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344447 (2002 JU78)
Classification: Main-belt Asteroid          SPK-ID: 2344447
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1750540464508277 4.7007e-08  
a 2.584841868377846 2.551e-08 au
q 2.132354839882787 1.1601e-07 au
i 3.207105987699821 5.4995e-06 deg
node 229.5480232814054 0.00016086 deg
peri 359.2515980538388 0.00016353 deg
M 114.0573674142069 3.5091e-05 deg
tp 2458519.582878678569
(2019-Feb-05.08287868)
0.00014348 TDB
period 1517.92179322342
4.16
2.2471e-05
6.152e-08
d
yr
n .2371663689178039 3.5109e-09 deg/d
Q 3.037328896872906 2.9975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      5774 days (15.81 yr)  
   first obs. used      2002-04-04  
   last obs. used      2018-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60571  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-06 09:18:11  

Additional Information
 Earth MOID = 1.1223 au 
 Jupiter MOID = 1.95313 au 
 T_jup = 3.399 
[ 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 17.1   n/a MPO434166  

344447 (2002 JU78)          Discovered 2002-May-11 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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