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447949 (2008 AU137)
Classification: Main-belt Asteroid          SPK-ID: 2447949
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133427779621552 5.8793e-08  
a 2.622956509864462 2.9096e-08 au
q 2.272981246709352 1.6965e-07 au
i 1.638228148003169 5.3996e-06 deg
node 271.7155936566945 0.00029333 deg
peri 176.1163814024191 0.00029573 deg
M 355.6395101308803 3.9966e-05 deg
tp 2459019.293940284938
(2020-Jun-18.79394028)
0.00017245 TDB
period 1551.618901924795
4.25
2.5818e-05
7.069e-08
d
yr
n .2320157350193513 3.8606e-09 deg/d
Q 2.972931773019572 3.2979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      4863 days (13.31 yr)  
   first obs. used      2006-08-28  
   last obs. used      2019-12-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:45:52  

Additional Information
 Earth MOID = 1.28939 au 
 Jupiter MOID = 2.21578 au 
 T_jup = 3.390 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO503583  

447949 (2008 AU137)          Discovered 2008-Jan-11 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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