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233879 (2008 WM91)
Classification: Main-belt Asteroid          SPK-ID: 2233879
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1046820334009178 1.1064e-07  
a 3.016753324137476 3.8352e-08 au
q 2.700953451897787 3.3765e-07 au
i 8.619425903693868 8.4731e-06 deg
node 296.9761501662472 6.2339e-05 deg
peri 58.1321450249445 6.7759e-05 deg
M 185.1429943986269 3.0051e-05 deg
tp 2459930.084048988071
(2022-Dec-16.58404899)
0.00016761 TDB
period 1913.851014917973
5.24
3.6496e-05
9.992e-08
d
yr
n .1881024161201124 3.587e-09 deg/d
Q 3.332553196377165 4.2367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      6822 days (18.68 yr)  
   first obs. used      2001-08-15  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5523  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:14:06  

Additional Information
 Earth MOID = 1.70745 au 
 Jupiter MOID = 2.09502 au 
 T_jup = 3.222 
[ 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 15.8   n/a MPO427345  

233879 (2008 WM91)          Discovered 2008-Nov-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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