753e-08  
a 2.407146478542746 8.7813e-09 au
q 2.121317037525242 8.8023e-08 au
i 12.19604854558427 3.7195e-06 deg
node 105.4044016352836 1.8091e-05 deg
peri 22.46614783412497 2.4324e-05 deg
M 320.9260347493831 1.709e-05 deg
tp 2459148.559810734098
(2020-Oct-26.05981073)		 6.5108e-05 TDB
period 1364.118832639684
3.73		 7.4645e-06
2.044e-08		 d
yr
n .2639066270373013 1.4441e-09 deg/d
Q 2.69297591956025 9.824e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1667  
   data-arc span      25465 days (69.72 yr)  
   first obs. used      1950-05-10  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47083  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:50:33  

Additional Information
 Earth MOID = 1.14166 au 
 Jupiter MOID = 2.39288 au 
 T_jup = 3.482 
[ 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 14.0   n/a MPO502316  
diameter diameter 6.332 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19558 (1999 JK80)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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