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JPL Small-Body Database Browser
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59492 (1999 JU4)
Classification: Main-belt Asteroid          SPK-ID: 2059492
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 .2013787702650035 4.0412e-08  
a 2.655072464235478 1.5832e-08 au
q 2.120397236423265 1.0984e-07 au
i 15.2995866987425 5.0861e-06 deg
node 225.9022445818676 1.975e-05 deg
peri 38.71146742125236 2.5783e-05 deg
M 288.5804126231059 1.8864e-05 deg
tp 2459313.992987703695
(2021-Apr-09.49298770)
8.4544e-05 TDB
period 1580.203410834076
4.33
1.4134e-05
3.87e-08
d
yr
n .2278187716415458 2.0377e-09 deg/d
Q 3.189747692047692 1.902e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:46:16  

Additional Information
 Earth MOID = 1.12665 au 
 Jupiter MOID = 1.91731 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457332.5 (2015-Nov-06.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2015527231025267 4.042e-08  
q 2.121109333243624 1.1007e-07 au
tp 2457731.816960036472
(2016-Dec-09.31696004)
7.6255e-05 TDB
node 225.9558473406586 1.9761e-05 deg
peri 38.34731622129529 2.5764e-05 deg
i 15.29221300025936 5.0842e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      8572 days (23.47 yr)  
   first obs. used      1996-11-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:46:16  

Additional Information
 Jupiter MOID = 1.91731 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.633777804202852E-15 -4.419699330236199E-15 -7.236400471332328E-13 1.05646937270988E-15 -9.563908188195257E-14 -1.692807265051911E-15
q -4.419699330236199E-15 1.21153051413918E-14 2.440924829544001E-12 1.965606010160402E-16 3.534660039867417E-13 5.406783566449758E-15
tp -7.236400471332328E-13 2.440924829544001E-12 5.814892609540307E-9 2.716854143338256E-12 1.287319966574743E-9 1.681572786653675E-11
node 1.05646937270988E-15 1.965606010160402E-16 2.716854143338256E-12 3.905085128638165E-10 -3.755956713005005E-10 -3.182673408958313E-11
peri -9.563908188195257E-14 3.534660039867417E-13 1.287319966574743E-9 -3.755956713005005E-10 6.638054120836113E-10 3.446798866857005E-11
i -1.692807265051911E-15 5.406783566449758E-15 1.681572786653675E-11 -3.182673408958313E-11 3.446798866857005E-11 2.584947553441883E-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 15.0   n/a MPO381683  

59492 (1999 JU4)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JU4 = 1996 VF13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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