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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 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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457010.5 (2014-Dec-19.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1801808917715433 3.8128e-08  
q 2.585381109911938 1.1873e-07 au
tp 2456101.297783348880
(2012-Jun-22.79778335)
7.6701e-05 TDB
node 97.5853002078065 1.1484e-05 deg
peri 260.2646397330868 1.7108e-05 deg
i 21.20029685602099 4.5538e-06 deg
  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
 Jupiter MOID = 1.96596 au 
 T_jup = 3.078 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.453777382966421E-15 -4.480656299372975E-15 6.979354905286804E-13 -5.094243276525119E-16 9.268780034546747E-14 1.555102137032775E-15
q -4.480656299372975E-15 1.409690946692355E-14 -2.215551961432614E-12 -3.031463332217007E-15 -2.679180711925138E-13 -3.438588054490812E-15
tp 6.979354905286804E-13 -2.215551961432614E-12 5.88300026927574E-9 5.450825322511651E-12 9.847039866937133E-10 -2.478604673559347E-12
node -5.094243276525119E-16 -3.031463332217007E-15 5.450825322511651E-12 1.318717333260453E-10 -1.226704769573548E-10 -6.950791806285208E-12
peri 9.268780034546747E-14 -2.679180711925138E-13 9.847039866937133E-10 -1.226704769573548E-10 2.926884049943247E-10 6.346914068767733E-12
i 1.555102137032775E-15 -3.438588054490812E-15 -2.478604673559347E-12 -6.950791806285208E-12 6.346914068767733E-12 2.073671707483604E-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 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

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