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JPL Small-Body Database Browser
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447287 (2005 WU9)
Classification: Main-belt Asteroid          SPK-ID: 2447287
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1418768147467672 2.2683e-07  
a 3.001690288765076 4.8818e-08 au
q 2.575820031738783 6.882e-07 au
i 1.801520493836346 1.2028e-05 deg
node 60.06522254277198 0.000235 deg
peri 308.532370917693 0.0002409 deg
M 262.5275717276478 3.9728e-05 deg
tp 2459114.811851283014
(2020-Sep-22.31185128)
0.00021128 TDB
period 1899.534768381294
5.20
4.634e-05
1.269e-07
d
yr
n .1895200898622021 4.6234e-09 deg/d
Q 3.427560545791369 5.5744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4093 days (11.21 yr)  
   first obs. used      2005-11-21  
   last obs. used      2017-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60027  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 11:41:00  

Additional Information
 Earth MOID = 1.57466 au 
 Jupiter MOID = 2.0305 au 
 T_jup = 3.236 
[ 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 17.0   n/a MPO361037  

447287 (2005 WU9)          Discovered 2005-Nov-21 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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