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JPL Small-Body Database Browser
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379365 (2009 WC211)
Classification: Main-belt Asteroid          SPK-ID: 2379365
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04990101801958297 5.351e-07  
a 2.548184721883185 3.2976e-08 au
q 2.421027710159266 1.3679e-06 au
i 2.389375954098272 7.2896e-06 deg
node 148.3728509888747 0.00020112 deg
peri 219.5898292995322 0.00026994 deg
M 264.7822356292724 0.0002028 deg
tp 2459393.470788015728
(2021-Jun-27.97078802)
0.00083633 TDB
period 1485.746747160064
4.07
2.884e-05
7.896e-08
d
yr
n .2423023982304678 4.7034e-09 deg/d
Q 2.675341733607103 3.4621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      4849 days (13.28 yr)  
   first obs. used      2005-12-27  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:40:52  

Additional Information
 Earth MOID = 1.41961 au 
 Jupiter MOID = 2.53302 au 
 T_jup = 3.439 
[ 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 17.1   n/a MPO471890  

379365 (2009 WC211)          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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