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312449 (2008 JA34)
Classification: Main-belt Asteroid          SPK-ID: 2312449
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04319597057422263 4.9346e-08  
a 3.108875650833299 4.0127e-08 au
q 2.974584749700987 1.5363e-07 au
i 9.478868205900095 6.8214e-06 deg
node 182.018823329779 3.4715e-05 deg
peri 313.3928053718989 9.085e-05 deg
M 168.114936861649 8.3906e-05 deg
tp 2458065.509377619298
(2017-Nov-08.00937762)
0.00046585 TDB
period 2002.181545201166
5.48
3.8763e-05
1.061e-07
d
yr
n .1798038748598243 3.4811e-09 deg/d
Q 3.243166551965611 4.186e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      5702 days (15.61 yr)  
   first obs. used      2004-09-09  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55378  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:27:12  

Additional Information
 Earth MOID = 1.99548 au 
 Jupiter MOID = 1.76221 au 
 T_jup = 3.197 
[ 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 15.9   n/a MPO437379  

312449 (2008 JA34)          Discovered 2008-May-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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