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308747 (2006 JA39)
Classification: Main-belt Asteroid          SPK-ID: 2308747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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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 .08546474651239605 4.3565e-08  
a 2.298808942440975 1.2079e-08 au
q 2.102341818894828 9.8644e-08 au
i 10.07046388267318 5.2459e-06 deg
node 225.1781716903175 2.5931e-05 deg
peri 335.468201402951 4.2978e-05 deg
M 43.59763057338398 3.2143e-05 deg
tp 2458846.325293628944
(2019-Dec-28.82529363)
0.00011381 TDB
period 1273.071347309967
3.49
1.0034e-05
2.747e-08
d
yr
n .2827806947039452 2.2287e-09 deg/d
Q 2.495276065987122 1.3111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      248  
   data-arc span      7144 days (19.56 yr)  
   first obs. used      2000-11-25  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52667  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:24:52  

Additional Information
 Earth MOID = 1.10156 au 
 Jupiter MOID = 2.48228 au 
 T_jup = 3.568 
[ 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 17.0   n/a MPO423170  

308747 (2006 JA39)          Discovered 2006-May-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

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