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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823869711303729 3.8502e-08  
a 3.15115037988928 2.1199e-08 au
q 2.576421606524951 1.2043e-07 au
i 21.20223205266112 4.7274e-06 deg
node 97.52735128148338 1.1816e-05 deg
peri 260.1729059090668 1.7508e-05 deg
M 150.7513716675121 1.4478e-05 deg
tp 2458144.919471435023
(2018-Jan-26.41947143)
7.9694e-05 TDB
period 2043.158791037188
5.59
2.0618e-05
5.645e-08
d
yr
n .1761977588718153 1.778e-09 deg/d
Q 3.72587915325361 2.5066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      7574 days (20.74 yr)  
   first obs. used      1999-05-12  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47172  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:34  

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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