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379367 (2009 WT212)
Classification: Main-belt Asteroid          SPK-ID: 2379367
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05781930738747092 7.0771e-08  
a 2.652443879104786 2.6105e-08 au
q 2.499081411130811 1.9563e-07 au
i 5.146294392558899 6.0323e-06 deg
node 292.2992453832979 7.8379e-05 deg
peri 71.4284687802718 9.2552e-05 deg
M 217.3945105198293 5.0291e-05 deg
tp 2459625.530881428961
(2022-Feb-15.03088143)
0.00022321 TDB
period 1577.857333084739
4.32
2.3293e-05
6.377e-08
d
yr
n .2281575098403819 3.3682e-09 deg/d
Q 2.805806347078761 2.7614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5726 days (15.68 yr)  
   first obs. used      2004-08-23  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66628  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:28:57  

Additional Information
 Earth MOID = 1.50163 au 
 Jupiter MOID = 2.48189 au 
 T_jup = 3.382 
[ 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 17.3   n/a MPO423396  

379367 (2009 WT212)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 WT212 = 2005 YC86 = 2006 AJ87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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