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59539 (1999 JU30)
Classification: Main-belt Asteroid          SPK-ID: 2059539
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2131924899178539 4.1984e-08  
a 2.607150456906697 1.0654e-08 au
q 2.051325559408288 1.1048e-07 au
i 3.027750183957928 3.2652e-06 deg
node 308.0953490499896 9.362e-05 deg
peri 296.9836632256601 9.4124e-05 deg
M 82.7627928535214 8.4963e-06 deg
tp 2459043.007498397937
(2020-Jul-12.50749840)
3.6808e-05 TDB
period 1537.614865196374
4.21
9.4251e-06
2.58e-08
d
yr
n .2341288499145871 1.4351e-09 deg/d
Q 3.162975354405106 1.2925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      9694 days (26.54 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:37:58  

Additional Information
 Earth MOID = 1.04044 au 
 Jupiter MOID = 1.88062 au 
 T_jup = 3.377 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2125676297648612 4.211e-08  
q 2.053894459577192 1.1058e-07 au
tp 2457504.055082757955
(2016-Apr-25.55508276)
4.0361e-05 TDB
node 308.1600048949826 9.3541e-05 deg
peri 296.7301075320693 9.4046e-05 deg
i 3.029039576112122 3.2654e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      9694 days (26.54 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55914  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 11:37:58  

Additional Information
 Jupiter MOID = 1.88062 au 
 T_jup = 3.377 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.773259235181134E-15 -4.644001218123143E-15 -4.556849883746467E-13 -4.296088416882999E-15 -7.152114298954046E-14 -3.194646115914703E-15
q -4.644001218123143E-15 1.222853212535053E-14 1.036341127003643E-12 1.229508037214338E-14 1.456827720598717E-13 8.352504002428074E-15
tp -4.556849883746467E-13 1.036341127003643E-12 1.629027627223447E-9 7.898920572218461E-12 4.222855038921468E-10 1.724076721922719E-12
node -4.296088416882999E-15 1.229508037214338E-14 7.898920572218461E-12 8.749992635014246E-9 -8.735986318190147E-9 -8.587347925705298E-13
peri -7.152114298954046E-14 1.456827720598717E-13 4.222855038921468E-10 -8.735986318190147E-9 8.844583538074158E-9 1.226683295659693E-12
i -3.194646115914703E-15 8.352504002428074E-15 1.724076721922719E-12 -8.587347925705298E-13 1.226683295659693E-12 1.066282493754872E-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 15.71   n/a E2021B10  

59539 (1999 JU30)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JU30 = 1994 AT4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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