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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2559321320449575 3.6697e-08  
a 2.584947439067025 9.4932e-09 au
q 1.923376329762449 9.278e-08 au
i 6.997032876801756 4.4198e-06 deg
node 100.3085936177251 3.4151e-05 deg
peri 347.0726477339532 3.5406e-05 deg
M 138.5672328431818 9.074e-06 deg
tp 2458416.202476480900
(2018-Oct-24.70247648)
3.7507e-05 TDB
period 1518.014787124517
4.16
8.3623e-06
2.289e-08
d
yr
n .2371518400567929 1.3064e-09 deg/d
Q 3.246518548371601 1.1923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1123  
   data-arc span      17315 days (47.41 yr)  
   first obs. used      1972-12-01  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:48:27  

Additional Information
 Earth MOID = .940519 au 
 Jupiter MOID = 1.98521 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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