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59651 (1999 JK91)
Classification: Main-belt Asteroid          SPK-ID: 2059651
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823869725764972 3.8174e-08  
a 3.15115037912224 2.0981e-08 au
q 2.576421601340853 1.1903e-07 au
i 21.20223229519809 4.5543e-06 deg
node 97.52735048674296 1.149e-05 deg
peri 260.1729074696362 1.6975e-05 deg
M 150.7513711206048 1.4279e-05 deg
tp 2458144.919474851356
(2018-Jan-26.41947485)
7.8304e-05 TDB
period 2043.158790291181
5.59
2.0406e-05
5.587e-08
d
yr
n .1761977589361493 1.7597e-09 deg/d
Q 3.725879156903627 2.4808e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1446  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46321  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:48:05  

Additional Information
 Earth MOID = 1.67084 au 
 Jupiter MOID = 1.96596 au 
 T_jup = 3.078 
[ 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 13.4   n/a MPO493291  
diameter diameter 13.450 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59651 (1999 JK91)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030614/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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