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441646 (2008 WO31)
Classification: Main-belt Asteroid          SPK-ID: 2441646
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1456465189041173 5.3082e-08  
a 2.559033731172745 3.1356e-08 au
q 2.18631937646922 1.4767e-07 au
i 1.678037919114896 6.7276e-06 deg
node 308.2709079983839 0.00029172 deg
peri 14.69784969139495 0.00029386 deg
M 26.6842803335054 3.7279e-05 deg
tp 2458889.667932115519
(2020-Feb-10.16793212)
0.0001546 TDB
period 1495.245288227401
4.09
2.7482e-05
7.524e-08
d
yr
n .2407631729953663 4.4252e-09 deg/d
Q 2.93174808587627 3.5923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      8766 days (24.00 yr)  
   first obs. used      1995-08-20  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6209  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:14  

Additional Information
 Earth MOID = 1.17395 au 
 Jupiter MOID = 2.37002 au 
 T_jup = 3.420 
[ 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 MPO437716  

441646 (2008 WO31)          Discovered 2006-Mar-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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