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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187420245976926 3.5595e-08  
a 2.407146478779378 8.5567e-09 au
q 2.121317032385908 8.7501e-08 au
i 12.19604857064157 3.7123e-06 deg
node 105.4044010367158 1.7896e-05 deg
peri 22.46614844690147 2.4025e-05 deg
M 320.9260345891688 1.6654e-05 deg
tp 2459148.559811363017
(2020-Oct-26.05981136)
6.3424e-05 TDB
period 1364.118832840831
3.73
7.2735e-06
1.991e-08
d
yr
n .2639066269983868 1.4072e-09 deg/d
Q 2.692975925172848 9.5727e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      25741 days (70.48 yr)  
   first obs. used      1950-05-10  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:08:01  

Additional Information
 Earth MOID = 1.14166 au 
 Jupiter MOID = 2.39288 au 
 T_jup = 3.482 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456860.5 (2014-Jul-22.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178874725734039 3.5639e-08  
q 2.123499878133193 8.7514e-08 au
tp 2456420.157503330720
(2013-May-07.65750333)
5.9547e-05 TDB
node 105.4615585223569 1.7908e-05 deg
peri 22.44836059411256 2.4115e-05 deg
i 12.19121766478543 3.711e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1737  
   data-arc span      25741 days (70.48 yr)  
   first obs. used      1950-05-10  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4749  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:08:01  

Additional Information
 Jupiter MOID = 2.39288 au 
 T_jup = 3.482 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.270110075000506E-15 -3.107668791419231E-15 1.390436137181762E-13 3.798824024671155E-15 5.557094524654124E-14 8.849741138506437E-16
q -3.107668791419231E-15 7.658779275944295E-15 -2.504294792414048E-13 -9.608381971620031E-15 -1.09034840886436E-13 -1.809335719180591E-15
tp 1.390436137181762E-13 -2.504294792414048E-13 3.545891910635549E-9 -1.40782770733933E-11 9.751437032550617E-10 3.833021073433138E-12
node 3.798824024671155E-15 -9.608381971620031E-15 -1.40782770733933E-11 3.207041861114918E-10 -3.168235489848315E-10 6.079913862086345E-12
peri 5.557094524654124E-14 -1.09034840886436E-13 9.751437032550617E-10 -3.168235489848315E-10 5.815219207500464E-10 -4.951475085394717E-12
i 8.849741138506437E-16 -1.809335719180591E-15 3.833021073433138E-12 6.079913862086345E-12 -4.951475085394717E-12 1.377124515193601E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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