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JPL Small-Body Database Browser
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392245 (2009 WU87)
Classification: Main-belt Asteroid          SPK-ID: 2392245
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1932289357282264 1.0259e-07  
a 2.188130273027469 4.1009e-08 au
q 1.765320189135657 2.5137e-07 au
i 3.810034705353917 7.0613e-06 deg
node 19.50019373825352 9.1563e-05 deg
peri 319.531527151405 9.4515e-05 deg
M 32.70637736754789 2.6977e-05 deg
tp 2458493.091628619452
(2019-Jan-09.59162862)
8.6319e-05 TDB
period 1182.246913574832
3.24
3.3236e-05
9.1e-08
d
yr
n .3045049184450361 8.5604e-09 deg/d
Q 2.61094035691928 4.8933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      3709 days (10.15 yr)  
   first obs. used      2006-12-24  
   last obs. used      2017-02-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57186  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:23:34  

Additional Information
 Earth MOID = .757899 au 
 Jupiter MOID = 2.77403 au 
 T_jup = 3.648 
[ 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 17.9   n/a MPO346068  

392245 (2009 WU87)          Discovered 2006-Dec-24 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 WU87 = 2006 YA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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