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390729 (2003 JU12)
Classification: Main-belt Asteroid          SPK-ID: 2390729
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133541465188885 6.0108e-08  
a 3.086453613249188 2.175e-08 au
q 2.427945936824269 1.9002e-07 au
i 13.17861289311507 4.9826e-06 deg
node 144.3989581105851 2.9211e-05 deg
peri 48.90189116934301 3.2114e-05 deg
M 65.01022744294684 1.1576e-05 deg
tp 2458642.842577053191
(2019-Jun-08.34257705)
6.3473e-05 TDB
period 1980.56024913693
5.42
2.0935e-05
5.732e-08
d
yr
n .1817667501692399 1.9213e-09 deg/d
Q 3.744961289674108 2.639e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2003-03-03  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:38:50  

Additional Information
 Earth MOID = 1.45217 au 
 Jupiter MOID = 1.33081 au 
 T_jup = 3.151 
[ 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 MPO434440  

390729 (2003 JU12)          Discovered 2003-May-05 by NEAT at Haleakala
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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