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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128808319320872 4.2053e-08  
a 2.607910210631002 1.0484e-08 au
q 2.05273611538769 1.1045e-07 au
i 3.028558920864191 3.2655e-06 deg
node 308.102389447979 9.3568e-05 deg
peri 297.1080771246865 9.4072e-05 deg
M 36.79960320982578 8.5717e-06 deg
tp 2459043.254576642121
(2020-Jul-12.75457664)		 3.6881e-05 TDB
period 1538.287032228691
4.21		 9.2756e-06
2.54e-08		 d
yr
n .2340265454090367 1.4111e-09 deg/d
Q 3.163084305874315 1.2715e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:46:18  

Additional Information
 Earth MOID = 1.04008 au 
 Jupiter MOID = 1.88201 au 
 T_jup = 3.377 
[ 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 15.71   n/a E2021B10  

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

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