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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212499223840032 4.2086e-08  
a 2.606779562149631 1.0436e-08 au
q 2.052840928470776 1.1043e-07 au
i 3.028556610232752 3.2769e-06 deg
node 308.1036019062753 9.3724e-05 deg
peri 297.1044154088927 9.423e-05 deg
M 349.9931020698393 8.6816e-06 deg
tp 2459043.231865931865
(2020-Jul-12.73186593)
3.7001e-05 TDB
period 1537.286763873722
4.21
9.2317e-06
2.528e-08
d
yr
n .2341788197621999 1.4063e-09 deg/d
Q 3.160718195828486 1.2654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      9660 days (26.45 yr)  
   first obs. used      1994-01-05  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55975  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:38:28  

Additional Information
 Earth MOID = 1.04167 au 
 Jupiter MOID = 1.88536 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 15.6   n/a MPO436197  

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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