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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1334277128261158 5.8812e-08  
a 2.622956520534359 2.9134e-08 au
q 2.272981431157112 1.6967e-07 au
i 1.638229280676135 5.4053e-06 deg
node 271.715381667737 0.00029363 deg
peri 176.1166047706547 0.00029603 deg
M 355.639489678476 3.9977e-05 deg
tp 2459019.294028550553
(2020-Jun-18.79402855)
0.0001725 TDB
period 1551.618911392516
4.25
2.5852e-05
7.078e-08
d
yr
n .2320157336036298 3.8656e-09 deg/d
Q 2.972931609911606 3.3021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4813 days (13.18 yr)  
   first obs. used      2006-08-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:21:35  

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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