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JPL Small-Body Database Browser
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59641 (1999 JS85)
Classification: Main-belt Asteroid          SPK-ID: 2059641
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2104768847348662 4.3789e-08  
a 2.248344861151051 1.0055e-08 au
q 1.775120238966333 1.0223e-07 au
i 5.340396821409038 4.2043e-06 deg
node 169.9548621263166 3.709e-05 deg
peri 182.0537600492067 3.7998e-05 deg
M 230.4846895159243 1.08e-05 deg
tp 2459043.507854348579
(2020-Jul-13.00785435)
3.9034e-05 TDB
period 1231.382042550849
3.37
8.2606e-06
2.262e-08
d
yr
n .2923544339287651 1.9612e-09 deg/d
Q 2.72156948333577 1.2172e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1041  
   data-arc span      8829 days (24.17 yr)  
   first obs. used      1995-03-08  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:26  

Additional Information
 Earth MOID = .768668 au 
 Jupiter MOID = 2.71062 au 
 T_jup = 3.594 
[ 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 15.4   n/a MPO324833  

59641 (1999 JS85)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JS85 = 1976 SZ1 = 2000 WC163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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