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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147968148893009 6.6032e-08  
a 2.531465587583135 9.7454e-09 au
q 2.240861401126718 1.6876e-07 au
i 5.657829379848727 7.2795e-06 deg
node 52.55573501494724 4.0774e-05 deg
peri 182.5872311459735 4.6858e-05 deg
M 79.53426688607574 2.1404e-05 deg
tp 2458675.481373702781
(2019-Jul-10.98137370)
8.7347e-05 TDB
period 1471.148349611349
4.03
8.4952e-06
2.326e-08
d
yr
n .2447067966293852 1.4131e-09 deg/d
Q 2.822069774039551 1.0864e-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 = 1.22942 au 
 Jupiter MOID = 2.17013 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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