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JPL Small-Body Database Browser
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379366 (2009 WE212)
Classification: Main-belt Asteroid          SPK-ID: 2379366
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09616832662887459 7.2915e-08  
a 2.592327486471035 2.7954e-08 au
q 2.343027690023079 1.9306e-07 au
i 9.029749743917101 8.0147e-06 deg
node 227.7793365951542 3.3017e-05 deg
peri 151.1222448348668 4.6795e-05 deg
M 227.5485454825272 3.3013e-05 deg
tp 2459561.402602450661
(2021-Dec-12.90260245)
0.00014398 TDB
period 1524.520343078605
4.17
2.4659e-05
6.751e-08
d
yr
n .2361398466307237 3.8195e-09 deg/d
Q 2.841627282918991 3.0642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6776 days (18.55 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54881  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:45:31  

Additional Information
 Earth MOID = 1.35066 au 
 Jupiter MOID = 2.60359 au 
 T_jup = 3.395 
[ 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 16.3   n/a MPO437555  

379366 (2009 WE212)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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