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JPL Small-Body Database Browser
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59685 (1999 JR108)
Classification: Main-belt Asteroid          SPK-ID: 2059685
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2563053891669238 3.7609e-08  
a 2.584602045413556 9.8397e-09 au
q 1.922154612322208 9.5489e-08 au
i 6.997096920125033 4.7605e-06 deg
node 100.308297773132 3.6456e-05 deg
peri 347.0559775741701 3.7939e-05 deg
M 43.67524519524695 9.6418e-06 deg
tp 2458416.371165807480
(2018-Oct-24.87116581)
4.0529e-05 TDB
period 1517.71054777091
4.16
8.667e-06
2.373e-08
d
yr
n .2371993793735826 1.3545e-09 deg/d
Q 3.247049478504905 1.2362e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      16956 days (46.42 yr)  
   first obs. used      1972-12-01  
   last obs. used      2019-05-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48799  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:15:33  

Additional Information
 Earth MOID = .939295 au 
 Jupiter MOID = 1.98525 au 
 T_jup = 3.366 
[ 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 14.7   n/a MPO474477  

59685 (1999 JR108)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JR108 = 1972 XX1 = 1997 WA53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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