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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099495161349118 4.3478e-08  
a 2.248641355144728 9.8735e-09 au
q 1.77654019067114 1.0153e-07 au
i 5.340356926874042 4.0577e-06 deg
node 169.9132245241003 3.5933e-05 deg
peri 181.9974112047563 3.6828e-05 deg
M 347.4515742701649 1.129e-05 deg
tp 2459043.430452000255
(2020-Jul-12.93045200)
3.8833e-05 TDB
period 1231.62562801373
3.37
8.1118e-06
2.221e-08
d
yr
n .2922966133634129 1.9251e-09 deg/d
Q 2.720742519618315 1.1946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1071  
   data-arc span      8882 days (24.32 yr)  
   first obs. used      1995-03-08  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56458  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:51:31  

Additional Information
 Earth MOID = .770968 au 
 Jupiter MOID = 2.71475 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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