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JPL Small-Body Database Browser
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59517 (1999 JA16)
Classification: Main-belt Asteroid          SPK-ID: 2059517
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143802821578187 6.6059e-08  
a 2.531521806798604 9.5216e-09 au
q 2.241965628248309 1.6854e-07 au
i 5.660515126467383 7.2828e-06 deg
node 52.58561923718768 4.0736e-05 deg
peri 182.9014872412271 4.6895e-05 deg
M 341.3921423843236 2.1549e-05 deg
tp 2458676.543974851134
(2019-Jul-12.04397485)
8.8078e-05 TDB
period 1471.197357150094
4.03
8.3002e-06
2.272e-08
d
yr
n .2446986451208478 1.3805e-09 deg/d
Q 2.821077985348899 1.0611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1273  
   data-arc span      7308 days (20.01 yr)  
   first obs. used      1999-05-08  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49762  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:07  

Additional Information
 Earth MOID = 1.23041 au 
 Jupiter MOID = 2.17217 au 
 T_jup = 3.435 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO474476  
diameter diameter 4.292 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.220   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59517 (1999 JA16)          Discovered 1999-May-15 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JA16 = 2000 QO208 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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