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312927 (2011 WM58)
Classification: Main-belt Asteroid          SPK-ID: 2312927
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04074059877360892 6.0729e-08  
a 2.65536981755122 2.5924e-08 au
q 2.547188461218815 1.6977e-07 au
i 2.214371105473046 6.8677e-06 deg
node 177.9234806200391 0.00014974 deg
peri 155.0433719049394 0.0001734 deg
M 75.98522436996869 8.5212e-05 deg
tp 2458666.910326672810
(2019-Jul-02.41032667)
0.00037602 TDB
period 1580.468879226629
4.33
2.3145e-05
6.337e-08
d
yr
n .22778050534988 3.3357e-09 deg/d
Q 2.763551173883626 2.698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      6221 days (17.03 yr)  
   first obs. used      2002-10-10  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58122  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 08:13:33  

Additional Information
 Earth MOID = 1.53669 au 
 Jupiter MOID = 2.36975 au 
 T_jup = 3.386 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO455307  

312927 (2011 WM58)          Discovered 2005-Apr-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2011 WM58 = 2009 HU76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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